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Qualifications
The ideal candidate will possess a strong background in software development, with proficiency in programming languages such as Python, Java, or C++. A solid understanding of security best practices, along with experience in network security, encryption, and threat modeling is essential. Excellent problem-solving abilities, attention to detail, and strong communication skills are important attributes for success in this role.
About the job
Siftstack seeks a Software Engineer specializing in Security Infrastructure to join the team in Marina Del Rey, CA. The main focus is on strengthening security systems and developing software that protects core infrastructure.
Key responsibilities
Maintain and improve security protocols throughout company systems
Design and build software solutions that address specific security challenges
Partner with teams from various disciplines to safeguard the organization against threats
Collaboration
This position requires regular collaboration with colleagues in engineering, operations, and other departments to keep security measures current and effective.
About Siftstack
Siftstack is an innovative technology company focused on providing cutting-edge solutions in security infrastructure. Our mission is to safeguard digital assets and empower businesses to operate securely in a rapidly changing environment. We prioritize a collaborative culture where creativity and technical excellence can thrive.
Full-time|$165.3K/yr - $237.8K/yr|On-site|Mountain View, California
P-1137 Summary At Databricks, we are dedicated to empowering data teams to tackle the world's most challenging issues, from detecting security threats to advancing cancer treatments. We achieve this by developing and operating the premier data and AI infrastructure platform, enabling our clients to concentrate on the high-impact challenges central to their m…
Join Palantir Technologies as a Product Infrastructure Security Engineer in New York. In this role, you will play a critical part in securing our infrastructure, ensuring that our products and services maintain the highest standards of security and reliability. You will work with top-tier engineering teams to identify vulnerabilities, implement robust security measures, and contribute to the overall security architecture of our systems.
Full-time|$160K/yr - $225K/yr|Hybrid|San Francisco, CA (Hybrid)
About Fable SecurityIn today’s digital landscape, AI-driven threats and human errors represent the most significant risks to enterprise security. Cybercriminals exploit human behavior, contributing to 70% of security breaches. At Fable, we empower individuals to transform from potential targets to active defenders with innovative tools.Fable is at the forefront of human risk management, offering a platform that effectively influences employee behavior. Our user-friendly, scalable solution analyzes complex employee data, identifies high-risk behaviors, and delivers timely interventions directly to users in their work environment.Supported by notable investors like Redpoint Ventures and Greylock Partners, and founded by former members of the Abnormal Security team, Fable is tackling one of cybersecurity's greatest challenges in a rapidly expanding market. Our team comprises alumni from esteemed organizations such as Meta, Twitter, and Flexport, as well as top universities including Waterloo, Columbia, and Stanford. This is an exceptional opportunity for you to join us at a time of rapid growth and help shape the future of security.Why Join UsBuild and scale the foundational data infrastructure that drives a groundbreaking product.Collaborate closely with engineering, data science, and product teams to operationalize data at scale.Become part of a small, high-caliber team where your contributions will have a significant impact.As part of an early-stage company, every engineer plays a crucial role in shaping the evolution of our products and the company's approach to data management.Your RoleAs a Platform and Infrastructure Engineer, you will be instrumental in developing and scaling the core systems that underpin Fable’s product and data operations.Your responsibilities will span backend systems including real-time services and data pipelines. You will ensure reliability, scalability, and optimal performance across all layers. This highly collaborative role involves working closely with data and ML teams, contributing to systems that effectively manage data ingestion, processing, and delivery.This role demands cross-functional collaboration with engineering, data, and product teams to create robust, production-grade systems that grow alongside the company.ResponsibilitiesDesign, develop, and maintain scalable backend and infrastructure systems.Collaborate with cross-functional teams to deliver high-quality software solutions.Ensure system reliability, performance, and security through rigorous testing and monitoring.
Full-time|$175.5K/yr - $215K/yr|On-site|New York, New York, United States
CLEAR builds secure identity technology for both digital and physical spaces. With more than 38 million members and a growing global partner network, CLEAR’s platform helps people move through airports, stadiums, workplaces, and daily routines with greater safety and ease. Role Overview The Senior Security Engineer on the Infrastructure Security Engineering (ISE) team protects CLEAR’s core platforms. This position focuses on cloud security, identity management, and endpoint controls. The work centers on AWS and Kubernetes environments, using infrastructure-as-code to scale and automate security practices. What You Will Do Strengthen security across AWS and Kubernetes infrastructure Develop and implement security controls using infrastructure-as-code Work closely with Engineering, CorpIT, and Security teams to make security a default part of CLEAR’s systems Location This role is based in New York, New York, United States.
Join our innovative team at Xai as an Infrastructure Security Engineer. In this role, you will be instrumental in safeguarding our infrastructure, ensuring that our systems are secure against evolving threats. You will collaborate with cross-functional teams to implement security measures and best practices.
About TraversalTraversal stands at the forefront of AI Site Reliability Engineering (SRE), trusted by leading enterprises globally to troubleshoot, remediate, and preemptively manage complex production incidents. Our mission is to liberate engineers from continuous firefighting, allowing them to channel their talents into innovative, impactful work.With deep roots in AI research, we are committed to establishing the premier AI agent lab for enterprises. Our greatest asset is our team, comprised of exceptionally skilled and kind individuals, including researchers from prestigious institutions such as MIT, Harvard, and Berkeley, alongside world-class engineers from industry leaders like Citadel Securities, Cockroach Labs, Datadog, and more. Together, we tackle one of AI's most challenging problems.The RoleAs an Infrastructure & Application Security Engineer at Traversal, you will be instrumental in constructing our security program from the ground up. This hands-on role is ideal for someone passionate about security, enthusiastic about Kubernetes, and eager to build—transforming risk into automated, measurable, and low-friction guardrails that engineers can leverage daily. You will work at the intersection of Kubernetes security, service-to-service security (including Istio Ambient), and application security for Python APIs within a multi-tenant SaaS environment, collaborating closely across engineering teams with a focus on deploying mechanisms rather than creating presentations.
Role Overview SonarSource is hiring an Infrastructure Security Engineer in Austin, Texas. This role focuses on protecting the company’s software development tools and infrastructure. The position involves working closely with teams across the organization to strengthen security practices and respond to incidents. What You Will Do Design and implement security controls for infrastructure and internal systems Work with colleagues in different departments to improve overall security Identify vulnerabilities and recommend solutions Respond to and investigate security incidents What We Look For Experience in infrastructure security or a related field Ability to assess risks and propose practical safeguards Strong communication skills for cross-team collaboration Problem-solving mindset and attention to detail
Join Armada as a Senior Security Engineer specializing in Infrastructure. In this role, you will play a crucial part in safeguarding our systems and ensuring robust security protocols are in place across our infrastructure. Your expertise will guide our security strategies, working collaboratively with cross-functional teams to enhance our security posture and protect sensitive data.
About the Role mercor is hiring a Cloud Infrastructure Security Engineer in San Francisco or New York City. This role focuses on protecting cloud-based systems and data across the company. The engineer will design, implement, and monitor security controls to defend cloud infrastructure against threats. What You Will Do Develop and maintain security measures for cloud environments Monitor cloud infrastructure for vulnerabilities and incidents Respond to security threats and support incident investigations Work to ensure compliance with industry security standards Contribute expertise to strengthen overall security posture Location This position is based in San Francisco or New York City.
Full-time|$218K/yr - $256.5K/yr|Remote|Remote - USA
Are you ready to push the boundaries of your capabilities?At Coinbase, we are committed to enhancing economic freedom around the globe. This ambitious mission requires our utmost dedication as we construct an innovative onchain platform that will redefine the global financial landscape.We are in search of a unique individual who is deeply passionate about our mission and recognizes the transformative potential of cryptocurrency and blockchain technology in modernizing the financial system. We want someone who is eager to leave a lasting impact, thrives under pressure, and seeks continuous feedback for personal and professional growth. This role calls for a problem-solver who embraces challenges head-on.Our work culture is dynamic and may not suit everyone. However, if you aspire to build the future alongside top-tier colleagues who demand excellence, there’s no better environment for you.While many positions at Coinbase are remote-first, we are not entirely remote. In-person engagement is required periodically throughout the year, as we hold team and company-wide offsites multiple times annually to nurture collaboration, connection, and alignment. Your participation is expected and fully supported.As a member of Coinbase's Infrastructure Security (InfraSec) team, you will play a pivotal role in safeguarding the core of our infrastructure and platform services. This position collaborates closely with engineering teams to design, implement, and automate advanced security solutions across intricate cloud and containerized environments. Utilizing your extensive knowledge of technologies like Kubernetes and AWS, you will act as a trusted consultant to cross-functional teams and senior leadership, influencing strategic decisions that harmonize security, scalability, and business functionality.
Join antithesis as an Infrastructure Security Engineer, where you'll play a critical role in safeguarding our infrastructure against emerging cybersecurity threats. You will collaborate with cross-functional teams to design and implement robust security measures, ensuring the integrity and confidentiality of our systems.
Role Overview Stripe is looking for a Software Engineer to work on Security Analytics Infrastructure. This role centers on building and maintaining the analytics platform that supports Stripe’s security efforts and helps keep data safe. The work directly strengthens Stripe’s ability to detect, understand, and respond to security threats. What You’ll Do Develop and support analytics infrastructure used for security monitoring and investigation Work with colleagues across engineering, security, and data teams to design solutions that protect users and systems Help ensure the integrity and reliability of data within security analytics workflows
About Tailscale Tailscale is revolutionizing the way we connect on the Internet by providing software solutions that allow secure interconnections among individuals and their devices, irrespective of their location. From individual hobbyists to large multinational corporations, teams of all sizes rely on Tailscale daily to safeguard their networks and facilitate access to internal tools. We envision a future for the Internet that is secure, easy to use, and sensible, reminiscent of its earlier days. Established in 2019 and operating with a fully distributed team, we are supported by esteemed investors including Accel, CRV, Insight, Heavybit, and Uncork Capital.Job DescriptionWe are in search of a skilled Security Infrastructure Engineer to enhance our product security team. The ideal candidate will possess the ability to advance Tailscale's mission while ensuring a safer usage experience. Key skills include adaptability, collaboration with highly technical teams, and comfort with asynchronous work environments.Key ResponsibilitiesArchitect and implement security controls across various layers including cloud platforms, operating systems, Kubernetes, networks, and CI/CD pipelines to protect against advanced threats and insider risks.Enhance Tailscale’s security framework by identifying and executing opportunities for security and privacy improvements, bug fixes, and layered defense strategies throughout our codebase.Conduct audits of Tailscale’s infrastructure to uncover technical security vulnerabilities and develop mitigation strategies to address them.Provide support for engineering decisions through threat modeling and security expertise.Allocate 25-50% of your time to software development tasks in this role, alongside operational and governance security duties.
Join Prophet Security as a Software Engineering Manager for our Platform Team!At Prophet Security, we are revolutionizing the security operations landscape with our AI-powered platform that enhances detection, investigation, and response capabilities. Our mission is to empower security teams to operate without the limitations of overwhelming alert volumes or disjointed tools. As part of our growing team, you will collaborate with industry veterans from leading companies like Abnormal Security, Expel, Mandiant, and McAfee to shape our innovative solutions and enhance customer success.Your Role and ImpactThe Platform Team is critical to ensuring our security operations platform functions reliably and efficiently at scale. You will be responsible for:Integrations: Developing and maintaining effective connectors for seamless and dependable ingestion of security data from various sources, including SIEM, EDR, cloud platforms, and SaaS applications.Observability & Monitoring: Implementing comprehensive telemetry, logging, and alerting systems to achieve over 99.9% uptime and facilitate swift incident responses.Developer Productivity: Creating CI/CD pipelines, testing frameworks, and development tools to enhance the overall efficiency of our engineering organization.Deployment Infrastructure: Designing and managing secure deployment systems that ensure compliance across diverse customer environments.As the Engineering Manager for the Platform Team, you will define and oversee the technical roadmap, balancing immediate customer needs with a vision for architectural excellence. Your contributions will significantly influence every customer interaction with Prophet Security, enabling our engineering team to work more effectively and scalable.Your ResponsibilitiesThis role is a hands-on engineering management position, where you will dedicate 25% of your time to direct technical contributions while leading your team.Build and nurture a high-performing team of Platform engineers, focusing on hiring top talent that aligns with our culture.Maintain technical credibility by staying engaged with our codebase, ready to troubleshoot issues, enhance monitoring, or deploy new features as necessary.Provide mentorship and guidance through regular one-on-one meetings, establishing clear pathways for career development and growth opportunities for each team member.Continuously evaluate and refine team processes to drive efficiency and innovation.
As a Product Infrastructure Security Engineer at Palantir, you will play a pivotal role in enhancing our security infrastructure. You will work alongside talented engineers to design, build, and maintain secure systems that protect our clients' sensitive data. Your expertise will help us innovate and implement security best practices while ensuring compliance with industry standards.
At Render, we are at the forefront of developing a cutting-edge cloud platform tailored for developers who are creating AI-native, full-stack, multi-service applications. Our mission is to bridge the gap between the robust capabilities of hyperscalers and the user-friendly simplicity of developer-centric platforms, enabling teams to deliver products quickly, scale effectively, and concentrate on their innovations rather than infrastructure.Unlike complex hyperscalers or transient edge/serverless solutions, Render provides a developer-first experience with persistent compute resources, dynamic autoscaling, integrated orchestration, and observability. This allows teams to launch, scale, and manage real-world applications without the need to write infrastructure code or oversee server management. Whether you're developing LLM-powered applications, scalable SaaS solutions, or asynchronous processing pipelines, Render empowers teams to accelerate their workflows and scale with confidence from MVP to millions of users.Our platform is trusted by over 4.5 million developers globally and continues to experience rapid growth. In February 2026, we secured an additional $100M in Series C funding, bringing our total funding to $257M, to further our vision of making cloud infrastructure both powerful and intuitive, especially for the fast-paced world of modern AI development.We pride ourselves on our diverse and talented team that emphasizes craftsmanship, speed, and exceptional user experience. If you are passionate about shaping the future of intelligent cloud solutions and empowering developers worldwide, we would love to connect with you.
About UsAt Sierra, we are revolutionizing the way businesses engage with their customers by building a cutting-edge platform that harnesses the power of AI. Our headquarters is located in the vibrant city of San Francisco, with additional offices expanding in Atlanta, New York, London, France, Singapore, and Japan.Our company culture is deeply rooted in our core values: Trust, Customer Obsession, Craftsmanship, Intensity, and Family. These principles guide our actions and foster an environment where innovation thrives.Sierra was co-founded by visionary leaders Bret Taylor, who currently serves as the Board Chair of OpenAI and has a rich history with Salesforce and Facebook, and Clay Bavor, who previously led Google Labs and spearheaded initiatives like Google Lens and Project Starline.Your RoleAs a Software Engineer focusing on Infrastructure at Sierra, you will play a pivotal role in designing, constructing, and maintaining the foundational systems that empower our AI platform. Your expertise will ensure that our infrastructure is not only secure and reliable but also scalable, allowing product teams to execute their work with agility and confidence.Guarantee the reliability, scalability, and performance of our platform and LLM inference serving in response to increasing traffic demands.Develop and oversee cloud infrastructure using Terraform to create secure, scalable, and reproducible environments.Establish and manage a self-service infrastructure platform to empower engineering teams in deploying and operating services independently.Take ownership of and improve CI/CD pipelines and release management processes, facilitating rapid and reliable deployments across Sierra’s platform.Design and manage distributed systems utilizing distributed databases, retrieval systems, and machine learning models.Develop and sustain core data serving abstractions along with essential authentication and security features (SSO, RBAC, authentication controls).Effectively navigate and integrate our technology stack with enterprise customer environments in a scalable and maintainable manner.
Full-time|$120K/yr - $220K/yr|On-site|San Mateo, CA United States
About UsAt Verkada, we are revolutionizing the way organizations safeguard their people and property through an integrated, AI-powered platform. As a frontrunner in cloud physical security, Verkada empowers more than 30,000 organizations globally—including over 100 Fortune 500 companies—to enhance their safety and operational efficiency via a unified software platform that offers solutions for video surveillance, access management, air quality monitoring, alarms, intercoms, and visitor management.Founded in 2016, Verkada has experienced rapid growth, boasting 15 offices and a dedicated team of over 2,200 employees.The RoleJoin our innovative cloud infrastructure team, where you will play a crucial role in designing, building, and maintaining highly scalable, reliable systems that power Verkada’s services. You will have the chance to work on exciting projects such as scaling microservice clusters, automating serverless deployments, adopting a full service mesh, and enhancing system observability. Take charge of a subdomain and lead collaborative efforts across teams.This position requires your presence at our headquarters located in San Mateo, CA, as we are dedicated to fostering a vibrant in-office culture.
At Exa, we are on a mission to create a cutting-edge search engine from the ground up, designed to cater to the diverse needs of AI applications. Our team is building a robust infrastructure that enables us to crawl the internet, train advanced embedding models for indexing, and develop high-performance vector databases using Rust. Additionally, we manage a significant $5M H200 GPU cluster that powers tens of thousands of machines.The Infrastructure Team at Exa is responsible for developing the essential tools and infrastructure that support our entire system. We are looking for talented infrastructure engineers to help us scale our capabilities rapidly. Your work could involve orchestrating GPU clusters with Kubernetes, implementing map-reduce batch jobs on Ray, or creating top-tier observability tools that set industry standards.
Full-time|$160K/yr - $225K/yr|Hybrid|San Francisco, CA (Hybrid)
About Fable SecurityAt Fable Security, we recognize that AI-driven threats and human error pose significant risks to enterprise security. Cybercriminals exploit human behavior, which is responsible for over 70% of security breaches. Our mission is to empower individuals with the right tools, transforming them from targets into an active line of defense.We have developed a human risk platform that effectively shapes employee behavior. Our user-friendly and scalable platform integrates complex employee data, identifies risky behaviors, and automatically delivers timely, relevant interventions where employees are most engaged—in real time.Supported by renowned investors such as Redpoint Ventures and Greylock Partners, and founded by members of the Abnormal Security team, Fable is addressing one of cybersecurity’s most pressing challenges within a multi-billion-dollar market. Our diverse team includes alumni from Meta, Twitter, and prestigious universities like Columbia, Stanford, and UCLA. As we experience rapid growth, this is a prime opportunity to contribute to and influence the future of security.Why Join UsHelp us build and scale the core data infrastructure that drives a groundbreaking product.Collaborate with engineering, data science, and product teams to operationalize data effectively at scale.Be part of a small, elite team where your contributions will have a significant impact.As part of an early-stage company, every engineer plays a crucial role in shaping product functionality and evolution. You will define not only the technical architecture but also the company’s data philosophy.Your RoleIn the position of Data Infrastructure Engineer, you will be responsible for the architecture, scalability, and reliability of our data platform.You will design and construct systems that support everything from real-time product functionalities to internal analytics and machine learning processes, covering the spectrum from data ingestion to production-ready datasets. Additionally, you will establish best practices that underpin our data-driven products.This role is highly cross-functional, requiring close collaboration with engineering, data, and product teams to ensure our data foundation evolves in tandem with our growth.ResponsibilitiesDesign, develop, and sustain scalable data systems.Implement best practices for data architecture and management.Collaborate with cross-functional teams to facilitate data-driven decision-making.
