Senior Information Systems Specialist in Annapolis Junction, Maryland at Mission Systems

Senior Information Systems Specialist

ID: 2026-73607
US-MD-Annapolis Junction US-MD-Annapolis Junction
Required Clearance: TS/SCI with Polygraph
Posted Date: 7/21/2026
Category: Information Technology
Employment Type: Full Time
Hiring Company: General Dynamics Mission Systems, Inc.
Basic Qualifications

Education Requirements:

Bachelor's degree in a specialized area or equivalent relevant experience is required; plus, a minimum of 2 years of relevant experience; or Master's degree.

Clearance Requirements:
Department of Defense TS/SCI with Poly 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

Imagine building your career by developing the solutions that support the mission of our nation’s service members, intelligence analysts and first responders. That’s the challenge that’s waiting for you at General Dynamics Mission Systems. Here you have the opportunity to redefine innovation and excellence for the world. Are you ready? Then make a career move that makes an impact at General Dynamics Mission Systems.

We apply advanced technologies such as Artificial Intelligence, Blockchain, AR/VR, Cloud Native and Quantum Physics to solve our customers’ missions in cyber, RF, undersea, interstellar and everything in between.

As the Senior Information Systems Specialist, you’ll perform IT functions such as design, analysis, evaluation, testing, debugging and implementation of applications programs supporting company business processes and operations. You’ll also analyze, install, acquire, modify and support operating systems, database or utilities software. Basically, you’ll plan, conduct and direct the analysis of business problems to be solved with automated systems.

With a focus on Systems Administration, we’ll expect you to oversee Red Hat LINUX, UNIX, or Windows OS command line administration along with Trusted Network Environment (TNE) Pitbull command level administration. You’ll also manage command line troubleshooting of OS and associated hardware/software.

As the Senior Information Systems Specialist, you’ll also focus on System Networking, which will include providing day-to-day communication/network security operation and maintenance of multiple secure network infrastructures. Essentially, you’ll troubleshoot network architectures consisting of multilevel access and multilevel security platforms supporting both CONUS and OCONUS sites. We’ll require you to configure, install, and troubleshoot Cisco routers, switches, VOIP systems, video teleconferencing, and various other network and telecommunication components. You’ll also troubleshoot and/or install 10/100/1000 Base T and fiber optic wiring as needed in support of network systems.

What you’ll experience:

• Technologies that aren’t just top-notch, they’re often top-secret
• A team of bold thinkers committed to exploring what’s next
• Opportunities to gain new knowledge - as it’s discovered

What you bring to the table:

• Bachelor’s degree in a specialized area; or equivalent is required plus a minimum of 2 years of relevant experience; or Master's degree
• Hands on experience with UNIX/LINUX
• Clear understanding of routing protocols, TCP/IP protocols, security requirements and network communications

What sets you apart:

• Developing familiarity with applicable DISA, IC, and coalition security requirements documents such as STIGS
• Clear understanding of CISCO Routers, Switches, WAN Protocols (EIGRP), QOS, LAN and Data Center Protocols (Spanning -Tree, Fabric-enabled technologies, VoIP to support Data, Voice and Video)
• Clear understanding of VTC systems to include Tandberg and Polycom
• General familiarity with DMVPM
• Hands-on configuration experience with KG-175’s
• Identifies opportunities to apply AI for continuous improvement and innovation

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 $102,287.00 - USD $110,678.00 /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#