Linux Systems Administrator
General Dynamics Information Technology
Public Trust: None
Requisition Type: Regular
Your Impact
Own your opportunity to serve as a critical component of our nation’s safety and security. Make an impact by using your expertise to protect our country from threats.
Job Description
SYSTEMS ADMINISTRATOR SME
Advance how our customers operate while you advance your career. Join GDIT as a Systems Administrator SME and build an impactful career in enterprise IT, collaborating with people who are driven and resourceful like you. MEANINGFUL WORK AND PERSONAL IMPACTAs a Systems Administrator SME, the work you’ll do at GDIT will be impactful to the mission of the US Department of War. WHAT YOU’LL NEED TO SUCCEED
Bring your technology expertise and drive for innovation to GDIT. The Systems Administrator SME must have:
● Education: Technical Training, Certification(s) or Degree
● Experience: 10+ years of related experience with a
● Technical skills:
Knowledge of Linux and Windows operating systems and command-line interface (CLI)
Some familiarity in scripting languages (e.g Bash, PowerShell)
Experience with system automation tools (e.g. Active Directory, Group Policy for Windows)
Knowledge of network protocols and services (e.g. TCP/IP, DNS, DHCP)
Familiarity with virtualization technologies (e.g. VMWare, KVM, Docker for Linux; Hyper V, VMWare for Windows
Some experience with monitoring and logging tools (e.g. Splunk, Zabbix, ELK)
Understanding of security best practices and protocols
● Security clearance level: Active TS/SCI w/ Polygraph
● US citizenship required
At GDIT, the mission is our purpose, and our people are at the center of everything we do.
● Growth: AI-powered career tool that identifies career steps and learning opportunities
● Support: An internal mobility team focused on helping you achieve your career goals
● Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off
● Community: Award-winning culture of innovation and a military-friendly workplace OWN YOUR OPPORTUNITY
Explore an enterprise IT career at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.
#IntelligenceEngineered
#MD_2026Alumni
#praxisjobsWork Requirements
Years of Experience
10 + years of related experience
* may vary based on technical training, certification(s), or degree
Certification
Security Certified Network Professional (SCNP) | Security Certified Network Professional (SCNP) - Security Certified Network Professional (SCNP)
Travel Required
None
Citizenship
U.S. Citizenship Required
- ...MANTECH seeks a motivated, career and customer-oriented Linux System Administrator to join our team in Laurel, MD. You will be part of a dedicated team delivering enterprise infrastructure capabilities for a global workforce that supports a wide range of national...SuggestedWork at office
$130k - $150k
...SCI with Polygraph is required for this position **Description:Red Arch Solutions is seeking a skilled and detail-oriented Linux System Administrator to join our IT infrastructure team in Annapolis Junction, Maryland. The ideal candidate will have strong experience...Suggested- ...CYBERCORE TECHNOLOGIES TEAM.We are GROWING ! Bring your Technical Capabilities, Enthusiasm, and Team Focus.New Opportunity for a LINUX System Administrator - TS/SCI Poly.Job Responsibilities:Key Responsibilities: Seeking Linux Systems Administrator to join team in support of...Suggested
$116.35k - $210.33k
Linux Systems Administrators / Engineers are needed across several Leidos prime programs in our Intelligence Sector’s Cyber & Analytics Business Area (CABA). Our talented team is at the forefront of Security Engineering, Computer Network Operations (CNO), Mission Software...SuggestedFull timeImmediate startRelocation packageFlexible hours$92.3k - $166.85k
Leidos has a new and exciting opportunity for a Senior Linux Systems Administrator in our Intelligence Sector’s, Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical...SuggestedFull timeImmediate startFlexible hours- ...Job Title Required Skills/Experience: • Linux system administration and integration experience (RHEL, CentOS, Ubuntu) • Cloud services experience (AWS, Azure); services provisioning, management of virtual services, familiarity with vendor Platform as a Service offerings...
$77.6k - $176k
Linux System Administrator, SeniorThe Opportunity:Install systems on dedicated infrastructure, ensure the infrastructure is functional and available, and update and patch critical systems. Provide customers with insight into their network through monitoring and performance...Full timeContract workPart timeWork at officeLocal areaRemote work- ...sponsor an employment Visa. What You’ll Be Doing (We don’t love the bullet points, but we love the work!) As the Linux System Administrator, you'll get to be part of a team responsible for providing support for a large-scale Linux system including installation...Full timeVisa sponsorshipWork visa
$100k - $140k
...college or university. We require 20 years of experience as a systems administrator or engineer on programs and contracts of similar scope, type... ...efforts. We require strong troubleshooting skills in a Linux Red Hat environment. We require experience working with...Full timeWork at office$101k - $129k
...Systems Administrator, Bulk Data Transport Operations Make an Impact Where It Matters Most At Intelliforce, we support mission infrastructure... ...partners. This is a strong fit for someone who enjoys Linux, operational support, and keeping high-availability systems...Full timeFor contractorsImmediate startWorldwideVisa sponsorship$161k - $172k
...Responsibilities : Stand up, configure, and maintain Linux servers. Monitoring and patching/upgrades to standard networking... ...MD Proficient with Linux. Minimum of 3 years Linux system administration experience (within the last 3 years). Proficient with AWS...Full time$130k - $150k
...Polygraph is required for this position ** Description: Red Arch Solutions is seeking a skilled and detail-oriented Linux System Administrator to join our IT infrastructure team in Annapolis Junction, Maryland. The ideal candidate will have strong experience...Full timeContract workWork experience placementLocal area- ...Linux Systems Administrator Quevera is seeking a Linux Systems Administrator with an active TS/SCI clearance with Polygraph to support mission-critical programs in Laurel, Maryland. In this role, you will join an infrastructure team responsible for supporting customer...Temporary work
$150k - $190k
...Summary CTC Group has a new and exciting opportunity for Linux Systems Administrators to maintain and secure Linux-based systems, support Cisco and Palo Alto network infrastructure, automate system administration tasks using Ansible, Bash, and Python, and perform...Full time$119.5k - $275k
Federal HPC Linux System Administrator, (Clearance required TS/SCI with Poly) On-Site, MarylandThis role has been designed as ‘’Onsite’ with an expectation that you will primarily work from an HPE partner/customer office.Who We Are:Hewlett Packard Enterprise is the global...Full timeWork experience placementWork at office$128k - $214.4k
...adventure begins now-unleash your potential with MANTECH! MANTECH is seeking a motivated, career and customer-oriented Linux System Administrator in Laurel, MD. Become an integral part of a diverse team that delivers enterprise infrastructure capabilities for a...Hourly payContract workTemporary workWork experience placementWork at officeLocal areaRemote workShift work$10k
...Job Description Job Description Description: Columbia Technology Partners is seeking a skilled Linux System Administrator to support enterprise infrastructure in a secure, high-performance environment. This role is ideal for a hands-on professional with experience...Temporary workFor contractorsLocal area$105k
...team at APL! We are ranked as one of Computerworld 's Top Places to Work in IT for 6 years running, and seek a Linux Systems Administrator with experience working in a classified environment to join our team and help protect APL's information technology...Temporary workWork experience placementRelocation packageFlexible hours$120k - $240k
...effort to consolidate a diverse set of systems into a new cohesive solution that improves... ...: Work with current owners and administrators to understand existing systems, requirements... ...Skills: Extensive RedHat (RHEL), CentOs Linux, and/or UNIX experience. Experience...Full timeWork at officeFlexible hours$131.3k - $237.35k
Leidos has a new and exciting opportunity for a Principal Linux Systems Administrator in our Intelligence Sector's, Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software...Full timeImmediate startRelocation packageFlexible hours$100k
...Linux System Administrator Are you passionate about shaping secure, IT systems in classified environments? Do you want to influence system improvements, implementation decisions, and the overall security posture of advanced technology systems? If so, we're looking...Interim role$151k - $170k
...active TS/SCI with Polygraph is required for this position **Position OverviewWe are seeking a highly experienced Senior Linux System Administrator / System Engineer to support a high-visibility mission environment within the Intelligence Community. This role requires...$100k
...Description Are you passionate about shaping secure, IT systems in classified environments? Do you want to influence system... ...like you to join our team at APL! We are seeking a Linux System Administrator to join the RF Engineering group to support Hardware-in-the...Temporary workWork experience placementInterim roleRelocation packageFlexible hours- General information Job Posting Title Windows / Linux System Administrator Date Thursday, April 16, 2026 City Annapolis Junction State MD Country United States Working time Full-time Description & Requirements Maximus is seeking...Minimum wageFull timeContract workTemporary workWork experience placement
$115k - $130k
...Linux System Administrator Level 2 Location: Fort Meade, MD Employment Type : Full-Time Clearance: TS/SCI with Full Scope Polygraph Salary Range: $115,000 to $130,000 per year OTA is seeking System Administrators to provide support for implementation,...Full time- ...safety and security. Make an impact by using your expertise to protect our country from threats. Job Description SYSTEMS ADMINISTRATOR SME – LINUX Grow your impact. Grow your career. At GDIT, you’re not just maintaining systems — you’re supporting a mission...Long term contractContract workWork from homeRelocation packageFlexible hours
$155k - $255k
...Description Description: DarkStar Intelligence is seeking a System Administrator Level 2 to support the implementation, troubleshooting, and... ..., planning, installing, configuring, and sustaining Red Hat Linux (RHEL) environments Extensive experience using UNIX/Linux...Local area$100k
Description Are you passionate about shaping secure, IT systems in classified environments? Do you want to influence system... ...someone like you to join our team at APL! We are seeking a Linux System Administrator to join the RF Engineering group to support Hardware‑in‑the...Interim role$151k - $170k
...SCI with Polygraph is required for this position ** Position Overview We are seeking a highly experienced Senior Linux System Administrator / System Engineer to support a high-visibility mission environment within the Intelligence Community. This role requires...Full timeContract workWork experience placementLocal area$98.9k - $148.3k
...employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for... ...a Principal / Sr Principal Computer Systems Analyst (Linux Systems Administrator level 3 or 4) to support information system lifecycle...Full timeRemote workRelocationFlexible hoursShift workWeekend work
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Linux Systems Administrator. Be the first to apply!
- linux administrator Annapolis Junction, MD
- linux engineer Annapolis Junction, MD
- unix linux systems engineer Annapolis Junction, MD
- linux developer Annapolis Junction, MD
- senior linux systems engineer Annapolis Junction, MD
- linux systems administrator Annapolis Junction, MD
- linux technical support Annapolis Junction, MD
- linux support Annapolis Junction, MD
- linux devops Annapolis Junction, MD
- linux Annapolis Junction, MD



