Security Software Engineer Endpoint Security jobs in Washington – Browse 2,325 openings on RoboApply Jobs

Security Software Engineer Endpoint Security jobs in Washington

Open roles matching “Security Software Engineer Endpoint Security” with location signals for Washington. 2,325 active listings on RoboApply Jobs.

2,325 jobs found

1 - 20 of 2,325 Jobs
Apply
Anduril Industries logoAnduril Industries logo
Full-time|$166K/yr - $253K/yr|On-site|Washington, District of Columbia, United States

Anduril Industries is a pioneering defense technology company dedicated to enhancing the capabilities of the U.S. and allied militaries through innovative technology solutions. We leverage the expertise and cutting-edge technology from the most advanced sectors of the 21st century to revolutionize the design, production, and deployment of military systems. O…

Mar 23, 2026
Apply
Anduril Industries logoAnduril Industries logo
Full-time|$166K/yr - $253K/yr|On-site|Seattle, Washington, United States

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.

Mar 23, 2026
Apply
Palantir Technologies Inc. logoPalantir Technologies Inc. logo
Full-time|On-site|Washington, D.C.

Role Overview Palantir Technologies is looking for an Information Security Engineer focused on endpoint security in Washington, D.C. This role centers on protecting company endpoints and digital assets from threats and vulnerabilities. The position involves designing, building, and deploying security controls that keep systems secure and aligned with industry standards.

Apr 16, 2026
Apply
US Tech Solutions logoUS Tech Solutions logo
Contract|On-site|Bellevue

Join Our Team as a Security Software Engineer!We are seeking a talented Security Software Engineer to design and develop innovative prototypes and solutions. You will work closely with experts across various IT security domains, including Cloud Computing.As a key technical expert, you will engage with our technical team, product management, and R&D teams to align technology solutions with the strategic objectives of our organization.Your role will involve collaboration and communication with external partners, including clients, security vendors, ISPs, universities, and more. You will identify opportunities for technological collaboration and innovation to enhance our security posture.Additionally, you will participate in the assessment of key security and privacy issues, contributing to the formulation of security policies for our Public Cloud and IT products R&D.

Dec 6, 2016
Apply
SpaceX logoSpaceX logo
Full-time|$130K/yr - $175K/yr|On-site|Redmond, WA

Join SpaceX as a Security Software Engineer and play a pivotal role in safeguarding our mission to explore the stars. As a part of the Security team, you will be instrumental in ensuring the confidentiality, integrity, and availability of our systems and processes. You will design and implement security solutions that protect our networks and data, enabling us to push the boundaries of technology and innovate for a future on Mars. Collaborate with diverse teams across SpaceX to identify vulnerabilities and enhance our security posture, ensuring that our reputation and brand remain untarnished as we strive for success.

Feb 6, 2026
Apply
Okta, Inc. logoOkta, Inc. logo
Full-time|$174K/yr - $239K/yr|On-site|Bellevue, Washington; Chicago, Illinois

Discover OktaAt Okta, we are the leading identity company, empowering individuals to securely access any technology, anywhere, on any device or application. Our versatile products, including the Okta Platform and Auth0 Platform, ensure secure access, authentication, and automation while placing identity at the heart of business security and growth.We value diverse perspectives and experiences at Okta. We seek lifelong learners and individuals who can contribute to our mission with their unique insights. Join us in creating a world where identity is truly yours.We are currently seeking an experienced Staff Software Engineer to join our Auth0 Security Engineering team. In this role, you will design and implement security guardrails for our multi-cloud environment, translating intricate security and compliance standards into programmatic, code-driven policies.

Mar 13, 2026
Apply
usm2 logousm2 logo
Full-time|On-site|Seattle

We are seeking a skilled Security Application Engineer to join our dynamic team at usm2. In this role, you will be responsible for developing and implementing security measures for our applications, ensuring the integrity and safety of our software systems. You will work closely with cross-functional teams to identify vulnerabilities and recommend effective solutions.

Oct 18, 2016
Apply
SpaceX logoSpaceX logo
Full-time|$130K/yr - $175K/yr|On-site|Redmond, WA

SpaceX was established with the vision that humanity exploring the stars is a future worth pursuing. Today, we are pioneering the technologies to make that vision a reality, with the ultimate aim of enabling human life on Mars.SECURITY SOFTWARE ENGINEER - STARLINKAt SpaceX, we harness our expertise in rocket and spacecraft engineering to launch Starlink, the world’s most advanced broadband internet system. As the largest satellite constellation globally, Starlink is delivering fast, reliable internet to over 9 million users worldwide. We are responsible for designing, building, testing, and operating all components of the system—thousands of satellites, consumer receivers that allow users to connect within minutes of unboxing, and the software that integrates it all. We have just begun to explore Starlink’s potential for global impact and are seeking top-tier engineers to enhance Starlink’s utility for communities and businesses around the world.As a Security Software Engineer, you will play a pivotal role in shaping the security of our software across various product lines. We are looking for candidates with a proven track record of delivering reliable software, alongside a comprehensive understanding of modern Internet security design, including cryptographic principles. You should be able to see the bigger picture, prioritize effectively, and be adept at working across different levels of abstraction. Ideally, you will possess significant expertise in one or more of the following areas:Software engineeringApplied cryptographyNetwork securityOperating system securitySecure/Authenticated bootIncident response and adversary detectionVulnerability researchSuccess in this role necessitates flexibility, clear communication, and the ability to foster and maintain productive relationships with other engineering teams. If you are passionate about developing high-quality products, thrive on the challenges of outsmarting adversaries, and aspire to make a difference on an interplanetary scale, you will fit right in.

Feb 6, 2026
Apply
Space Exploration Technologies Corp. logoSpace Exploration Technologies Corp. logo
Senior Security Software Engineer - Starshield

Space Exploration Technologies Corp.

Full-time|$168K/yr - $230K/yr|On-site|Washington, DC

At SpaceX, we believe in a thrilling future where humanity explores the stars. We are dedicated to developing innovative technologies to make this vision a reality, culminating in our ultimate goal of enabling human life on Mars.SENIOR SECURITY SOFTWARE ENGINEER - STARSHIELDOur Starshield program leverages SpaceX’s advanced Starlink technology and launch capabilities to bolster national security initiatives. Unlike Starlink, which caters to consumer and commercial sectors, Starshield is tailored for government applications, focusing on critical areas such as earth observation, secure communications, and hosted payloads. The Starshield team is tasked with creating highly reliable in-space mesh networks, developing secure systems to ensure space access, and designing next-generation communication and sensing software.As a Senior Security Software Engineer, you will play a pivotal role in shaping the security landscape of our diverse product lines. We seek individuals with a proven history of delivering dependable software and a comprehensive understanding of contemporary Internet security design, including cryptographic principles. Your capacity to see the broader picture, prioritize effectively, and work across various abstraction levels will be essential. Expertise in one or more of the following areas is highly desirable:Software engineeringApplied cryptographyNetwork securityOperating system securitySecure/authenticated bootIncident response and adversary detectionVulnerability researchYour success will depend on your adaptability, clear communication, and ability to build and maintain productive relationships with fellow engineering teams. If you are passionate about crafting high-quality products, enjoy the challenges of outsmarting adversaries, and aspire to make a significant impact on an interplanetary scale, you will thrive here.

May 1, 2026
Apply
Opendoor Technologies Inc. logoOpendoor Technologies Inc. logo
Full-time|On-site|Seattle, Washington, United States

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.

Mar 27, 2026
Apply
Statsig logoStatsig logo
Full-time|$165K/yr - $200K/yr|On-site|Bellevue, WA

*Statsig is currently not hiring for this position but is eager to build a pipeline for future roles in the coming year. We welcome applications now!About StatsigStatsig is dedicated to transforming the software development landscape, enhancing how applications are constructed, tested, and scaled.Renowned companies such as OpenAI, Microsoft, Atlassian, Notion, Bloomberg, Brex, Vercel, and Rippling trust Statsig for insightful analytics and innovative growth strategies. We don't just provide analytics and experimentation tools; we are pioneering a new standard for product development, fostering a data-driven culture across organizations.ResponsibilitiesAs a Senior Security Engineer at Statsig, you will be integral in fortifying our systems and executing robust security protocols. Your engineering prowess combined with security expertise will be pivotal in enhancing Statsig’s security framework.Design, implement, and refine software architectures to mitigate security risks.Lead key initiatives aimed at bolstering security operations through the development of clean, high-quality, and efficient code.Create and sustain software solutions, including applications, database integrations, and new feature enhancements.Assist in testing and deploying new products and features.Engage in collaborative code reviews, upholding high standards of quality and best practices.Adopt a generalist approach to security controls, blending varied technical skills and security knowledge to address dynamic challenges.Participate in hands-on engineering and cross-functional collaboration to ensure alignment with business objectives and compliance standards (SOC2, ISO27001, FEDRAMP, etc.).Candidate ProfileYou excel in a dynamic, high-growth setting and are motivated to contribute to impactful projects that require scalability. You thrive in collaborative environments, particularly with large-scale applications and frameworks.Bachelor's degree in Computer Science, Cybersecurity, or a related discipline preferred.Over 5 years of experience in Software Engineering, Security Engineering, or a closely related field.Deep understanding of security principles, best practices, and common vulnerabilities.

Sep 22, 2025
Apply
Anduril Industries logoAnduril Industries logo
On-site|On-site|Seattle, Washington, United States

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.

Feb 11, 2026
Apply
Databricks logoDatabricks logo
Full-time|$221.2K/yr - $241.1K/yr|On-site|Bellevue, Washington

At Databricks, we are dedicated to empowering data teams to address some of the most challenging issues in the world, from detecting security threats to developing cancer treatments. We achieve this by constructing and maintaining the world's leading data and AI infrastructure platform, allowing our clients to concentrate on the critical challenges that define their missions.Our engineering teams create sophisticated products that meet significant global needs. We are continually pushing the limits of data and AI technology while ensuring resilience, security, and scalability that are essential for our customers' success on our platform.Customers entrust Databricks with their most sensitive data, and our Trust & Safety team is committed to developing the most reliable data analytics and machine learning platform globally. Security Engineering plays a pivotal role in Trust & Safety, safeguarding customer data from malicious threats. We are seeking visionary senior leaders like you to define the strategy for this essential domain.

Jan 30, 2026
Apply
SpaceX logoSpaceX logo
Full-time|$130K/yr - $175K/yr|On-site|Redmond, WA

SpaceX was founded on the belief that humanity's exploration of the stars is a thrilling pursuit. Today, SpaceX is at the forefront of developing technologies that will make this vision a reality, with the ultimate aim of enabling human life on Mars.PRODUCT SECURITY ENGINEER (STARLINK)At SpaceX, we harness our expertise in rocket and spacecraft manufacturing to deploy Starlink, the most advanced broadband internet system globally. With the largest satellite constellation in the world, Starlink delivers fast and reliable internet to millions of users across the globe. We are responsible for designing, building, testing, and operating every component of this system—thousands of satellites, consumer receivers that allow users to connect within minutes of unboxing, and the software that integrates everything. We are only beginning to unlock Starlink's potential to make a global impact, and we are seeking top-tier engineers to help maximize Starlink's utility for communities and businesses worldwide.As a Security Software Engineer, you will play a pivotal role in enhancing the security of our software across various product lines. We seek individuals with a proven track record of delivering reliable software and a comprehensive understanding of the security architecture of today's Internet, including the cryptographic fundamentals involved. You have a holistic perspective, prioritize effectively, and are comfortable working across different levels of abstraction. Ideally, you possess significant expertise in one or more of the following areas:Software engineeringApplied cryptographyNetwork securityOperating system securitySecure/Authenticated bootIncident response and adversary detectionVulnerability researchYour success will hinge on your flexibility, clear communication skills, and the ability to foster productive relationships with other engineering teams. If you are passionate about creating quality products, enjoy the challenge of outsmarting adversaries, and wish to make a meaningful impact on an interplanetary scale, you will thrive in this role.

Mar 11, 2026
Apply
SpaceX logoSpaceX logo
Full-time|$130K/yr - $175K/yr|On-site|Washington, DC

At SpaceX, we envision a future where humanity is exploring the vast universe, and we are dedicated to making that vision a reality. Our mission is to develop groundbreaking technologies that enable human life on Mars and beyond.Position: Security Software Engineer, Applied Computing (Starshield)Join our Starshield team, which utilizes SpaceX's Starlink technology to bolster national security. While Starlink serves consumer and commercial needs, Starshield is tailored for government applications, focusing on earth observation, communication, and hosted payloads. Our mission includes creating highly reliable in-space mesh networks, developing secure systems for guaranteed access to space, and innovating next-generation communication and sensing software.As a Security Software Engineer, your role will involve harnessing AI to automate security measures and ensure the seamless integration of AI into both new and existing systems. If you are passionate about AI, security, and the challenges of merging the two, this position is an excellent fit for you.The ideal candidate will have strong expertise in:Software engineeringAgent engineering and securityLLM attack surfacesNetwork and operating system securityIncident response and adversary detectionSuccess in this role requires flexibility, clear communication, and the ability to forge productive relationships with other engineering teams. If you thrive on building high-quality products and enjoy the challenge of outsmarting adversaries on an interplanetary scale, we want to hear from you!

Feb 27, 2026
Apply
OpenAI logoOpenAI logo
Full-time|Hybrid|Seattle

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.

Feb 27, 2025
Apply
Palantir Technologies logoPalantir Technologies logo
Application Security Engineer

Palantir Technologies

Full-time|On-site|Seattle, WA

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.

Aug 7, 2018
Apply
Lyft, Inc. logoLyft, Inc. logo
Full-time|On-site|Seattle, WA

Join Lyft's Corporate Security team as a Senior Security Engineer, where you'll play a pivotal role in safeguarding our operations and protecting our customers' data. You'll leverage your expertise in security protocols and technologies to identify vulnerabilities and enhance our security posture. Collaborate with cross-functional teams to implement security best practices across the organization.

May 1, 2026
Apply
Space Exploration Technologies Corp. logoSpace Exploration Technologies Corp. logo
Full-time|On-site|Washington, DC

Join SpaceX as a Principal Security Software Engineer, where you will play a critical role in ensuring the security and integrity of our software systems. You will lead initiatives to develop, implement, and enhance security protocols that safeguard our operations and data.

Mar 27, 2026
Apply
SpaceX logoSpaceX logo
Full-time|On-site|Washington, DC

Join SpaceX as a Principal Security Software Engineer in our Applied Computing division focused on Starshield, a cutting-edge initiative aimed at enhancing our security software capabilities. In this pivotal role, you will lead the development of innovative software solutions designed to protect sensitive information and maintain the integrity of our systems. Your expertise will guide the team in tackling complex security challenges and ensuring that our products meet the highest standards of reliability and security.

Mar 27, 2026

Sign in to browse more jobs

Create account — see all 2,325 results

Tailoring 0 resumes

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