Advanced Software Engineer (C++, Java) in Manassas, Virginia at Mission Systems

Advanced Software Engineer (C++, Java)

ID: 2026-74657
US-VA-Manassas
Required Clearance: Secret
Posted Date: 10/14/2026
Category: Engineering-Software
Employment Type: Full Time
Hiring Company: General Dynamics Mission Systems, Inc.
Basic Qualifications

Bachelor's degree in Software Engineering, or related Science, Technology, Engineering or Mathematics field, plus a minimum of 5 years of relevant experience; or Master's degree, plus 3 years relevant experience.

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.

Responsibilities for this Position

ROLE AND POSITION OBJECTIVES:

As a Software Engineer, you will join a cross-functional team developing and integrating mission-critical software for U.S. Navy submarine and surface platforms. You will contribute throughout the software lifecycle, including design, implementation, testing, integration, and issue resolution.

Responsibilities

• Develop and maintain production-quality software using C++, Qt, Java, or Python.
• Implement software components from system and interface requirements.
• Integrate distributed applications using APIs, AMQP, gRPC, Protocol Buffers, and data-driven interfaces.
• Develop and troubleshoot software in Linux environments, preferably Red Hat Enterprise Linux.
• Containerize and deploy applications using Docker or Podman.
• Write unit and integration tests and support formal system testing.
• Diagnose software, networking, data, and integration issues in laboratory environments.
• Participate in code reviews, design discussions, Agile planning, and technical meetings.
• Maintain software documentation and follow configuration-management and secure-coding practices.
• Identify appropriate uses of approved AI tools to improve software quality and engineering productivity.

What Sets You Apart

• Strong C++ development fundamentals and experience with object-oriented design.
• Experience with Qt, Java, Python, Linux, or distributed software systems.
• Familiarity with AMQP, gRPC, Protocol Buffers, containerization, Kubernetes, or Helm.
• Experience with Git, automated testing, CI/CD, and Agile development.
• Ability to learn complex systems and interfaces quickly.
• Strong problem-solving, communication, and teamwork skills.
• Experience with Navy, tactical, combat-system, or other mission-critical software.

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 team

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 $124,216.00 - USD $137,803.00 /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

#GDMS-US#