Security Application Engineer

At Anduril Industries, we are revolutionizing defense technology to empower the U.S. and allied military forces with state-of-the-art solutions. By integrating the innovative practices and technologies from leading industries, we are redefining how military systems are conceived, constructed, and marketed. Our systems are powered by Lattice OS, an AI-driven operating system that creates a dynamic, real-time 3D command and control environment. In a world characterized by strategic competition, we are dedicated to delivering cutting-edge advancements in autonomy, AI, computer vision, sensor fusion, and networking technology to military applications swiftly.ABOUT THE POSITIONWe are on the lookout for a talented Security Software Engineer to forge innovative security tools aimed at safeguarding embedded Linux systems and Android devices. The preferred candidate will possess the skills necessary to develop, test, and debug a vital endpoint detection and response agent with essential security functions.KEY RESPONSIBILITIESCreate and enhance cybersecurity tools for real-time embedded Linux and Android systems.Implement an endpoint detection and response agent tailored for Anduril's products.Establish comprehensive testing and qualification protocols for security-critical components.Collaborate with cross-disciplinary teams to pinpoint specific security requirements and devise effective solutions.Conduct code reviews to ensure compliance with security best practices.Keep abreast of evolving security threats and emerging technologies.

Join Opendoor as a Software Engineer focused on Security Engineering, where you will play a pivotal role in developing and implementing cutting-edge security solutions. Your expertise will help us safeguard our platforms and protect user data, contributing to a safer home buying and selling experience.

At Anduril Industries, we are at the forefront of defense technology, dedicated to revolutionizing military capabilities for the U.S. and its allies through innovative solutions. Our mission is to integrate cutting-edge technology and business models typical of the most progressive industries into the defense sector. Our systems are powered by Lattice OS, an AI-driven operating system that transforms vast data streams into an interactive, 3D command and control environment. As global strategic dynamics evolve, we are committed to delivering advanced autonomy, AI, computer vision, sensor fusion, and networking technologies to the military swiftly and effectively.The Tactical Recon and Strike (TRS) team at Anduril focuses on the development of aerial small drones (Group 1-3) and the corresponding equipment necessary for testing, deployment, and operation. We take innovative products such as Ghost, Anvil, Bolt, and Altius from initial concepts to fully operational systems. In close collaboration with specialized teams, we tackle some of the most challenging issues faced by our customers. We seek talented software engineers, hardware engineers, roboticists, and front-end mobile developers who are passionate about building an impactful robotics platform, allowing for real-time tasking and monitoring through various interfaces.As a Staff Software Engineer specializing in Security, you will lead the development and enhancement of the security roadmap for TRS products and software services. You will collaborate closely with engineering teams to devise solutions that not only meet but exceed industry-standard security objectives. Your role will involve identifying and addressing vulnerabilities within designs, implementations, integrations, and processes, while also designing and developing security software for embedded systems. The ideal candidate will bring a robust background in software engineering, emphasizing platform security, enabling them to conduct in-depth security architecture reviews, investigate and mitigate exploits targeting hardware and software, and implement essential features in partnership with engineering teams to create resilient products.*This position is available in our Costa Mesa CA, Seattle WA, or Atlanta GA locations. We provide comprehensive relocation assistance if needed.

About the TeamAt OpenAI, we are driven by a mission to ensure that artificial general intelligence is a force for good for all humanity. Our Security team plays a crucial role in safeguarding OpenAI's technology, personnel, and products. We pride ourselves on our technical expertise in building secure systems while maintaining an operational focus. Our core principles include prioritizing impactful security initiatives, empowering researchers, preparing for emerging transformative technologies, and fostering a strong security culture across the organization.About the RoleAs an Application Security Engineer, you will take the lead in identifying and mitigating security vulnerabilities within our software applications. Your responsibilities will include developing security tools, performing code reviews, conducting penetration tests, and executing thorough security assessments.We seek individuals who will collaborate closely with our development teams to embed secure coding practices throughout the software development lifecycle, proactively preventing potential security risks. You will also offer security guidance to developers and other stakeholders, thereby nurturing a culture of security awareness within our organization.This role is ideally based in Seattle, San Francisco, or New York City, but we are open to considering remote candidates. Our hybrid work model allows for three days in-office each week, and we provide relocation assistance for new hires.In this role, you will:Conduct Security Assessments: Regularly perform security assessments, code reviews, and penetration tests to uncover vulnerabilities in our applications and software.Develop and Implement Security Tools: Design and execute security tools, frameworks, and methodologies to safeguard applications from security threats.Collaborate with Development Teams: Partner with development teams to ensure security best practices are seamlessly integrated throughout the software development lifecycle (SDLC), including secure coding guidelines.Conduct Threat Modeling and Risk Assessment: Engage in threat modeling and risk assessments to proactively identify potential vulnerabilities and formulate effective mitigation strategies.Manage Vulnerabilities: Track, analyze, and address vulnerabilities within applications, offering guidance and support for remediation efforts.Lead Incident Response: Take charge in responding to security incidents, ensuring timely investigation and resolution of security breaches.

Join a Transformative CompanyAt Palantir, we create cutting-edge software that empowers organizations to make data-driven decisions that can save lives, streamline operations, and address critical challenges. Our platforms enable partners to discover groundbreaking treatments, anticipate supply chain disruptions, and assist in locating missing persons, among other vital missions.Role OverviewAs an Application Security Engineer at Palantir, you will play a pivotal role in safeguarding our mission-critical applications against sophisticated threats. The Application Security Team is dedicated to enabling our developers to work efficiently while producing highly secure software. Given the crucial nature of our products, investing in robust application security is paramount.In this dynamic role, you will:• Conduct Comprehensive Security Reviews. You will engage in thorough security assessments of our product and service offerings, employing whitebox, greybox, and blackbox methodologies. Collaborating closely with offensive security teams and engineering departments, you'll help fortify our products against potential threats.• Serve as a Security Expert in Architecture and Design. You will provide expert guidance to product architects and engineers, engaging in threat modeling and risk assessment while implementing essential security controls. Your influence will ensure our products are designed with security as a primary focus.• Lead Strategic Security Initiatives. You will spearhead transformative security initiatives that have far-reaching impacts across the organization. Previous projects have included implementing software supply chain security measures, integrating hardware-backed GPG key signing, and developing new security services.• Identify and Analyze Vulnerabilities. You will take responsibility for discovering innovative methods to detect and rectify security vulnerabilities within our products. This includes utilizing static and dynamic code analysis, conducting security scans, and collaborating with the incident response team on security incidents.This role offers significant autonomy and the resources necessary to effect substantial security enhancements throughout Palantir. We welcome candidates with diverse backgrounds, as curiosity, determination, and a passion for security are the key attributes for success in this position.

Join our dynamic team at Artech Information Systems LLC as a Security Engineer. In this critical role, you will be responsible for ensuring the security and integrity of our information systems. You will work closely with cross-functional teams to develop and implement security measures that protect sensitive data and maintain compliance with industry standards.

Join our team as a Senior Hardware Security Engineer!We are looking for two talented and experienced individuals who are eligible to work in the United States without requiring visa sponsorship or E-Verify. This position is fully onsite at our Seattle campus, requiring presence five days a week. Candidates must reside within a commutable distance (approximately 30 miles) from downtown Seattle.Role OverviewThe successful candidate will possess extensive expertise in hardware security and be able to clearly communicate the rationale behind their decisions. As a recognized expert, the Hardware Security Engineer will contribute to the creation of technical and business solutions, often being consulted for cross-functional projects and demonstrating the ability to work autonomously with minimal oversight.In this role, you will earn the trust and respect of engineering teams and senior stakeholders through your leadership, accountability, and strategic insights, while ensuring excellence throughout the program lifecycle.Please note: This is a 12-month engagement requiring onsite work in Seattle, WA, five days a week. Candidates must be located within a 30-mile radius of the client campus and must be authorized to work in the U.S. without sponsorship.Your Responsibilities:Analyze System-on-a-Chip (SoC) security architectures to validate secure boot chains, root-of-trust enforcement, anti-rollback protections, and cryptographic controls at the silicon level.Validate hardware security requirements through hands-on testing of physical devices, evaluation boards, and chip samples across development and production lifecycles.Execute hardware security testing techniques, including fault injection attempts, debug interface probing (JTAG/BDM), and resistance validation against physical attacks.Review schematics, board layouts, and hardware designs to ensure correct implementation of secure key storage, tamper mitigations, and debug access restrictions.Verify manufacturing security processes by assessing secure provisioning flows, key injection procedures, and production lifecycle state transitions.Inspect manufactured hardware samples to detect unauthorized component substitution, malicious modification, or deviations from approved security designs.Assess cryptographic implementations (RSA, AES, HMAC, PQC) embedded in hardware and firmware to confirm secure key handling and isolation.Collaborate with silicon vendors, OEMs, and manufacturing partners to remediate security findings and validate corrective actions at the device level.

This is a direct hire position with an Emergent Software client based in Seattle, Washington. U.S. work authorization is required. No visa sponsorship is available. Role overview The Software Engineer (Endpoint Systems) develops endpoint-native software for macOS, Windows, or Linux. This role centers on building and maintaining components that operate between the operating system and user-space applications, capturing and influencing network and system behavior as it happens. The work involves low-level systems programming and requires a solid understanding of workstation networking. Main responsibilities Design and maintain cross-platform endpoint applications for macOS, Windows, and Linux Develop systems to intercept, analyze, and control network and application behavior Work on low-level systems programming, such as macOS Network Extension or similar components on Windows or Linux Collaborate closely with the OS layer, including user-space, system APIs, and kernel-adjacent components Implement logic for policy enforcement, traffic inspection, and action gating Partner with security, AI, and infrastructure engineers to understand agent workflows and risks Optimize applications for performance, reliability, and low-latency interception Requirements 3–6 years of experience in application or systems development Strong programming skills in at least one of: Go, Rust, C/C++, or Python Hands-on experience developing software for at least one desktop OS (macOS, Windows, or Linux) Familiarity with OS-level APIs (file system, processes, IPC) and background services, daemons, or agents Experience with system extensions, drivers, or low-level hooks is a plus Solid understanding of TCP/IP stack, sockets, HTTP/S, and network interception patterns such as proxies, packet inspection, or hooks Background in traffic inspection, filtering, or routing, as well as experience with endpoint or network security tools (EDR, firewall, proxy, etc.) Preferred skills Experience working with security products or observability tools Familiarity with AI/LLM tooling or agent frameworks Background in building cross-platform applications is highly desirable

Join Hive as a Security Engineer, where you will play a crucial role in safeguarding sensitive company data and implementing robust security protocols. You will collaborate with cross-functional teams to enhance our security posture, manage data governance, and respond to potential threats. Your expertise will be vital in leading security operations and conducting risk assessments to ensure the integrity of our innovative AI solutions.

About Our TeamJoin the dynamic IT team at OpenAI, where we prioritize the security and comfort of our dedicated researchers, engineers, and support staff. As an Enterprise Security Engineer, you'll thrive in a fast-paced, technical environment, ensuring our team has the necessary tools and resources to operate efficiently and securely.Our agile IT team offers the perfect platform for you to explore various domains and contribute to building an exceptional enterprise security program. We are fully supported and resourced, enabling us to provide top-tier security solutions to our teams.About the RoleIn the role of Enterprise Security Engineer, you will take charge of implementing and overseeing the security of OpenAI's internal information systems and processes. Collaborating closely with our IT and Security teams, you will enhance security capabilities, enforce policies, and vigilantly monitor for potential threats.This position is open to remote work opportunities, with relocation assistance available for candidates moving to Seattle.Your Responsibilities Include:Design and enforce robust security measures to safeguard our company's information assets from unauthorized access, disclosure, or misuse.Continuously monitor internal and external systems for security threats and respond proactively to alerts.Contribute to and enforce our IT and Security policies and procedures to maintain compliance and security.Collaborate with the IT department to enhance our infrastructure using industry best practices in AzureAD, GSuite, GitHub, and other SaaS tools.Educate employees on best practices for securing their endpoints, office AV, and network infrastructure.Establish innovative sharing controls and monitoring mechanisms to protect company data, including intelligent group management and Data Loss Prevention (DLP).Implement forward-thinking security models, such as “secure by default” and “zero trust,” to create sustainably secure environments for our teams.Identify and address vulnerabilities in our internal systems, adhering to best practices for data security.Leverage AI-driven models to enhance security detection, response, data classification, and other security-related tasks.

Become a Catalyst for Positive Change at Axon.At Axon, our mission is to safeguard lives. We tackle the most pressing safety and justice challenges using our innovative ecosystem of devices and cloud software. Our collaborative environment thrives on open communication and diverse perspectives, fostering connection among our customers, communities, and each other.Working at Axon is dynamic, rewarding, and impactful. Here, you'll take initiative and contribute to meaningful change. Embrace continuous growth while dedicating your efforts to a mission that truly matters in an organization that values your contributions.Your Role and ContributionsAs a Senior Application Security Engineer, you will lead security initiatives that are integrated throughout the software development lifecycle. This position focuses on empowering development teams with the necessary tools, knowledge, and processes to create secure applications. You will collaborate closely with developers as a security partner, enhancing our security posture while ensuring speed and innovation.Utilizing your robust software development background and application security expertise, you will create scalable security automation and tooling. This role is ideal for someone who is enthusiastic about process automation, team enablement, and tackling complex security challenges at scale.

At Docker, we revolutionize application development, empowering developers to concentrate on what truly matters. Our globally distributed, remote-first team is passionate about innovation and crafting exceptional developer experiences. With over 20 million monthly users and 20 billion image pulls, Docker stands as the premier tool for building, sharing, and deploying applications, trusted by both startups and Fortune 100 companies. As we continue to expand rapidly, we invite you to embark on this exciting journey with us!Join Docker’s AI Tools & Security team, where we are laying the groundwork for the next generation of secure, developer-centric AI infrastructure. Our flagship product, the MCP Gateway, enables developers to connect, monitor, and secure AI agents and tools throughout their lifecycle—from prototype through to production. We are setting the standard for how developers can safely leverage the Model Context Protocol (MCP) in real-world applications.We are in search of a Principal Backend Engineer who excels at the crossroads of artificial intelligence, security, and developer experience. In this pivotal role, you will guide the technical strategy for the Gateway and its associated services, collaborating closely with Product, Design, and Security teams to craft intuitive frameworks and APIs that developers will love. Embrace a high-velocity, high-ownership environment where you will deliver swiftly, iterate frequently, and help shape the future of secure agent-based development.

Join our dynamic team at Stripe as a Software Engineer focused on Product Security Data Platforms. In this role, you will be responsible for developing and maintaining cutting-edge security solutions that protect our products and services. You will collaborate with cross-functional teams to identify vulnerabilities, implement security best practices, and ensure compliance with industry standards.

Coupang is a major force in South Korean e-commerce, focused on making daily life easier for millions of customers. The company combines the energy of a startup with the reach and stability of a global public business, supporting rapid innovation and new service launches. Team members value initiative, growth, and the opportunity to make a real impact. About the Role The Senior Staff Software Engineer - Security will play a central role in strengthening the security and reliability of Coupang’s core platforms. This position is based in Mountain View or Seattle. The work centers on technical leadership, architecture, and hands-on software development. The goal: build secure, dependable, and scalable systems that support Coupang’s growth and protect customer trust. What You Will Do Lead security architecture and design for backend systems Drive technical decisions that improve platform security, quality, and reliability Mentor and guide fellow engineers on security best practices Collaborate closely with product teams on high-impact projects Contribute directly to codebases, setting high standards for secure development What We’re Looking For Extensive experience in software engineering with a focus on security Strong background in building and scaling secure backend systems Proven ability to provide technical leadership and architectural direction Experience mentoring engineers and collaborating across teams Join Coupang to help shape the future of commerce and make a lasting difference in a high-tech, connected world.

Senior Security EngineerTruveta is pioneering the world's first health provider-led data platform with an unwavering vision of Saving Lives with Data. Our mission is to accelerate the pace of discovery in healthcare by empowering researchers to find cures more swiftly, equipping clinicians with expert knowledge, and enabling families to make the most informed decisions regarding their healthcare. To realize Truveta's ambitious vision, we are assembling a remarkable team of talented individuals who possess a unique blend of expertise in health, software, and big data. We seek those who resonate with our company values.This position is based out of our headquarters in the Greater Seattle Area and requires onsite presence 5 days per week. #LI-onsiteWho We Are Looking ForAt Truveta, we are rapidly building a diverse and talented team dedicated to overcoming intricate health and technical challenges. We are in search of candidates who are excited by the opportunity to securely leverage data in developing real-world health solutions. Beyond essential qualifications, we value problem solvers, collaborative teammates, and individuals who are eager to engage in meaningful work. Our dedication to security and compliance is paramount, and this role is crucial in ensuring our success.If you are interested in an opportunity to pursue purposeful work, join a mission-driven team, and establish a fulfilling career while enjoying the journey, Truveta could be the perfect fit for you.

Anduril Industries is on the forefront of defense technology, dedicated to enhancing U.S. and allied military capabilities through innovative technology. By integrating the expertise and business models of the most pioneering companies of the 21st century into the defense sector, Anduril is revolutionizing the design, construction, and sale of military systems. Our systems are powered by Lattice OS, an AI-driven operating system that transforms numerous data streams into a real-time, 3D command and control center. As we navigate an era of strategic competition, Anduril is steadfast in its mission to deliver cutting-edge autonomy, AI, computer vision, sensor fusion, and networking technologies to the military in rapid timelines.ABOUT THE ROLEWe are in search of a Security Software Engineer with a focus on cryptographic services and key management to create innovative security tools for our diverse product range. The ideal candidate will be adept at developing, testing, and debugging embedded software with a critical emphasis on security.RESPONSIBILITIESCraft and implement cybersecurity tools for real-time embedded systems, including embedded Linux and Android.Design and develop resilient software that manages all aspects of key handling on embedded platforms—from loading through sanitization.Create comprehensive testing and qualification protocols for security-sensitive components.Work collaboratively with cross-disciplinary teams to identify security requirements and execute effective solutions.Conduct code reviews and enforce compliance with security best practices.Keep abreast of the latest security threats and technological advancements.

At Anduril Industries, we are redefining the landscape of defense technology. Our mission is to revolutionize the capabilities of the U.S. and allied military forces through innovative technology. By integrating the expertise and cutting-edge solutions from some of the most progressive companies of the 21st century into the defense sector, we are transforming the design, construction, and marketing of military systems. Our advanced systems are powered by Lattice OS, an AI-driven operating system that seamlessly integrates multiple data streams into a real-time, 3D command and control center. As we navigate an era of strategic competition, Anduril is dedicated to delivering state-of-the-art autonomy, AI, computer vision, sensor fusion, and networking technology to military operations in a matter of months, not years.ABOUT THE ROLEWe are looking for a talented Full Stack Security Software Engineer to develop innovative security tools aimed at safeguarding our diverse range of products, including the detection of potential cybersecurity threats within embedded Linux systems and Android devices. The successful candidate will possess extensive skills in full-stack development, ranging from Linux eBPF programs to cloud backends and everything in between.KEY RESPONSIBILITIESDesign and develop cybersecurity tools specifically for embedded Linux and Android platforms.Build and maintain robust backend services utilizing REST APIs on cloud infrastructure.Create intuitive front-end applications using React and TypeScript.Manage cloud infrastructure efficiently with Terraform and/or AWS CDK.Collaborate with cross-functional teams to identify security requirements and implement effective solutions.Conduct code reviews to ensure compliance with security best practices.Stay abreast of emerging security threats and technologies.

At Anduril Industries, we are redefining the future of defense technology. Our mission is to enhance the military capabilities of the U.S. and its allies through innovative technology. We harness the expertise, state-of-the-art technology, and business acumen of the most forward-thinking companies of the 21st century to revolutionize defense systems. Our cutting-edge family of systems operates on Lattice OS, an AI-driven platform that transforms vast data streams into a real-time, 3D command and control center. As global dynamics shift, Anduril is dedicated to delivering the latest advancements in autonomy, AI, computer vision, sensor fusion, and networking technology to the military at an unprecedented speed.ABOUT THE TEAMWe are seeking a visionary leader for our Security Engineering team to develop and enhance world-class defensive measures that safeguard the infrastructure supporting our defense technology products.WHAT YOU'LL DOFoster, mentor, and expand a high-performing team of security engineers.Establish technical direction and set clear standards for engineering excellence and ownership.Collaborate on hiring, performance management, and professional development.Outline and implement the security roadmap for infrastructure, remote access, ZTNA, endpoints, and M&A.Design and deploy security controls across cloud, production, and corporate infrastructures.Create tools and systems to enhance security posture and operational efficiency.Conduct security architecture and design reviews for systems and applications.Work in partnership across infrastructure, IT, product, and security teams to minimize risks while enabling operational efficiency.

At Anduril Industries, we are redefining military capabilities through innovation and advanced technology. Our mission is to enhance the U.S. and allied forces by integrating cutting-edge technology into defense systems. With our proprietary Lattice OS, we transform complex data streams into real-time, 3D command and control capabilities. As we navigate a new era of strategic competition, we are dedicated to delivering state-of-the-art autonomy, AI, computer vision, sensor fusion, and networking solutions to the military faster than ever before.JOIN OUR TEAMWe are seeking an experienced Senior Security Engineer to join our Security Engineering team, focusing on establishing robust defensive measures to safeguard our advanced defense technology infrastructure. This role is pivotal in securing Anduril's Operational Technology (OT) and Industrial Control Systems (ICS) environments. You will design and implement foundational security solutions that are essential to the deployment of our revolutionary factory systems.