Job Description
Responsibilities for this Position
Linux System Administrator ID: 2025-69592
USA-TX-San Antonio
Required Clearance: TS/SCI with Polygraph, obtainable within reasonable time based on requirements
Posted Date: 12/8/2025
Category: Engineering-Other
Employment Type: Full Time
Hiring Company: General Dynamics Mission Systems, Inc.
Basic Qualifications Bachelor's degree in a specialized area; or equivalent is required plus a minimum of 5 years of relevant experience; or Master's degree plus a minimum of 3 years of relevant experience.
CLEARANCE REQUIREMENTS: Department of Defense TS/SCI security clearance is required at time of hire with the ability to obtain a Polygraph within a reasonable amount of time. 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 Linux System Administrator for Space, Cyber and Intelligence Systems! You'll work with a diverse team managing enterprise systems, specialized Linux OS, cross-domain solutions, and boundary devices. Relocation assistance is available.
What Youll Experience:
Hands-on work with RedHat Linux, system/server builds, and advanced troubleshooting.Engaging with cross-domain and boundary device solutions.Providing top-notch customer service.Managing enterprise-level solutions and re-imaging workstations, servers, and peripherals.What You Bring to the Table:
Strong experience with Red Hat LINUX command line administration.Proficiency in OS and hardware/software troubleshooting.Ability to apply Security Technical Implementation Guides (STIGs) and address vulnerabilities.Experience in managing cross-domain solutions.Active TS/SCI Clearance.A minimum of a IAT Level II (DoD 8570/8140.01) certification is required at time of hire: e.g. CompTIA Security+, GSEC, SSCP, and CCNA-Security
What Sets You Apart:
Expertise in re-imaging both physical and virtual servers.Exceptional attention to detail and problem-solving skills.A proactive and collaborative approach to team projects.Strong customer service orientation.
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:
This position is fully on-site at the GDMS San Antonio location. Learn more about the location here:
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 $103,254.00 - USD $111,724.00 /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
PI280453632
Job Tags
Full time, Relocation package, Flexible hours,