Network Security Engineer At Lightning Ai San Francisco jobs in San Francisco – Browse 12,039 openings on RoboApply Jobs

Network Security Engineer At Lightning Ai San Francisco jobs in San Francisco

Open roles matching “Network Security Engineer At Lightning Ai San Francisco” with location signals for San Francisco. 12,039 active listings on RoboApply Jobs.

12,039 jobs found

1 - 20 of 12,039 Jobs
Apply
companyLightning AI logo
Full-time|$180K/yr - $220K/yr|Hybrid|San Francisco, California, United States

Who We AreAt Lightning AI, we are the driving force behind PyTorch Lightning. Established in 2019, our mission is to create a comprehensive platform that streamlines the development, training, and deployment of AI systems, transforming innovative ideas into production-ready applications with minimal friction.Following our merger with Voltage Park, a leader in neocloud and AI manufacturing, we empower teams with cutting-edge software and cost-effective, scalable computing resources. Our platform is equipped with built-in security, observability, and control, enabling researchers and organizations to experiment, train, and deploy with confidence.We cater to a diverse clientele, including independent researchers, startups, and large enterprises, operating globally from our offices in New York City, San Francisco, Seattle, and London. Our growth is backed by prominent investors such as Coatue, Index Ventures, Bain Capital Ventures, and Firstminute.Our ValuesMove Fast: We act swiftly and decisively, breaking down substantial challenges into manageable tasks.Focus: We prioritize one goal at a time, collaborating to deliver precise features.Balance: We believe that sustained performance stems from proper rest and recovery, ensuring a healthy work-life balance.Craftsmanship: Innovation through excellence is our mantra. Every detail is vital, and we take pride in mastering our craft.Minimal: Simplicity fuels our innovation. We strive to reduce complexity and concentrate on what genuinely matters.

Apr 7, 2026
Apply
companyLightning AI logo
Full-time|$120K/yr - $250K/yr|Hybrid|San Francisco, California, United States

Who We AreLightning AI, the driving force behind PyTorch Lightning, was established in 2019. We have developed a comprehensive platform that streamlines the process of creating, training, and deploying AI systems, transforming innovative ideas from research to production with greater efficiency.Following our merger with Voltage Park, a leading neocloud and AI Factory, we are proud to combine cutting-edge developer-focused software with cost-effective, large-scale computational resources. Our platform provides teams with essential tools for experimentation, training, and production inference, all while ensuring security, observability, and control.Our clients range from independent researchers to startups and large enterprises. Lightning AI has a global footprint, with offices in New York City, San Francisco, Seattle, and London, and is supported by prominent investors including Coatue, Index Ventures, Bain Capital Ventures, and Firstminute.Our ValuesMove Fast: We prioritize speed and precision, breaking down complex challenges into manageable steps.Focus: We tackle one goal at a time, working collaboratively to deliver features with accuracy.Balance: We believe sustained performance is rooted in rest and recovery, promoting a healthy work-life balance to optimize your performance.Craftsmanship: We value excellence and attention to detail, taking pride in honing our skills.Minimal: We embrace simplicity as a driver of innovation, eliminating unnecessary complexity through disciplined focus on what truly matters.What We're Looking ForWe are seeking a talented Backend Engineer to contribute to the development and scaling of the Lightning AI platform, encompassing frontend, CLI, API, billing, security, and integrations.The ideal candidate will take ownership of significant features and lead development efforts from conception to launch while collaborating with a highly skilled team of engineers, product managers, and designers. You will have the opportunity to advance groundbreaking technology that will reshape the machine-learning ecosystem!You will join the Blue Squad and report to our Director of Engineering. This is a hybrid position based in our Bay Area office, requiring in-office attendance two days per week.

Mar 17, 2026
Apply
companyLightning AI logo
Full-time|$120K/yr - $250K/yr|Hybrid|San Francisco, California, United States

Who We AreAt Lightning AI, we are the pioneers behind PyTorch Lightning, established in 2019. We create a comprehensive platform that facilitates the development, training, and deployment of AI systems, streamlining the journey from research to production.Following our merger with Voltage Park, an innovative neocloud and AI Factory, we combine cutting-edge software with scalable and cost-efficient computing resources. Our platform equips teams with the essential tools for experimentation, training, and production inference, all while prioritizing security, observability, and control.We cater to a diverse clientele that includes individual researchers, startups, and sizable enterprises. With a global presence, our offices are located in New York City, San Francisco, Seattle, and London, supported by renowned investors including Coatue, Index Ventures, Bain Capital Ventures, and Firstminute.Our ValuesMove Fast: We embrace speed and precision, breaking down complex challenges into manageable steps.Focus: We achieve our goals one at a time, collaborating effectively to deliver high-quality features.Balance: We believe sustained performance comes from proper rest and recovery, promoting a healthy work-life balance.Craftsmanship: We take pride in our work and strive for excellence in every detail.Minimal: We prioritize simplicity in our innovations, focusing on what truly matters.What We’re Looking ForWe are seeking a talented Frontend Engineer to enhance and scale the user interface and frontend infrastructure of the Lightning AI platform. This individual will take ownership of key features, driving development from inception to deployment while collaborating with a highly skilled team of engineers, product managers, and designers. You will have the opportunity to build from proof of concept to release, with an emphasis on speed, quality, and iterative improvements.With over 10,000 organizations leveraging Lightning, you will play a vital role in shaping how AI is built and deployed globally.This is a hybrid role based in our San Francisco office, requiring in-office attendance for 2 days a week. The salary range for this position is $120,000 to $250,000.

Mar 17, 2026
Apply
companyLightning AI logo
Full-time|$120K/yr - $250K/yr|Hybrid|San Francisco, California, United States

About UsLightning AI is the driving force behind PyTorch Lightning, established in 2019. We are dedicated to creating an all-inclusive platform for developing, training, and deploying AI systems, aimed at facilitating the transition from research to production seamlessly.Our merger with Voltage Park, an innovative neocloud and AI Factory, allows Lightning AI to deliver developer-centric software alongside cost-effective, large-scale computational resources. We provide teams with the essential tools for experimentation, training, and production inference, all while ensuring security, observability, and control are inherently integrated.We cater to individual researchers, startups, and large enterprises alike. With a global footprint, Lightning AI has offices in New York City, San Francisco, Seattle, and London, and is proudly supported by Coatue, Index Ventures, Bain Capital Ventures, and Firstminute.Our Core ValuesAct Swiftly: We prioritize speed and clarity, breaking down complex challenges into manageable steps.Concentration: We focus on one objective at a time, working collaboratively as a team to deliver features with precision.Equilibrium: We believe that sustained performance is achieved through rest and recovery, promoting a healthy work-life balance.Excellence: We innovate through mastery. Every detail matters, and we take pride in our craftsmanship.Simplicity: We drive our innovation through simplicity, eliminating unnecessary complexities and concentrating on what is truly essential.Position OverviewWe are seeking a Fullstack Engineer to enhance and scale the Lightning AI platform, covering everything from the frontend and CLI, to API, billing, security, and integrations.The ideal candidate will take ownership of key features and oversee development from conception to completion while collaborating with a highly skilled team of engineers, product managers, and designers. Here, you will transition from proof of concept to deployment, emphasizing speed, quality, and iterative improvement.This is your chance to create revolutionary technology that will reshape the machine learning landscape! This hybrid role is based in our San Francisco office, requiring in-office attendance 2 days per week. The salary range for this position is $120,000 to $250,000.

Mar 17, 2026
Apply
companyLightning AI logo
Full-time|$180K/yr - $220K/yr|Hybrid|San Francisco, California, United States

Who We AreLightning AI is the innovative force behind PyTorch Lightning, established in 2019. We provide a comprehensive platform designed to simplify the development, training, and deployment of AI systems, facilitating a smoother transition from research to production.Our recent merger with Voltage Park, a leader in neocloud and AI technology, allows us to offer cutting-edge software combined with efficient large-scale computing solutions. We empower teams with the necessary tools for experimentation, training, and production inference, all while ensuring robust security, observability, and control.Serving researchers, startups, and large enterprises alike, Lightning AI is a global entity with offices in New York City, San Francisco, Seattle, and London. We are proudly backed by prominent investors such as Coatue, Index Ventures, Bain Capital Ventures, and Firstminute.What We're Looking ForAs we grow, we seek a sharp, proactive, and business-savvy lawyer to join our dynamic legal team. You will play a pivotal role in managing our commercial contracting processes, collaborating across Finance, Engineering, Sales, and Security to ensure our legal strategies keep pace with our rapid innovation.This position is perfect for a high-achieving lawyer with a solid understanding of transactional principles who is eager to advance their career. While your primary responsibility will be overseeing the commercial contract lifecycle, you will also engage with broader legal challenges that arise within a fast-growing AI company.As a member of the Legal Team, you will report to our VP of Legal. This position offers a hybrid work environment, allowing for flexibility while fostering collaboration.

Feb 18, 2026
Apply
company
Full-time|$100K/yr - $300K/yr|On-site|San Francisco, CA

About Cogent SecurityCogent Security is at the forefront of innovation in cybersecurity, operating as an Applied AI Lab dedicated to developing next-generation AI agents. In an era where cyber threats evolve rapidly, our "AI Taskforce" analyzes vast amounts of enterprise data to proactively address vulnerabilities and prevent significant breaches.Blending cutting-edge research with practical implementation, our team works diligently to transform theoretical concepts into actionable security solutions. Our applied AI lab, Cogent Research, provides essential research capabilities that enable the realization of autonomous security workflows.Since our emergence from stealth mode, Cogent has seen impressive growth, collaborating with Fortune 500 companies to enhance security in some of the world’s most complex environments.Supported by Greylock, we have assembled a team of top-tier talent from influential universities and leading companies in the tech and cybersecurity sectors.

Nov 12, 2024
Apply
company
Full-time|$100K/yr - $300K/yr|On-site|San Francisco, CA

About Cogent SecurityCogent Security is pioneering the future of cybersecurity through Applied AI, creating advanced AI agents designed to combat rapidly evolving cyber threats. Our AI Taskforce analyzes vast datasets to neutralize potential breaches before they impact our clients.Our commitment to innovation combines cutting-edge research with practical application, ensuring our solutions are at the forefront of technology. In addition to our product development, Cogent Research acts as our applied AI laboratory, supplying the expertise required to create highly effective security workflows.Since our launch from stealth mode, Cogent has seen remarkable growth, collaborating with Fortune 500 companies to secure some of the most intricate production environments globally.Backed by Greylock, our team consists of exceptional talents from leading universities such as Stanford, Berkeley, and Carnegie Mellon, as well as high-growth companies like Scale AI and Tesla, and cybersecurity experts from stalwarts like Wiz and DeepMind.

Nov 12, 2024
Apply
companyPerplexity logo
Full-time|On-site|San Francisco

At Perplexity, we are on the lookout for a talented and experienced AI Security Engineer to bolster our security team. This pivotal role involves safeguarding cutting-edge AI systems from adversarial threats. You will be responsible for creating and implementing strong security measures for self-hosted models, LLM APIs, agents, MCPs, and the essential AI infrastructure. Your expertise will empower our developers with the necessary tools and guidance, enabling them to innovate while ensuring that AI security remains a top priority.Our technology stack is comprised of Python, NextJS, TypeScript, Docker, AWS, Kubernetes, and PostgreSQL.

Jul 30, 2025
Apply
company
Full-time|$100K/yr - $300K/yr|On-site|San Francisco, CA

About Cogent SecurityCogent Security is an innovative Applied AI Lab pioneering the future of AI agents in the realm of cybersecurity. In a world where cyber threats evolve at unprecedented speeds, our 'AI Taskforce' analyzes vast amounts of enterprise data to proactively address vulnerabilities and avert critical breaches.We remain at the forefront of technology by merging cutting-edge research with practical applications. Our dedicated Cogent Research team fuels our mission, ensuring we develop truly effective security workflows powered by AI.Since our inception, Cogent has rapidly grown, collaborating with Fortune 500 companies to safeguard the most intricate production environments globally.Supported by Greylock, our team comprises some of the brightest minds in applied AI, including experts from:Renowned universities such as Stanford, Berkeley, Penn, Duke, Carnegie Mellon, and Waterloo.High-growth unicorn companies like Scale AI, Databricks, Stripe, Tesla, and Coinbase.Leading cybersecurity specialists from Wiz, Abnormal AI, and Zscaler.Prestigious research institutions including DeepMind and SAIL.About the RoleAs we embark on building a suite of backend services and integrations with our design partners, we seek passionate and skilled Backend Engineers at both Senior and Staff levels, eager to thrive in the Applied AI domain.ResponsibilitiesDesign and implement critical backend subsystems and integration platformsComprehend business objectives and customer requirements to engineer backend subsystems that align with our technology strategies.Adapt systems to meet evolving needs of design partners and clients.Incorporate non-functional requirements such as compliance and security into system design.Establish scalable infrastructure foundationsPrepare for future growth in customer base, headcount, and data management by collaborating with your team to enhance infrastructure.

Nov 12, 2024
Apply
company
Full-time|$100K/yr - $300K/yr|On-site|San Francisco, CA

About Cogent SecurityCogent Security is at the forefront of cybersecurity innovation, leveraging Applied AI to develop next-generation AI agents. In an era where cyber attacks evolve rapidly, our AI Taskforce analyzes vast amounts of enterprise data to proactively address vulnerabilities and prevent critical breaches.We combine pioneering research with practical execution, ensuring that our innovative solutions meet real-world challenges. Our Cogent Research division acts as our dedicated AI lab, driving the development of advanced security workflows.Since our emergence from stealth mode, we have rapidly grown, collaborating with Fortune 500 companies to secure complex production environments globally.Supported by Greylock, we have gathered a team of top talent from renowned institutions and leading organizations in the AI and cybersecurity sectors.About the RoleAs an Agent Engineer at Cogent Security, you will be pivotal in designing, building, and deploying critical AI agents tailored for complex client environments. Your role is highly cross-functional, involving direct collaboration with customers to understand their unique needs, adapting our platform accordingly, and iterating on scalable solutions to handle millions of real-world security events.You will manage projects from inception to deployment, including data onboarding and integrating feedback into our core agent platform. Your contributions will shape how AI agents detect threats, triage incidents, and automate security workflows for some of the most sophisticated organizations worldwide.This position is ideal for engineers who excel in dynamic environments, enjoy tackling complex technical challenges, and wish to see the tangible impact of their work.

Aug 19, 2025
Apply
companyOpenAI logo
Full-time|On-site|San Francisco

About Our TeamAt OpenAI, our Platform and Infrastructure Engineering team is dedicated to driving the mission of creating artificial general intelligence (AGI) that benefits all. We deliver secure, scalable, and resilient technological solutions, building and maintaining a robust infrastructure that protects OpenAI's data and systems. Our focus on security, reliability, and user-centric solutions empowers our employees to excel in AI research, corporate operations, and product innovation.About the PositionAs a Network Security Engineer at OpenAI, you will be pivotal in designing and maintaining both campus and cloud network infrastructure. Your role involves crafting secure, scalable, and high-performance network solutions that connect on-premises environments with public cloud resources. With your expertise in routing and switching, you will ensure optimal network performance and reliability across a variety of settings. You will champion automation initiatives utilizing Infrastructure-as-Code (IaC) and GitOps methodologies, enhancing network provisioning, configuration consistency, and overall IT workflows. Additionally, you will develop CI/CD pipelines tailored for IT infrastructure to improve deployment efficiency and integrate robust network security practices. Comprehensive observability and proactive issue resolution strategies will also be part of your responsibilities.We are looking for passionate individuals who thrive in network automation, security, and scalable IT solutions to support campus and cloud network operations. You should have extensive experience with enterprise network technologies and a strong foundation in network security principles. In this role, collaboration with Security, IT, and Engineering teams will be essential to align automation workflows with Zero Trust principles, enforce role-based access controls, and implement security best practices throughout our network infrastructure. If you excel in cross-functional environments and have a proven track record of delivering innovative and secure network solutions, this position presents a unique opportunity to shape OpenAI's security-centric, automation-driven network ecosystem.Your Responsibilities:Design, build, implement, and maintain secure, scalable, and high-performing network infrastructure, automation workflows, and network security solutions.Lead critical network and IT automation initiatives through software development and internal tooling to optimize our network operations.

Feb 3, 2026
Apply
companyNetwork Right logo
Full-time|On-site|San Francisco Office

Join Our Mission:At Network Right, we are dedicated to revolutionizing the IT landscape by crafting tailored solutions that resonate with our clients' unique needs. Our mission is to humanize technology, bridging the gap between IT services and the everyday experiences of individuals within businesses. We strive to enhance employee productivity and satisfaction through innovative technological solutions.Your Role:As a Network Engineer, you will be the go-to expert for all networking-related services within our organization. Your responsibilities will include designing, implementing, and maintaining robust network environments for our clients. From configuring firewalls to optimizing multi-site deployments, you will ensure that our clients’ networks are secure, scalable, and efficient.You will also act as the primary escalation point for complex network challenges, collaborating closely on new deployments and system upgrades. This position combines hands-on technical execution with strategic oversight, allowing you to shape the network standards of our organization while fostering strong relationships with both clients and internal teams.Key Responsibilities:Serve as the subject matter expert in networking for Service Delivery and Professional Services.Design, configure, and support client network environments, overseeing new implementations and system enhancements.Monitor network performance and ensure standardization across all subscription clients.Lead root cause analysis for intricate network issues as the highest escalation point.Collaborate on project scoping, execution, and documentation for network-centric initiatives.Propose and implement enhancements to improve network reliability, scalability, and security.

Feb 24, 2026
Apply
company
Full-time|On-site|San Francisco

Join a pioneering team of former Google engineers who have developed ground-breaking defensive technologies, such as Safe Browsing and reCAPTCHA. We are on a mission to confront an urgent challenge: combating the rising tide of adversarial AI attacks that threaten organizations globally.Operating in stealth mode, we are targeting a lucrative $5B+ market that is primed for innovation. Conventional detection methodologies are proving inadequate against the speed and sophistication of AI-driven assaults. Current adversaries are leveraging AI to engineer tailored, high-evasion attacks, leaving traditional systems vulnerable.Your Role:You will design a network of AI agents that are rapid, cost-effective, and precise, collaborating to identify and neutralize emerging threats. Your work will dive deep into real-time threat data, continuously evolving your agents in a fast-paced environment. These agents will function under an orchestration layer that fosters quick adaptation and learning.The Excitement of the ChallengeRapidly Evolving Models: The landscape changes daily; solutions that worked yesterday may be outdated today.Intelligent Adversaries: We are engaged in a real-time arms race against cunning, AI-enhanced attackers crafting sophisticated payloads.No Existing Playbook: We are forging new detection paradigms as swiftly as threats evolve. This high-stakes work places you in the heart of the action from day one.If you thrive on solving challenging problems with rapid feedback, this is your opportunity.Why We Are Positioned to SucceedExpansive Market: The market is vast at $5B and expanding quickly, while established players struggle to adapt.Proven Track Record: Our team has previously developed the foundational technology for Safe Browsing (serving over 5B users) and reCAPTCHA (protecting more than 5M websites) during our time at Google.Experienced Team: This is our third endeavor in creating a category-defining security enterprise, and we know how to scale our technology and our organization effectively.Deeply Integrated AI and Security: We embed AI from the outset rather than layering it on top.Top Talent: We hire only the highest achievers; many on our team were in the top 1% of engineers at Google. If you excelled in your previous role, you will fit right in.Agility: We prioritize speed and efficiency in everything we do.

Sep 10, 2025
Apply
companyMercor logo
Full-time|On-site|San Francisco

Join Our Team at MercorAt Mercor, we sit at the cutting edge of labor markets and AI innovation. Collaborating with top AI laboratories and enterprises, we provide the vital human intelligence necessary for the advancement of AI development.Our extensive talent network trains advanced AI models, sharing insights and experiences that transcend mere coding. Daily, over 30,000 experts in our community collectively generate more than $2 million.Mercor is pioneering a new realm of work wherein expertise fuels AI progress. This ambition calls for a dynamic, fast-paced, and dedicated team. You will collaborate with researchers, operational teams, and AI firms at the forefront of redefining our societal systems.As a profitable Series C enterprise valued at $10 billion, we operate in-person five days a week from our newly established headquarters in San Francisco.About the RoleIn your capacity as a Security Engineer at Mercor, you will be entrusted with the crucial task of protecting our systems, infrastructure, and sensitive data. You will design and execute defense mechanisms, monitor for potential threats, and ensure that security is seamlessly integrated throughout the entire development and deployment lifecycle. This position is perfect for an individual who thrives in fast-paced settings, anticipates risks proactively, and enjoys constructing effective, scalable security systems without hindering innovation.Your ResponsibilitiesDesign and implement robust security controls across our infrastructure, applications, and networks.Continuously monitor for vulnerabilities, threats, and any suspicious activities.Conduct penetration tests, vulnerability assessments, and manage incident responses.Integrate security practices into CI/CD pipelines and development workflows.Ensure compliance with standards such as SOC 2, ISO 27001, and GDPR.Collaborate with engineers to ensure security is prioritized in system design.Research emerging threats and implement proactive countermeasures.Ideal CandidateProfound understanding of security principles, tools, and industry best practices.Experience with SIEMs, IDS/IPS, firewalls, and vulnerability scanning.Familiarity with cloud security environments (AWS, GCP, or Azure).Solid foundation in encryption and secure coding practices.

Sep 23, 2025
Apply
company
Full-time|On-site|San Francisco

Role OverviewAt Variance, we are at the forefront of teaching machines to execute high-stakes judgment calls on a large scale. This involves developing AI agents that navigate the complex domains of risk investigations, fraud detection, and identity verifications.Our San Francisco-based team is small yet exceptionally talented, comprising former founders and specialists from leading AI laboratories. We cater to an impressive clientele, including Fortune 500 companies, global marketplaces, and regulated financial institutions. If you are passionate about taking ownership, working swiftly, and collaborating closely with founders, you will thrive in our environment.We are seeking a Security Engineer to help establish a robust security foundation. You will collaborate across product, infrastructure, and internal systems to ensure that Variance is secure by design, enabling us to meet the rigorous standards needed to deploy AI in critical workflows for the world’s largest corporations.

Mar 30, 2026
Apply
companylambda logo
Full-time|On-site|San Francisco Office (Fremont St)

lambda is seeking a Network Engineer to join the team in the San Francisco office on Fremont St. This role centers on designing, implementing, and maintaining the company’s network infrastructure. Collaboration with teams across the organization is a key part of the work, with a focus on optimizing network performance and maintaining security standards. Role overview The Network Engineer will take an active role in shaping and supporting the network systems that power lambda’s services. The position involves hands-on work with infrastructure, as well as regular interaction with colleagues from different departments to address technical needs and challenges. What you will do Design and implement network solutions that meet company requirements Maintain and monitor network infrastructure for reliability and security Work with cross-functional teams to ensure optimal system performance Work environment This is an onsite position based in San Francisco. The team values innovation and encourages forward-thinking approaches to technology and problem solving. The environment is active and collaborative, supporting lambda’s mission to deliver high-quality services to clients.

Apr 28, 2026
Apply
companySazabi logo
Full-time|On-site|San Francisco

Join Our Innovative TeamAs we approach the year 2026, we face what is being called the "infinite software crisis." At Sazabi, we are dedicated to solving this issue with our cutting-edge AI-native observability platform designed specifically for agile engineering teams.Our platform empowers teams to effortlessly inquire about their production systems using natural language, visualize real-time data, and swiftly identify root causes—10 times faster than traditional methods. No cumbersome instrumentation, no dashboard setups, and no alert configurations required—just straightforward solutions.We are proud to have the support of industry leaders from premier AI companies such as Vercel, Graphite, Daytona, Browserbase, LangChain, Mastra, Replit, and others.

Mar 23, 2026
Apply
company
Full-time|$214K/yr - $310K/yr|Hybrid|Hub - San Francisco

This Security Engineer role at Superhuman Platform Inc. is based in San Francisco and follows a hybrid work model. The schedule blends focused individual work with regular in-person collaboration, supporting strong team relationships and encouraging innovation. Role overview Superhuman seeks a Security Engineer to help protect the trust of millions of users. The position centers on collaborating with partners to identify and deliver projects that strengthen security and reduce risk across Superhuman’s products, platform, and IT systems. As Superhuman’s suite of AI productivity tools grows, the technical landscape becomes more complex, offering opportunities to solve new challenges and influence the product roadmap. Insights into the engineering team can be found on the technical blog. What you will do Design and implement secure-by-default architectures to make it easier for developers to build securely across Superhuman’s ecosystem. Lead the adoption of AI and automation in security, including automated threat detection and AI-assisted code reviews and vulnerability analysis. Translate security requirements into actionable roadmaps that align with business objectives, supporting both technical and non-technical teams. Balance security best practices with product innovation, ensuring risk is addressed throughout the development process. Learn more about Superhuman’s mission and values at superhuman.com and review the company’s values here.

Apr 21, 2026
Apply
companyThinking Machines Lab logo
Full-time|$350K/yr - $475K/yr|On-site|San Francisco

At Thinking Machines Lab, our mission is to enhance human capabilities through the development of collaborative general intelligence. We are dedicated to creating a future where everyone can utilize AI tailored to their specific needs and aspirations.Our team consists of accomplished scientists, engineers, and innovators responsible for some of the most popular AI applications, including ChatGPT and Character.ai, along with renowned open-weight models like Mistral and influential open-source projects such as PyTorch, OpenAI Gym, Fairseq, and Segment Anything.About the RoleWe are on the lookout for a passionate Software Engineer with a focus on security to ensure our products are secure by design while facilitating rapid and ambitious product development. You will collaborate closely with product and research teams to integrate security measures into the design and development processes, and create tools and automation to maintain system safety at scale.Note: This is an ongoing opportunity, and we encourage you to express your interest. While we receive numerous applications and there may not always be an immediate match for your skills, we encourage you to apply. We consistently review applications and will reach out as new roles become available. You may reapply if you gain additional experience, but please limit applications to once every six months. We also post specific roles for particular projects or teams, and you are welcome to apply for those as well.What You’ll DoCollaborate with product and research teams to integrate security into the development lifecycle: threat modeling, design reviews, and establishing secure defaults for new features.Design and implement security controls throughout our product stack (authentication, authorization, session management, input validation, etc.).Create and maintain security tooling and automation for engineers: secure frameworks and templates, CI/CD checks, dependency management, and vulnerability detection.Work alongside researchers to identify and address AI-specific product risks, such as model abuse, prompt injection, data leakage, or misuse of capabilities.Enhance observability and detection for security-related events: access anomalies, abuse patterns, and suspicious behavior in production.

Nov 27, 2025
Apply
companyPerplexity logo
Full-time|On-site|San Francisco

About the RoleJoin Perplexity as a dynamic Software Engineer specializing in security, where you will play a pivotal role in developing and enhancing the software, automation, and systems that drive our security operations. This position focuses on engineering innovative security tools and AI-driven agents aimed at improving our detection and response capabilities, vulnerability management, and overall security posture across our products and infrastructure.ResponsibilitiesDesign, build, and maintain software and automation solutions that enhance our detection and response capabilities, including alert enrichment, triage workflows, and investigation tools.Implement and refine internal AI agents and security bots that facilitate monitoring, investigations, reporting, and other security operations tasks.Develop and manage systems and workflows that support our bug bounty and vulnerability disclosure program, covering intake, triage, prioritization, and remediation tracking.Collaborate with product and engineering teams to perform threat modeling on new features and systems, propose mitigations, and integrate security guardrails into designs and implementations.Contribute to secure-by-default libraries, services, and patterns that empower teams to build secure features effortlessly.Integrate security signals from cloud services, endpoints, SaaS, and applications into unified pipelines and data models that bolster detection and analysis.Automate processes to minimize manual effort in incident response, containment, and remediation.Work closely with security engineers and fellow software engineers to review designs and code, continuously enhancing our security tools and platforms.QualificationsA minimum of 4 years of experience as a software engineer, particularly in developing security-related tools, platforms, or automation, or in a security engineering role with a strong emphasis on software development.Proficiency in at least one major programming language (e.g., Python, Go, or TypeScript) with experience in building production services, command-line interfaces, or internal tools.Experience with integration of security-relevant systems such as logging pipelines, SIEMs, EDR, cloud APIs, or identity platforms.Hands-on experience in threat modeling, secure design, or conducting application security reviews for services or features.Experience in operating or contributing to bug bounty or vulnerability management programs is a plus.

Dec 2, 2025

Sign in to browse more jobs

Create account — see all 12,039 results

Tailoring 0 resumes

We'll move completed jobs to Ready to Apply automatically.