Job Description

🚀 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.

#SeniorSoftwareEngineer #CSharpJobs #MissionPlanning #DefenseTech #ReactJS #AgileJobs #SecretClearance #DotNetDeveloper #FullstackEngineer #SoftwareCareers

Job Tags

Similar Jobs