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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Information Systems Specialist - **Company:** General Dynamics Mission Systems, Inc. - **Location:** Annapolis Junction, MD, United States - **Experience:** Expert - **Salary:** $102,287.0 - $110,678.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Artificial Intelligence, Software Applications, VoIP, Unix, Cisco Routers, Command-Line Interface, Information Systems, Computer Networks, Databases, System Configuration, Data Centers, Software Debugging, Enhanced Interior Gateway Routing Protocol, Local Area Networks, Network Security, Network Architecture, Routing, Red Hat Enterprise Linux, TCP/IP, Wide Area Networks, Computer Networking Systems, Internet Protocol Telephony - **Published:** July 23, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=b9791d2c9b5ca8ae ## About the Role 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., 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., * 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, * 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 ## Description 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 ## Related Videos - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [WeAreDevelopers LIVE - Node and Package Security](https://www.wearedevelopers.com/videos/2138-wearedevelopers-live-node-and-package-security) - [Getting under the skin: The Social Engineering techniques](https://www.wearedevelopers.com/videos/38-getting-under-the-skin-the-social-engineering-techniques) - [Turning Container security up to 11 with Capabilities](https://www.wearedevelopers.com/videos/718-turning-container-security-up-to-11-with-capabilities) - [Remote Driving on Plant Grounds with State-of-the-Art Cloud Technologies](https://www.wearedevelopers.com/videos/251-remote-driving-on-plant-grounds-with-state-of-the-art-cloud-technologies) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [System change: restart as developer?](https://www.wearedevelopers.com/magazine/39-system-change-restart-as-developer) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers)