Linux Systems Administrator
$148.75k - $201.25kGeneral Dynamics Information Technology
Systems Administrator SMEAdvance 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 IMPACT As 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 DegreeExperience: 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 protocolsSecurity clearance level: Active TS/SCI w/ Polygraph US citizenship requiredGDIT IS YOUR PLACE 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 workplaceOWN 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.The likely salary range for this position is $148,750 - $201,250. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.Scheduled Weekly Hours: 40Travel Required: NoneTelecommuting Options: OnsiteWork Location: USA MD Annapolis JunctionAdditional Work Locations:Total Rewards at GDIT: Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.Our Identity Verification Process: As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.About Our Work: We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development.Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans
$185k - $200k
Red Arch Solutions is hiring a System Administrator on a priority program in Annapolis Junction, MD. The System Administrator shall be responsible for providing support for a large-scale Linux system including installation of COTS/GOTS/FOSS software, day-to-day operations...Suggested$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- ...The Johns Hopkins University Applied Physics Laboratory is seeking a Linux System Administrator to join the RF Engineering group. In this role, you will manage and secure Linux systems within classified environments. Your responsibilities will include maintaining infrastructure...Suggested
- Computer Technologies Consultants (CTC) is seeking a Linux System Administrator to support the Intelligence Community in Laurel, MD.With offices in Washington DC and San Diego, CA, CTC is a leading technology company providing lifecycle IT, data analytics, cloud managed...Full timeLocal area
- ...Themis Insight seeks a Principal Systems Administrator (Linux) in Laurel, MD. You will lead Linux administration across OpenStack, AWS, and VMWare platforms, focusing on VM management, security, and DevOps tasks in a customer-facing environment. Ideal candidates have...
- ...CACI International Inc seeks a Systems Administrator 3 to join our Infrastructure team, supporting Linux VMs across OpenStack, AWS, and VMware environments. You will manage VM health, certificate lifecycle, and software updates while aligning with security requirements...
$100k - $200k
...System Administrator (Linux / HPC)Know your job match score, get recommended jobs and connect with recruiters looking for talent like you! Log in or create your free profileAnnapolis Junction, MD Bluffdale, UT Top Secret/SCI Full Scope Polygraph Mid Level Career (5+ yrs...Immediate start$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$116.35k - $210.33k
Leidos has a new and exciting opportunity for a Senior Linux Systems Administrator in our Intelligence Sector, Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical...Full timeImmediate startFlexible hours$146k - $234k
...Senior Cloud & Distributed Systems EngineerWe are seeking a highly skilled Senior Cloud... ...availability.This is not a traditional system administration role — it is a reliability-focused... ...ResponsibilitiesAdminister and optimize enterprise Linux systems across large distributed...Contract workShift work$128k - $214.4k
...Linux System AdministratorUnlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security... ...seeks a motivated, career and customer-oriented Linux System Administrator to join our team in Laurel, MD.You will be part of a dedicated...Hourly payContract workTemporary workWork experience placementWork at officeLocal areaRemote work$92.3k - $166.85k
...Intelligence Community customers as they address evolving national security challenges.About the OpportunityLeidos is seeking a Linux Systems Administrator - Quality Assurance to support Linux-based environments that enable mission-critical testing, validation, and operational...Full time$105k
...Linux Systems AdministratorDo you thrive in and love a fast-paced, dynamic classified environment? Do you love to [area of expertise]... ...to Work in IT for 6 years running, and seek a Linux Systems Administrator with experience working in a classified environment to join...Temporary workWork experience placementRelocation packageFlexible hours- Constellation Technologies, Inc is seeking a Senior IT Systems Administrator with a TS/SCI clearance and active polygraph. The role supports federal... ...and Hawaii. Eligible candidates must be US citizens with Linux administration, networking basics, SSH, and scripting...Contract work
$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- ...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
- ...Job Description Job Description Linux System Administrator III Omega Enterprise Solutions is a Maryland-based, Service-Disabled Veteran-Owned Small Business (SDVOSB) with a special focus on the U.S. Department of Defense (DoD) and Intelligence Community (IC) mission...
$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$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...Contract workWork experience placementLocal area$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$150k - $190k
...Job Description Job Description 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...- At CACI, we seek a senior Virtual Desktop Infrastructure Administrator with strong Linux knowledge to lead and support high-assurance IT environments, including UNIX, Linux, and Windows systems. The role requires TS/SCI with Poly, a technical degree, and extensive ITSM...
$148.3k - $266.9k
...Description:Parsons is looking for a talented and fully cleared Systems Administrator to join our growing team! This role is supporting a highly... ...cybersecurity engineers and analysts as a one-stop-shop for Linux systems administration.What You'll Be Doing:Support and...Full timeFlexible hours$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...- 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
- Booz Allen Hamilton is seeking a System Administrator to design, deploy, and maintain Cross Domain Solutions for a DoD enterprise environment... ...teammates and leading modernization efforts. The role requires Linux expertise, DoD 8570.1 IAT II readiness, and a TS/SCI...
$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$159k - $188k
...ACTIVE SECURITY CLEARANCE AT THE TS/SCI POLYGRAPH LEVEL IS REQUIRED We are looking for an innovative, motivated Linux Systems Administrator Automation Engineer to join a small, tight-knit, and talented team operating in a hybrid cloud environment. In this role...Hourly payContract workWork experience placementImmediate startFlexible hours
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