Senior Software Engineer with Security Clearance

The company is a defense technology organization with a mission to transform U.S. and allied military capabilities through advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense sector, the organization is changing how military systems are designed, built, and delivered. Its family of systems is powered by an AI-enabled operating system that converts thousands of data streams into a real-time, 3D command and control environment. As global strategic competition intensifies, the company is committed to rapidly delivering cutting-edge autonomy, AI, computer vision, sensor fusion, and networking technologies to the military. ABOUT THE TEAM The Platform Discovery team sits at the forefront of incubating and maturing high-potential, software-defined, AI-native capabilities designed to solve the newest and most challenging problems across hardware, software, space, and cyber domains. The team architects mission autonomy and mesh networking solutions, delivering scalable hardware and software technologies aligned with urgent national security needs. By working closely with specialized teams in Perception, AI, Motion Planning, Hardware, Test Engineering, Space, Networking, and Vehicle Hardware, the Discovery group develops end-to-end systems that redefine mission success. ABOUT THE JOB As a Software Engineer on the Discovery team, you will work on diverse technical problems across networking, autonomy, systems integration, robotics, and other complex domains-balancing engineering rigor with practical tradeoffs. Your work ensures that the company's products operate seamlessly together to deliver mission-critical results. You will receive mentorship and leadership opportunities, and you will be expected to help set technical direction for engineering teams. Above all, Software Engineers must embody a "whatever it takes" mindset-executing quickly, pragmatically, and at scale while maintaining high engineering standards and keeping mission outcomes front-and-center. In addition to building software, you will also work directly with customers to deploy capabilities in the field. WHAT YOU'LL DO * Develop tools and capabilities that extend the company's AI-powered operating system to support command and control of cyber assets, planning and execution of cyber missions, networking, and remote asset management in far-edge environments. * Collaborate with customers, product designers, and engineering teams to design and build new software products optimized for maximum end-user value. * Build, test, deploy, and demonstrate mission-critical software in tight feedback loops with end users. * Travel up to 25% to participate in customer events and deploy capabilities in real-world scenarios. * Contribute to existing software services across the organization, helping build reusable components that support multiple product lines. REQUIRED QUALIFICATIONS * Strong engineering background in fields such as Computer Science, Software Engineering, Mathematics, or Physics * 7+ years of experience with languages such as Java, Python, C++, Rust, Go, JavaScript, etc. * Experience building software solutions involving substantial data processing and analysis * Ability to quickly understand and navigate complex systems and existing codebases * Desire to work on mission-critical software with real-world impact * Experience making impactful architectural decisions, evaluating tradeoffs, and engaging in technical discussions with peers * Active U.S. Top Secret security clearance, with ability to maintain it PREFERRED QUALIFICATIONS * Experience developing and testing multi-agent autonomous systems and deploying them in operational environments * Feature and algorithm development with familiarity in behavior trees * Experience with distributed communication networks and messaging standards * Knowledge of military systems and operational tactics * Experience mentoring junior engineers * Demonstrated experience architecting complex software systems BENEFITS Healthcare Benefits * US: Comprehensive medical, dental, and vision plans at little to no cost to employees * UK & AUS: Full coverage of medical insurance premiums for employees and dependents * IE: Annual contribution toward private health insurance Additional Benefits * Income protection via employer-covered life and disability insurance * Generous PTO, including a December holiday hiatus; caregiver and wellness leave * Family planning & parenting support, including fertility treatments, adoption, and gestational carrier benefits * 24/7 access to mental health resources, along with financial and legal support services * Annual reimbursement for professional development * Company-funded commuter benefits (region-dependent) * Relocation assistance (role-dependent) Retirement / Pension Plans * US: 401(k) options including traditional, Roth, and after-tax (mega backdoor Roth) * UK & IE: Employer-matched pension plans * AUS: Superannuation plan