Sr Principal Systems Engineer (TS/SCI Required)
General Dynamics Mission Systems
Annapolis Junction, MD · Posted October 6, 2026
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Where Annapolis Junction, MD ranks
Where Annapolis Junction, MD placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #15Best cities for software and engineering jobs in the Mid-Atlantic147 openings · of 68
- #17Best cities for mid-career professionals in the Mid-Atlantic60% · of 85
- #20Best cities for mid-career professionals60% · of 100
- #24Best cities for junior jobs in the Mid-Atlantic33% · of 85
- #25Best cities for AI-skill jobs in the Mid-Atlantic9% · of 85
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
- Most requested AI skills in engineering jobs #1 AI tools in daily work (6.1%)
- AI tools named most often in engineering jobs #1 Claude (1.7%)
- Employers with the most engineering jobs #1 Amazon (2,992 roles)
How AI is used in this kind of work
Among computer occupations, all other, AI is already used for a large share of the tasks. Measured exposure for computer occupations, all other: 31% (high).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
Skills this job asks for
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About the job
Basic Qualifications
Bachelor's degree in Systems Engineering, or a related Science, Engineering or Mathematics field, plus a minimum of 10 years of relevant experience; or Master's degree, plus a minimum of 8 years of relevant experience.
CLEARANCE REQUIREMENTS: Department of Defense Top Secret/SCI 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:
Sign-on bonus and relocation available.
Apply your RF and SATCOM expertise to keep mission-critical antenna systems operating reliably across program locations. You will support equipment selection and procurement, installation, integration, and customization while providing hands-on troubleshooting, repair, preventive maintenance, and corrective maintenance. Working closely with the Technical Support team, you will use continuous-monitoring feedback to coordinate spares, resources, maintenance priorities, and field activities, helping ensure seamless mission support. When needed, you may also augment broader Technical Support field tasking. The ideal candidate offers strong antenna-system diagnostics, practical RF/SATCOM experience, sound technical judgment, and the flexibility to respond to complex field issues in a collaborative, mission-focused environment.
What sets you apart:
Creative thinker with demonstrated success leading the systems development life cycle
Collaborative team player eager to provide technical leadership and position others for success
Exceptional communication, presentation, and influence management skills, with notable record of securing buy-in on concepts and ideas
Experienced in the art of negotiation with ability to meet challenging customer requirements with win-win solutions
Commitment to ongoing professional development for yourself and others
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 role will require travel of 30% to 50% based on work location and business needsThis position is fully remote/telework, fully on-site, OR Hybrid/Flex as desiredWhile on-site, you will be a part of the Annapolis Junction, or San Jose, CA site
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 $183,371.00 - USD $203,428.00 /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