Senior Software Engineer - C++/Java - Active Secret clearance

gdms· Engineering-Software
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📍 Manassas, VA, USOTHER

About this role

Basic Qualifications

Requires a Bachelor’s degree in Software Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 5+ years of job-related experience, or a Master's degree plus 3 years of job-related experience. Agile experience preferred.  

 

CLEARANCE REQUIREMENTS: Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required.

Must work onsite and be local to the area. 

Responsibilities for this Position

At General Dynamics Mission Systems, we build advanced technologies that keep our nation safe and our warfighters prepared. Our engineers tackle some of the most complex and consequential challenges in defense, delivering solutions that redefine innovation and make a real impact on national security. Now, we're looking for talented Software Engineers to be part of something extraordinary.

The SLCM-N program is a brand-new capability being developed to strengthen the United States Navy's strategic deterrence mission. This is a rare opportunity to get in on the ground floor of a high-impact program and help shape its future from day one.

You'll work alongside a close-knit, mission-driven team to design, develop, and test software for a system that truly matters. If you want your work to make a real difference for national security, this is where you belong.

Key Responsibilities:

  • Provide senior technical expertise and guidance for SLCM-N software architecture and development
  • Contribute to architectural standards, technical roadmaps, and design decisions for networking and distributed systems
  • Implement and optimize networking solutions for mission-critical systems
  • Mentor and guide teams of engineers in software development, testing methodologies, and system integration practices
  • Serve as senior technical expert for SLCM-N and cross-functional software integration
  • Lead resolution of highly complex software and networking issues with significant system-wide impact
  • Collaborate on complex software integration and issue resolution
  • Conduct thorough technical reviews and drive continuous improvement of software development practices
  • Support program reviews, customer engagements, and technical planning activities
  • Evaluate emerging technologies and provide recommendations for SLCM-N capabilities

We encourage you to apply if you have any of these preferred skills or experiences:

  • 5+ years of software development experience; proficiency in C++ a strong plus
  • Extensive experience designing and implementing networking protocols, socket programming, and distributed communication systems
  • Familiarity with Linux environments, system-level programming, and Bash scripting
  • Proven experience with Agile/SAFe methodologies in large-scale development environments
  • Advanced knowledge of the Qt Framework
  • Strong background in containerization and orchestration technologies (Kubernetes and Docker)
  • Expert-level Git workflow design and branching strategies for large-scale development teams
  • In-depth understanding of Submarine Warfare Federated Tactical Systems (SWFTS) architecture and integration
  • Comprehensive knowledge of submarine systems, operations, and tactical mission requirements
  • Experience with real-time systems, embedded programming, and performance optimization
  • Active secret security clearance

 

What sets you apart:

  • Strong knowledge of software engineering principles, distributed systems architecture, and networking protocols
  • Proven track record of contributing to large-scale technical initiatives and delivering complex systems
  • Recognized technical expert with ability to influence and guide architectural discussions
  • Strong leadership skills with demonstrated success in mentoring engineers and fostering team excellence
  • Strategic thinker who balances technical rigor with mission requirements and customer needs
  • Excellent communication skills with ability to articulate complex technical and networking concepts to all stakeholders
  • Commitment to fostering innovation, continuous improvement, and technical excellence
  • Identifies opportunities to apply AI for continuous improvement and innovation

Our Commitment to You:

  • An exciting career path with opportunities for continuous learning and development. 
  • Research oriented work, alongside award winning teams developing practical solutions for our nation’s security
  • Flexible schedules with every other Friday off work, if desired (9/80 schedule)
  • Competitive benefits, including 401k matching, flex time off, paid parental leave, healthcare benefits, health & wellness programs, employee resource and social groups, and more
  • See more at gdmissionsystems.com/careers/why-work-for-us/benefits

 

Workplace Options:This position is fully on-site.While on-site, you will be a part of the Progeny Manassas, VA facility.  

#CJ2

Salary Note

This estimate represents the typical salary range for this position based on experience and other factors (geographic location, etc.). Actual pay may vary. This job posting will remain open until the position is filled.

Combined Salary Range

USD $112,924.00 - USD $125,275.00 /Yr.

Company Overview

General Dynamics Mission Systems (GDMS) engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation. With a global team of 12,000+ top professionals, we partner with the best in industry to expand the bounds of innovation in the defense and scientific arenas. Given the nature of our work and who we are, we value trust, honesty, alignment and transparency. We offer highly competitive benefits and pride ourselves in being a great place to work with a shared sense of purpose. You will also enjoy a flexible work environment where contributions are recognized and rewarded. If who we are and what we do resonates with you, we invite you to join our high-performance team!

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

Frequently Asked Questions

Is the salary disclosed for the Senior Software Engineer - C++/Java - Active Secret clearance position at gdms?
The salary for this Senior Software Engineer - C++/Java - Active Secret clearance role at gdms is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Senior Software Engineer - C++/Java - Active Secret clearance position at gdms located?
This Senior Software Engineer - C++/Java - Active Secret clearance role at gdms is based in Manassas, VA, US. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Senior Software Engineer - C++/Java - Active Secret clearance role at gdms full-time or part-time?
This is listed as a OTHER position. It is posted as a Senior Software Engineer - C++/Java - Active Secret clearance role in the Engineering-Software department at gdms.
Which team or department does the Senior Software Engineer - C++/Java - Active Secret clearance at gdms belong to?
This Senior Software Engineer - C++/Java - Active Secret clearance position is part of the Engineering-Software department at gdms. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Senior Software Engineer - C++/Java - Active Secret clearance position at gdms?
Click the "Apply Now" button on this page. You will be redirected to gdms's official application portal hosted on icims where you can submit your application directly.
When was the Senior Software Engineer - C++/Java - Active Secret clearance job at gdms posted?
This Senior Software Engineer - C++/Java - Active Secret clearance position at gdms was posted on Jun 9, 2026. Apply as soon as possible — early applications are often reviewed first.
Senior Software Engineer - C++/Java - Active Secret clearance
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