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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.
We are seeking a talented Software Engineer II with over 5 years of experience in software development. Join a dynamic team where you will be responsible for developing high-quality software solutions that meet our clients' needs. You will have the opportunity to work on exciting projects and collaborate with cross-functional teams.
Banking is undergoing a transformation, with customers demanding every interaction to be seamless, personalized, and immediate.We are developing a universal banking assistant designed for millions of U.S. consumers, enabling them to transact across all financial institutions and, over time, automatically achieve their financial objectives. Powered by our innovative BankGPT platform, this assistant is set to overhaul outdated legacy systems in financial institutions and dominate the end-to-end customer experience stack, unlocking a potential $200 billion market and possibly replacing numerous publicly traded companies.Ultimately, our goal is to enhance financial well-being for millions of consumers.With over two-thirds of Americans living paycheck to paycheck, half with less than $500 in savings, and only 17% being financially literate, we aim to automate financial wellness to help address this critical issue.About the RoleAs the Director of Security & Privacy Engineering, reporting directly to the VP of Engineering, you will be instrumental in shaping and executing interface.ai's comprehensive security and privacy strategy. Your responsibilities will include developing and managing a program that guarantees our AI products and cloud infrastructure are secure, compliant, and resilient, thereby cultivating customer trust and fulfilling regulatory standards. This role combines both strategic and hands-on leadership, impacting technology, governance, and the organizational culture. You will oversee the establishment of a secure, compliant environment for our AI offerings and cloud services, all while ensuring adherence to industry regulations and enhancing customer confidence.
Full-time|$227K/yr - $303K/yr|On-site|Livingston, NJ / New York, NY / Sunnyvale, CA
CoreWeave builds cloud infrastructure for AI innovators, supporting organizations with secure, high-performance platforms. Trusted by leading AI labs and enterprises, CoreWeave integrates with existing identity and security systems to deliver reliable solutions for sensitive workloads. Since March 2025, CoreWeave has been publicly traded on Nasdaq (CRWV). Learn more at www.coreweave.com. About the Security Products Division The Security Products group develops tools that help enterprise clients extend their identity and encryption frameworks into the CoreWeave Cloud. This team builds products like CoreWeave IAM, encryption lifecycle management, and infrastructure for detailed access control and secure onboarding. Collaboration with Product, Information Security, and core platform teams is central to making CoreWeave a secure and compliant environment for large-scale AI applications. Role Overview: Director of Engineering, Security Products CoreWeave seeks a Director of Engineering to lead teams building identity, authorization, and encryption platforms. This technical and strategic leader will shape the roadmap for security products that support customer trust and enable scalable, regulated AI applications. The Director will work closely with Product and Security partners to design and maintain reliable, auditable, and user-friendly services. Mentoring engineering leaders and individual contributors is a key part of this role, setting high standards for engineering quality in a complex, high-stakes environment. What You Will Do Define and execute the engineering roadmap for CoreWeave security products, including IAM, authorization, encryption lifecycle management, and workload identity. Locations Livingston, NJ / New York, NY / Sunnyvale, CA
Full-time|$145K/yr - $205K/yr|On-site|Denver, CO or Long Beach, CA
True Anomaly, Inc. develops technology at the intersection of spacecraft, software, and AI to support secure and sustainable access to space. The company’s mission centers on advancing the peaceful use of space, which impacts communications, logistics, and global security. With locations in Denver, CO and Long Beach, CA, True Anomaly supports the U.S., its allies, and commercial partners in protecting space infrastructure. Our Values Be the offset. Creativity and ingenuity drive unique advantages. What would it take? Challenging assumptions leads to ambitious results. It’s the people. The team’s collective strength fuels success. Role Overview The Senior Application Security Engineer will shape and audit security controls for critical space systems, ensuring alignment with strict government compliance standards. This role combines security engineering, compliance frameworks (including NIST 800-171 and 800-53), and cloud-native architectures to protect satellite mission control software and flight systems under Department of Defense protocols. What You Will Do Design and implement application-level security controls for mission-critical systems. Develop comprehensive audit logging, incident response, access controls, and security monitoring. Work closely with product engineering teams to integrate security practices into development and operations. Establish security protocols that directly impact national security space operations. Requirements Experience with security engineering and compliance frameworks (NIST 800-171/800-53). Background in modern cloud-native architectures. Ability to obtain and maintain a security clearance. This position is based in Denver, CO or Long Beach, CA.
Full-time|$140K/yr - $220K/yr|On-site|New York City
Join Our Team as a Machine Learning Infrastructure EngineerAt Fauna Robotics, we are on the forefront of revolutionizing robotics through cutting-edge machine learning technologies. As a Machine Learning Infrastructure Engineer, you will play a pivotal role in constructing and enhancing the machine learning systems that drive our innovative robotic solutions. Your expertise will be essential in designing, managing, and optimizing the infrastructure required for training, evaluating, and deploying ML models that facilitate robot locomotion, perception, manipulation, navigation, and interaction with humans.This position is an exciting opportunity to work at the convergence of machine learning and systems engineering, ensuring that our ML training and deployment systems are resilient, efficient, and scalable as we transition from prototypes to fully functional production systems.
Full-time|$265K/yr - $364.3K/yr|On-site|San Francisco, California
As the Director of Corporate Engineering at Databricks, you will lead global enterprise engineering and operations. This pivotal role involves building and managing a highly skilled engineering team, crafting foundational strategies, and ensuring robust enterprise security. You will be tasked with engineering, securing, and optimizing cloud infrastructure, enhancing Identity and Access Management, managing Endpoints and Collaboration tools, and ensuring compliance with standards such as SOX, PCI DSS, and FedRAMP. Collaborating closely with R&D, you will oversee the management of engineering tools such as Jira, Confluence, and GitHub, promoting efficient adoption and integration. Strong technical acumen and influential leadership skills are essential for navigating a complex and rapidly evolving enterprise environment.
Full-time|$170K/yr - $200K/yr|On-site|San Francisco, CA - US
At Crusoe, our vision is to enhance the availability of energy and intelligence. We are at the forefront of developing solutions that empower individuals to innovate boldly with AI, all while ensuring that we uphold principles of scalability, speed, and sustainability.Join us in driving the AI revolution through sustainable technology at Crusoe. You will play a pivotal role in fostering innovation, making a significant impact, and collaborating with a team that is leading the way in responsible and transformative cloud infrastructure.About the RoleWe are on the lookout for a Senior Software Engineer to take on the role of founding engineer within our new Enterprise Software Engineering team in IT. You will work closely with the Director to develop internal tools, automation processes, and integrations that remove manual tasks and address critical operational challenges across the organization.This role transcends traditional enterprise IT positions. You will leverage AI-assisted development as your primary method, delivering production-quality software within days instead of months, while laying the groundwork for future team members. As you grow in this role, your primary contributions will focus on defining specifications, context, and reusable patterns to guide AI agents, while still engaging in hands-on coding for the most complex challenges.Your ResponsibilitiesDesigning and deploying internal tools, automation, and integrations that provide measurable benefits across Finance, Operations, HR, and other business functions.Utilizing AI-assisted development as your standard workflow, which includes drafting specifications, creating prompts, reviewing AI-generated code, and iterating quickly.Establishing foundational technical patterns such as coding standards, project conventions, reusable components, and context files that facilitate AI-driven development.Creating and managing integrations between enterprise systems through APIs, middleware, and data pipelines.Developing solutions across a versatile environment that combines cloud application platforms with internal GPU compute for AI workloads.Collaborating with business teams during rapid prototyping sessions, then refining prototypes into production-ready systems complete with testing, monitoring, and documentation.Setting up CI/CD pipelines, automated testing, and quality assurance measures for all solutions delivered.Taking ownership of solutions from end to end, covering everything from specification and implementation to deployment and production support.
Join us in creating a safer world, incident by incident.At Ambient.ai, we are revolutionizing physical security through our unified, AI-powered platform that empowers leading enterprises to minimize risks, enhance operational efficiency, and derive essential insights. Our technology is trusted by seven of the top ten U.S. tech firms and numerous Fortune 500 companies, all aiming to modernize their security systems.Our innovative platform leverages state-of-the-art AI and computer vision to seamlessly integrate with existing camera and sensor systems, facilitating real-time monitoring and proactive threat detection. By significantly reducing false alarms by over 95%, we enable security teams to concentrate on genuine threats and avert incidents before they escalate.Founded in 2017 and supported by esteemed investors including Andreessen Horowitz, Y Combinator, and Allegion Ventures, Ambient.ai is a Series B company dedicated to making every security incident preventable.Interested in learning more? Connect with us on LinkedIn and YouTubeAbout the Role:As a Senior Software Engineer focusing on AI infrastructure, you will report directly to Raghu Nallamothu. Your primary responsibility will be designing and constructing machine learning infrastructure to efficiently manage terabytes of real-time video data while deploying cutting-edge deep learning models. You will play a crucial role in developing a data engine for training data collection and in the continuous training and evaluation of Ambient.ai's computer vision models, positioning your work at the forefront of AI advancements.You will collaborate closely with our research scientists to integrate the latest AI innovations, including large language models (LLMs) and large vision models (LVMs), into our product suite.Key Responsibilities:Take a leading role in constructing and sustaining advanced machine learning infrastructureDevelop a scalable and efficient data engine for ongoing model training and evaluationWork in partnership with research scientists to incorporate cutting-edge AI technologies into our computer vision solutionsQualifications:Minimum of 4 years of relevant industry experienceBachelor's or Master's degree in Computer Science, Engineering, or a related fieldProficient in programming languages such as Python, Java, or C++Strong understanding of machine learning frameworks (e.g., TensorFlow, PyTorch)Experience with large-scale data processing and infrastructure
At Causal Labs, we are on a groundbreaking mission to develop general causal intelligence, harnessing AI to (1) forecast future events and (2) pinpoint optimal actions to influence that future.To realize this vision, we are constructing a Large Physics foundation Model (LPM), as the domains governed by physics inherently feature cause-and-effect relationships, which is distinct from visual or textual data.Weather serves as the perfect training environment for our LPM, being the most extensively observed physical system and providing rapid, objective ground truth feedback from sensory data at an unprecedented scale, far exceeding what is utilized for current large language models (LLMs).Our team comprises elite researchers and engineers with backgrounds in self-driving technology, drug discovery, and robotics, including talents from Google DeepMind, Cruise, Waymo, Meta, Nabla Bio, and Apple. We believe that achieving general causal intelligence will be a pivotal technological advancement for humanity.We are searching for infrastructure engineers who are eager to tackle formidable challenges and contribute to our mission.Your expertise in distributed training clusters and performance optimization for large models will be crucial as we address our training and inference challenges. If you possess experience in developing large-scale ML infrastructure within fields like language models, vision systems, robotics, or biology, we invite you to join us.
Full-time|$196K/yr - $230K/yr|Hybrid|Menlo Park, CA
Be a Part of the Future of Finance.At Robinhood, we are on a mission to democratize finance for everyone. With an anticipated $124 trillion in assets set to be transferred to younger generations over the next two decades, we are at the forefront of the largest wealth transfer in history. If you want to play a pivotal role in this transformative era, we invite you to join us.Team Overview + Position DetailsWe are assembling a top-tier team dedicated to tackling some of the most significant challenges in finance using cutting-edge technology. We seek innovative thinkers and skilled problem-solvers who are eager to make a meaningful impact. Robinhood is a dynamic workplace where ambitious individuals excel. We foster a high-performance culture where ethics underpin our actions and high expectations correlate with substantial rewards.As a Senior Web Infrastructure Engineer, you will spearhead the web development lifecycle, bringing products from concept to launch. You will collaborate closely with design, product management, and internal platform teams to implement high-impact features within diverse product teams.Your expertise will be instrumental in addressing challenges associated with our web-first, high-performance trading platform.This position is based in our Menlo Park, CA, or Toronto, ON office(s), with a minimum in-person attendance of three days per week.We believe in the power of face-to-face collaboration to expedite progress, ignite innovation, and strengthen community bonds. Our office environment is intentional, invigorating, and designed to support high-achieving teams.Your ResponsibilitiesLead and execute medium to large-scale infrastructure projects that enhance and expand web development capabilities at Robinhood.Develop and sustain reliable, high-performance tools for CI/CD, build systems (e.g., Bazel), and local development environments.Collaborate with product teams to drive feature development and improve user experience.
Full-time|On-site|Costa Mesa, California, United States
Join Anduril Industries as a Data Engineer specializing in Infrastructure FinOps, where you will play a crucial role in optimizing our financial operations through innovative data solutions. You will be responsible for designing, implementing, and maintaining data pipelines that support our financial decision-making processes.
Join us at the forefront of technology as we revolutionize the data storage landscape. At Pure Storage, you'll contribute to transformative projects, collaborate with some of the brightest minds in the industry, and embark on a journey of innovation and growth.If you are passionate about making a difference and ready to embrace limitless opportunities, we invite you to be a part of our team.ROLE OVERVIEWAs a Senior Security Engineer specializing in Detection Engineering, you will work closely with the security operations lead and the broader security team to establish and enhance security use cases across the organization. Your primary goal will be to design and refine detection policies and response strategies that empower our team to swiftly and accurately identify actual threats, misuse incidents, intrusions, and data loss events.This is an active role that requires a deep understanding of our business operations, attacker methodologies, and where critical signals reside. Your expertise will translate into robust security content and effective response workflows. In this position, success is evaluated not on the number of alerts, but on the quality of signals, reduction of attacks, accelerated containment, and ongoing operational enhancements.KEY RESPONSIBILITIESDesign, implement, and manage high-fidelity detections, correlation rules, alerts, dashboards, and use cases within Splunk and related security tools.Create detection mechanisms across various data domains, including identity, endpoint, network, cloud infrastructure, SaaS applications, DLP, vulnerability management, and asset posture.Integrate signals from multiple tools and data sources to uncover attacker behavior, misuse, anomalous activities, and significant security risks.Collaborate with business units, IT, engineering, and security stakeholders to align business processes and workloads with necessary security use cases and telemetry.Engage in incident triage, investigation, containment, and post-incident improvement efforts.Develop enrichment and automation workflows utilizing Python, APIs, and security tools to enhance analyst efficiency and consistency in responses.Refine detection quality by calibrating noisy alerts, minimizing false positives, and increasing the true positive detection rate.Contribute to the logging strategy, event onboarding, normalization, parsing, correlation, retention, reporting, and platform customization.Leverage threat intelligence, attacker tradecraft, and frameworks such as MITRE ATT&CK, CVE/CVSS, and risk context to facilitate meaningful detections.Produce playbooks, runbooks, detection documentation, and operational guidelines for the security team.
Full-time|$240K/yr - $300K/yr|Hybrid|San Francisco, California, United States
Why Join Brex?At Brex, we are revolutionizing the way businesses manage their finances. As a leading intelligent finance platform, we empower companies to optimize spending and accelerate their operations across more than 200 global markets. Our unique combination of corporate cards, banking, and advanced spend management tools—including bill payment and travel software—provides finance teams with unparalleled visibility and control. By leveraging AI-driven automation and offering world-class customer service, we eliminate tedious expense and accounting tasks, allowing our clients to focus on their core missions. Join the ranks of industry pioneers like DoorDash, Coinbase, Robinhood, Zoom, Plaid, Reddit, and SeatGeek who trust Brex to power their financial needs.Joining Brex means challenging yourself, defying conventions, and collaborating with some of the brightest minds in the tech industry. We are dedicated to fostering a diverse and inclusive team culture where your aspirations can grow as far as you dare to dream. With the right tools, resources, and support, your career development is in your hands.Engineering Excellence at BrexOur engineering teams focus on building robust systems that scale effectively and purposefully. Spanning Software, Data, Security, and IT, we operate with a high degree of autonomy while maintaining deep collaborative efforts. We thrive on tackling complex technical challenges and consistently strive for excellence, from system architecture to deployment. Brex is an environment where engineers can hone their craft and evolve into leaders.Your RoleAs the Engineering Manager for Cloud Infrastructure, you will spearhead a talented team of senior engineers focused on the critical AWS infrastructure that supports Brex. Your immediate mission will be to drive our Business Continuity and Disaster Recovery (BCDR) initiative to successful completion, a top priority that entails multi-region failover and enhancing infrastructure resilience. You will blend leadership with technical expertise, gaining the respect of your senior team while fostering operational excellence and cross-functional collaboration throughout our engineering organization.Work EnvironmentThis position is based in our San Francisco office, where we embrace a hybrid work model that combines the vibrancy of in-office collaboration with the flexibility of remote work. We require team members to be in the office at least three days a week: Monday, Wednesday, and Thursday. Additionally, we offer up to four weeks of fully remote work opportunities each year!
Job Title: Senior Security EngineerLocation: REMOTE - Cincinnati, Charlotte, Boca, Portland, San Jose, ChicagoWe are in search of a proficient and detail-oriented Senior Security Engineer to enhance our enterprise data protection strategies within Microsoft O365. This role is perfect for an experienced professional who is passionate about security and has a strong background in managing security controls across SharePoint, OneDrive, and Teams environments.In this hands-on position, you will be responsible for implementing and fine-tuning Data Loss Prevention (DLP) policies, Retention Policies, and Data Classification Labels, ensuring our data remains secure and compliant. The ideal candidate will possess a proactive mindset, thriving in collaborative settings, and will engage directly with end users to align security measures with business objectives.
Join Palantir as an Application Security Engineer and play a crucial role in safeguarding our cutting-edge software solutions. Our mission is to empower organizations to make data-driven decisions that can change the world—from developing life-saving drugs to mitigating supply chain disruptions. In this hands-on position, you will conduct comprehensive security reviews, provide expert guidance on security architecture, lead strategic security initiatives, and identify vulnerabilities in our products. Collaborate with cross-functional teams to ensure our software is secure by default and resilient against advanced threats.
Join a Transformative CompanyAt Palantir, we engineer cutting-edge software solutions that empower organizations to make data-driven decisions and optimize operations. Our innovative platforms enable partners to discover life-saving treatments, anticipate supply chain challenges, locate missing persons, and much more.Your RoleAs a Cybersecurity Engineer, you will be entrusted with safeguarding Palantir’s global workforce and technological infrastructure. Your technical acumen, coupled with an unwavering commitment to integrity and a genuine enthusiasm for technology, is what sets you apart. We seek a collaborative, driven individual who thrives on problem-solving and embraces new challenges.In this pivotal role, you will serve as the frontline defense against potential threats to Palantir. Your team will oversee round-the-clock monitoring, prevention, detection, and analysis of security incidents and attacks across our extensive infrastructure. Your contributions will play a crucial role in advancing Palantir's mission by fortifying our defenses and securing our worldwide network.
At GRAIL, our mission is clear: to detect cancer at its earliest stages, offering a chance for successful treatment. We are dedicated to altering the course of cancer mortality and uniting various stakeholders to embrace groundbreaking, safe, and effective technologies that revolutionize cancer care.As a pioneering healthcare organization, we are at the forefront of innovative technologies aimed at early cancer detection. Our multidisciplinary team consists of scientists, engineers, and physicians who harness the power of next-generation sequencing (NGS), large-scale clinical studies, and cutting-edge data science to tackle one of medicine's most formidable challenges.Headquartered in the vibrant Bay Area, GRAIL also has locations in Washington, D.C., North Carolina, and the United Kingdom, backed by prominent global investors and leaders in the pharmaceutical, technology, and healthcare sectors.To learn more about our transformative work, please visit grail.comWe are seeking a driven and impactful Senior Staff Product Security Engineer to be a pivotal technical leader in advancing our product security initiatives across the organization. Reporting to the Director of Product Security, you will play an essential role in ensuring the security and resilience of our products, vital to GRAIL's life-saving mission.As a senior individual contributor, you will lead the technical execution of our Product Security roadmap, collaborating closely with Engineering and Product teams, and mentoring fellow security engineers. Your influence will extend to architectural and development decisions throughout the product lifecycle, enabling teams to navigate the evolving threat landscape while ensuring efficient delivery in a regulated environment.Flexible Work Arrangement – Menlo Park (MPK) – 3 Days in OfficeThis position is located in Menlo Park, California, transitioning to Sunnyvale, California in Fall 2026. GRAIL offers a flexible work environment, allowing for a mix of on-site and remote work. Currently, our policy requires a minimum of 60% (24 hours) of your workweek to be on-site, with specific schedules determined collaboratively with your manager to align with team and business needs.
Join Mozilla, a pioneering technology company dedicated to enhancing the internet experience for billions, as a Staff Security Engineer. In this fully remote role, you will be integral to a dynamic team focused on monitoring and mitigating security incidents across Mozilla’s diverse range of products and services.To learn more about our Hiring Range System, please click this link.Why Mozilla?Mozilla Corporation is a non-profit-backed technology company that has been transforming the internet for over 25 years. With flagship products like Firefox, we prioritize privacy and user-centric experiences. As we continue to grow, with over 225 million monthly users, we are committed to reshaping technology for a better future. Our focus spans AI, social media, security, and more, all while staying true to our mission – to enhance the internet for everyone.As a wholly owned subsidiary of the Mozilla Foundation, we’re free from shareholder pressures, focusing instead on our mission. Together with a global community of contributors, we build and distribute open-source software that empowers individuals to navigate the internet on their own terms.About this team and role:We are seeking an experienced Incident Responder to join our dedicated team, responsible for identifying and addressing security threats targeting Mozilla’s offerings. This critical role requires extensive hands-on experience in security, with a keen understanding of modern attack detection and response strategies. Your ability to communicate effectively and collaborate with diverse teams will be essential as you work to protect the integrity of our products and ensure the safety of our users. Join us in our mission to create a more secure internet.What you’ll do:Monitor security incidents and respond promptly to threats impacting Mozilla’s systems.Collaborate with cross-functional teams to enhance security protocols and incident response strategies.Continuously improve detection mechanisms and response procedures to safeguard our users’ data.
Join one of America’s fastest-growing insurance companies, National Life Group, which has been committed to delivering stability and peace of mind to families since 1848. We don’t just offer insurance and annuities; we strive to enhance lives through our charitable foundation, company-sponsored volunteer efforts, and initiatives promoting sustainability and wellness in our workplaces.We believe in a collaborative atmosphere that nurtures growth. Our associates embody our values: Do good. Be good. Make good.Please note that we do not offer visa sponsorship for this position.As an Email Security Engineer, you will be at the forefront of defending against email threats, taking our security measures to new heights. In this hands-on role, you will design and implement state-of-the-art security controls utilizing Proofpoint, Microsoft Office 365, Exchange Online Protection, and Microsoft Purview DLP, all aimed at combating phishing, business email compromise, and data loss.Expand your skillset and make a tangible impact as you collaborate and share knowledge with an innovative team. You will automate effective strategies, adapt rapidly to new insights, and contribute to our security roadmap. Our leaders encourage experimentation and support your ongoing personal and professional development, ensuring your work makes a significant difference.Become part of a purpose-driven culture that values progress. Our core motto is simple: Do good. Be good. Make good. You will be backed by a team dedicated to fostering thoughtful experimentation and growth, ensuring that your contributions are meaningful to both the organization and your career.This position currently requires an onsite presence four (4) days a week, specifically on Monday, Tuesday, Wednesday, and Thursday. The work schedule may change with prior notice and at the discretion of your manager.
Full-time|Hybrid|Foster City, CA (Hybrid) In office M,W,F
Join Replit as an Offensive Security Engineer, where you'll play a critical role in enhancing our security posture. Your expertise will help identify vulnerabilities and mitigate risks while working collaboratively with cross-functional teams to foster a culture of security-first practices.
