Linux System Administrator (Service Desk) jobs in United States
cer-icon
Apply on Employer Site
company-logo

General Dynamics Mission Systems · 11 hours ago

Linux System Administrator (Service Desk)

positionSan Antonio, TX
timeFull-time
remoteOnsite
senioritySenior Level
money$106K/yr - $114K/yr
date5+ years exp

General Dynamics Mission Systems is a leader in high technology solutions for defense and scientific operations. They are seeking a Linux Systems Administrator (Service Desk) to manage enterprise systems, provide customer support, and work with specialized Linux OS environments.

AerospaceBusiness Information SystemsInformation ServicesInformation TechnologyNational SecuritySensor
badNo H1BnoteSecurity Clearance RequirednoteU.S. Citizen Onlynote

Responsibilities

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

Qualification

Red Hat LinuxOS troubleshootingSecurity Technical Implementation GuidesAnsibleIAT Level II certificationCustomer service orientationAttention to detailProblem-solving skillsCollaborative approach

Required

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
This position requires a minimum of an active TS/SCI clearance
Must be willing and able to obtain a polygraph within 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
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
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

Preferred

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
Use of Ansible, Satelite, Ansible Tower/Ansible Automation Platform (AAP)
Strong customer service orientation

Benefits

401k matching
Flex time off
Healthcare
Wellness programs

Company

General Dynamics Mission Systems

twittertwittertwitter
Glassdoor3.9
company-logo
General Dynamics Mission Systems designs and delivers critical systems and products for defense and cybersecurity customers. It is a sub-organization of General Dynamics.
dateFounded in 1952
location
Fairfax, Virginia, USA
people-size10001+ employees
web-link
https://gdmissionsystems.com

Funding

Current Stage
Late Stage

Leadership Team

leader-logo
Bo Elam
VP and CFO
linkedin
leader-logo
Scott Butler
Senior Vice President Program Execution
linkedin

Recent News

Washington Technology
A pair of transitions at the top and more leadership moves across the market
2026-01-17
PR Newswire
2025 Info-Tech Awards: Top IT Leaders and Innovators Honored in Info-Tech Research Group's Global Awards Program
2025-11-13
Kymeta Corporation
Kymeta Appoints Experienced Defense Executive, Manny Mora, as CEO to Advance Mobile Satcom Innovation for National Security Missions
2025-11-10
Company data provided by crunchbase