Software Engineer

Senior Software Engineer – Defense & Mission Systems C#, .NET U.S. Remote or On-Site (MO)

Are you a seasoned software engineer driven by purpose and ready to shape the future of national defense systems? Join a cutting-edge mission systems team supporting the U.S. military’s most advanced fighter platform.

We’re seeking a Senior Software Engineer with a strong foundation in C#/.NET, modern architectural patterns, and frontend technologies like React/TypeScript. This role focuses on developing next-generation mission planning software that will directly impact the Department of Defense’s air dominance strategies for the next 30+ years.

Location: Berkeley, MO (on-site or hybrid options)

Full-time 1st Shift U.S. Citizenship Required

Security Clearance: Must be eligible for U.S. Secret Clearance

What You’ll Be Doing:

Build and maintain enterprise-grade mission planning software with a long-term impact on U.S. defense operations

Support full software lifecycle: architecture, development, testing, integration, and maintenance

Translate complex user requirements into scalable solutions using microservices, REST APIs, and modern SPA frameworks

Collaborate in a large-scale Agile team-of-teams environment across multiple engineering functions

Troubleshoot and optimize performance issues in production-grade systems

Contribute to process improvement, technical documentation, and version control best practices

What You Bring:

9+ years of hands-on software development experience

Expertise in C#, .NET, and version control systems (Git, Bitbucket)

Familiarity with modern design patterns including microservices, monorepos, RESTful architecture, and cloud-native practices

Strong front-end development skills in TypeScript, ReactJS, Redux

Ability to collaborate cross-functionally in high-stakes, regulated environments

Must be a U.S. Citizen and eligible for Secret Security Clearance

Nice-to-Haves:

Experience with military or mission planning systems

Familiarity with software testing frameworks, DevSecOps pipelines, or cloud integrations

Background working on projects requiring strict compliance or regulated defense protocols

What’s in It for You:

Competitive compensation range: $127,000 – $142,500

Full benefits package including health, dental, vision, disability, life insurance, and retirement savings plans

Paid holidays, PTO, and flexible time off

Opportunities to contribute to projects that shape the future of aerospace and defense

Work with an agile, mission-focused team backed by decades of technical excellence

Apply by May 31, 2025. Help define the future of national security with innovative software that matters.

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