Artificial Intelligence (AI), Communication Skills, Communications Security (COMSEC), CompTIA Security+, Computer Networks, Continuous Improvement, Cross-Functional, Cryptography, Customer Support/Service, Defense Information Systems Agency (DISA), Detail Oriented, DoD Clearance, DoD Directive 8140, DoD Directive 8570, Documentation, Electrical Wiring, IAT - Information Assurance Technical, IP (Internet Protocol) Routing, Identify Issues, Information Technology & Information Systems, Network Administration/Management, Network Configuration Management, Network Monitoring, Network Performance/Analysis, Network Protocols, Network Routers, Network Security, Network Support, Network Switching, Network System Hardware, Network Systems, Operations Security (OPSEC), Performance Analysis, Performance Metrics, Problem Solving Skills, Security Clearance, TCP/IP (Transmission Control Protocol/Internet Protocol), Team Player, Technical Support, Testing, United States Citizen, VoIP (Voice over IP), Wide Area Network (WAN)
Responsibilities for this Position
Junior Network Administrator
ID: 2026-72839
US-TX-San Antonio
Required Clearance: TS/SCI
Posted Date: 6/1/2026
Category: Engineering-Other
Employment Type: Full Time
Hiring Company: General Dynamics Mission Systems, Inc.
Basic Qualifications
Associate's degree in related discipline or equivalent combination of education and relevant work experience is required plus a minimum of 3 years of relevant experience.
CLEARANCE REQUIREMENTS: Ability to obtain a Department of Defense TS/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: Join our team as a Junior Network Administrator for Space, Cyber and Intelligence Systems! You'll work alongside experienced network and IT professionals supporting enterprise network infrastructure, secure communications, and network security operations. This is a great opportunity to build foundational skills in a dynamic and mission-critical environment.
What You'll Experience:
- Hands-on work with routers, switches, and network infrastructure installation and configuration.
- Supporting secure network operations including COMSEC and encryption systems.
- Engaging with cross-functional IT and engineering teams to resolve network issues and support continuous improvement.
- Monitoring network performance metrics and assisting with troubleshooting across LAN/WAN environments.
- Contributing to documentation, test procedures, and network configuration records.
- Providing responsive customer service and technical support to internal stakeholders.
What You Bring to the Table:
- Basic understanding of TCP/IP protocols, routing protocols, and network communications.
- Developing familiarity with networking equipment (routers, switches, VoIP, VTC systems).
- Ability to troubleshoot 10/100/1000 Base T and fiber optic wiring in support of network systems.
- Developing familiarity with network monitoring tools and reporting technologies.
- Developing familiarity with DISA STIGs and applicable security requirements.
- Active DoD Security Clearance required (level TBD based on program requirements).
- A minimum of an IAT Level II (DoD 8570/8140.01) certification required or ability to obtain within 6 months of hire (e.g., CompTIA Security+).
What Sets You Apart:
- Hands-on experience or coursework in network administration, IT systems, or a related technical field.
- Developing familiarity with COMSEC standards, encryption systems, or secure network environments.
- Strong attention to detail and a proactive approach to problem-solving.
- Excellent communication and collaborative skills across technical and non-technical teams.
- Demonstrated ability to identify opportunities to apply AI tools for continuous improvement.
Our Commitment to You:
- Continuous learning and development opportunities.
- Working with award-winning teams on impactful research projects.
- Competitive benefits including 401k matching, flex time off, healthcare, and wellness programs.
- A supportive and engaging work environment with various employee resource groups.
Workplace Options:
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 $33.66 - USD $36.10 /Hr.
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
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