Linux System Administrator (Service Desk)

Responsibilities for this Position

Linux System Administrator (Service Desk)

ID: 2026-70465
USA-TX-San Antonio
Required Clearance: TS/SCI with Polygraph, obtainable within reasonable time based on requirements
Posted Date: 1/29/2026
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:

This position requires a minimum of an active TS/SCI clearance. Must be willing and able to obtain a polygraphwithin a reasonable amount of time after hire, with acceptable timing determined by manager. 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 Systems Administrator (Service Desk) 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 in your user facing role.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.Active Top Secret with SCI eligibility

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.Expertise in re-imaging both physical and virtual servers.Use of Ansible, Satelite, Ansible Tower/Ansible Automation Platfrom (AAP)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.

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

Workplace Options:

This position is fully on-site at our San Antonio Texas location.

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 $105,814.00 - USD $114,494.00 /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

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General Dynamics Mission Systems is a technology integrator and original equipment manufacturer that provides mission critical solutions across ground, sea, air, space and cyberspace.

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