Senior Software Engineer, Nix

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century’s most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril’s family of systems is powered by Lattice OS, an AI‑powered operating system that turns thousands of data streams into a realtime, 3D command and control center. As the world enters an era of strategic competition, Anduril is committed to bringing cutting‑edge autonomy, AI, computer vision, sensor fusion, and networking technology to the military in months, not years.

About the Job

Senior Software Engineer – design, improve, and maintain the core package set that supports software distribution throughout Anduril. This involves creating internal tooling, establishing standards, planning architectural changes, and supporting users of the package set. You provide expertise for the usage of Nix at a large scale and assist in training other engineers. You operate autonomously with limited oversight in a complex environment and break down intricate problems into simple solutions.

What You’ll Do

• Maintain an internal package set to enable software distribution across the company for development, hosted services, and embedded devices
• Package open‑source and proprietary software components using Nix
• Improve developer ergonomics by defining Nix usage standards, creating tooling support, and integrating with developer workflows
• Provide assistance, training, and mentorship to other team members

Required Qualifications

• Proficiency with Nix, Nixpkgs, NixOS, and functional programming generally
• Deep understanding of how build systems and packaging ecosystems work
• Ability to dive into large and complicated systems, and use Nix to improve them
• Experience with one or more of the following languages: Rust, C++, Go, Python, Haskell
• Eligible to obtain and maintain an active U.S. Secret security clearance

Preferred Qualifications

• Experience with managing cloud computing resources (e.g., AWS)
• Experience with modern build and deployment tooling, and continuous integration (e.g., NixOS, Terraform)Experience designing complex software systems, and iterating upon designs via a technical design review process
• Familiarity with industry‑standard monitoring, logging, and data management tools and best practices
• A bias towards rapid delivery and iteration

US Salary Range

$191,000—$253,000 USD

Healthcare Benefits

• US roles: comprehensive medical, dental, and vision plans at little to no cost
• UK & AUS roles: full cost of medical insurance premiums covered
• IE roles: annual contribution toward private health insurance

Additional Benefits

• Income protection – life and disability insurance for all employees
• Generous time off – PTO plans with a holiday hiatus in December, caregiver & wellness leave available
• Family planning & parenting support – coverage for fertility treatments, adoption, and gestational carriers, plus resources to support you and your partner
• Mental health resources – free 24/7 access to therapy, life coaching, legal and financial support services
• Professional development – annual reimbursement
• Commuter benefits – company‑funded commuter benefits based on your region
• Relocation assistance – available depending on role eligibility

Retirement Savings Plan

• US roles: traditional 401(k), Roth, and after‑tax (mega backdoor Roth) options
• UK & IE roles: pension plan with employer match
• AUS roles: superannuation plan

The recruiter assigned to this role can share more information about the specific compensation and benefit details associated with this role during the hiring process.

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