Average salary: $190,115 /yearly
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- ...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...LinuxWork at office
MANTECH
Laurel, MD3 hours ago $130k - $150k
...active TS/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...Linux$87.1k - $157.45k
...lifecycle from concept through sustainmentDevelop and maintain technical documentation and drawing packagesInstall, configure, and manage Linux-based systems (RedHat/CentOS/Rocky)Support and maintain GOTS software solutionsConfigure and manage STE/STN systems in connected and...LinuxFull timeImmediate startFlexible hours- ...THE 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...Linux
$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...LinuxFull timeImmediate startRelocation packageFlexible hours$151k - $170k
**An 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...Linux- ...scope, type, and complexity is required. ~ CompTIA SEC+ (or CISSP) ~ Hands-on experience operating and administration of various Linux OS (i.e. RHEL9, Talos) ~ Experience with building host image templates with automation tools (i.e. Terraform, Packer, SALT,...LinuxWork at office
MANTECH
Laurel, MD3 hours ago - ...MANTECH is seeking a motivated, career-driven, and customer-focused Windows/Linux Systems Administrator to join our team in Hanover, MD . You will play a critical role in supporting the enterprise infrastructure capabilities for a global, mission-focused workforce...LinuxWork at officeRemote work
MANTECH
Hanover, MD3 hours ago $81.6k - $143.87k
...Certified System Administrator• Experience trouble shooting and configuring Transport Layer Security (TLS)• Windows 10/11 administration• Linux networking experience#RMSRM2026Clearance Level: TS/SCI w/Poly SPOther Important Information You Should KnowExpression of Interest:...LinuxFull timeTemporary workWork experience placementWork at officeRemote workFlexible hours- ...Hardware installation and maintenance; File management and system troubleshooting; operating systems (e.g., Windows, Unix/Solaris, LINUX) and storage filers (e.g., NetApp, Isolon); system accreditation support; system configurations, and Vmware virtualization.DoD 8570...Linux
- 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...Linux
$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...LinuxFull timeImmediate startFlexible hours$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...LinuxFull timeContract workPart timeWork at officeLocal areaRemote 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...LinuxFull timeWork experience placementWork at office$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...LinuxFull timeImmediate startRelocation packageFlexible hours- ...is a priority, and your future is our shared goal.______________________________________________________________________The Senior Linux System Administrator supports the implementation, maintenance, and troubleshooting of mission-critical IT systems and infrastructure...LinuxLocal area
Vibrint
Hanover, MD12 days ago - ...; remote manipulation of systems (FTP, mapping drives, share accounts); remote monitoring and administration- Sun Solaris, HP-Unix, Linux, VMS, and Windows operating systems to include shell scripting and XML- Cisco equipment and router operations- Smart data tagging; virtual...LinuxRemote work
- ...are unable to 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...LinuxFull timeVisa sponsorshipWork visa
GIGATEC Engineering
Annapolis Junction, MDmore than 2 months ago - ...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)...Linux
General Dynamics Information Technology
Annapolis Junction, MDmore than 2 months ago $185k - $215k
...subject matter experts, consider joining our team! Essential Responsibilities: Candidate will be responsible for providing Sr. level Linux System Administration support for the program. Required: Sr. Linux (Red Hat/Rocky/CentOS) experience (15 years) Desired:...LinuxPeterson Technologies
Annapolis Junction, MD7 days ago$77.6k - $176k
...Cross Domain Solutions and improving cybersecurity infrastructure. Ideal candidates have at least 3 years of experience with Red Hat Linux and hold a TS/SCI clearance. Salary ranges from $77,600 to $176,000 based on qualifications and experience. Join us to solve daily...Linux$100k - $140k
...demonstrated success planning and leading systems administration or engineering efforts. We require strong troubleshooting skills in a Linux Red Hat environment. We require experience working with VMware. We require hands-on experience with modern automation and...LinuxFull timeWork at officeMANTECH
Laurel, MD7 days ago$77.6k - $176k
...will play a key role in supporting critical cybersecurity missions. The ideal candidate will have substantial experience in Red Hat Linux systems and hold a TS/SCI clearance. A collaborative mindset, technical leadership, and a passion for modernizing networks are essential...Linux$101k - $129k
...worldwide high-performance bulk data transport services for the IC and enterprise partners. This is a strong fit for someone who enjoys Linux, operational support, and keeping high-availability systems moving. What Makes This Opportunity Stand Out This role gives you...LinuxFull timeFor contractorsImmediate startWorldwideVisa sponsorshipIntelliforce-IT Solutions Group
Annapolis Junction, MDmore than 2 months ago$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...LinuxFull timeContract workWork experience placementLocal areaRed Arch Solutions
Annapolis Junction, MDmore than 2 months ago$135k - $216k
...for maintaining day-to-day platform stability, supporting customer operations, and troubleshooting technical issues across complex Linux-based environments. This is an on-call position that provides Tier 1 through Tier 3 operational support.You will work in a fast-paced...LinuxContract workShift work$78k - $250k
...POSITION YOU MUST HAVE AN ACTIVE TS/SCI W/ FULL SCOPE POLYGRAPH SECURITY CLEARANCE (U.S. CITIZENSHIP REQUIRED) Candidate must have strong Linux experience. Key Responsibilities: • Manage and monitor IT infrastructure, including servers, networks, and cloud environments. •...LinuxTemporary workRemote workFlexible hours$135k - $216k
...experience as an SA in programs and contracts of similar scope, type, and complexity.Six (6) years of experience (combined) with Unix, Linux.The ability to analyze and resolve complex problems associated with server hardware, applications and software integrationBenefits:...LinuxContract workFor contractorsFlexible hoursShift work- Requires a minimum TS/SCI CI PolySenior Linux/Network AdministratorJob SummaryThe selected candidate will be responsible for performing daily system administration and O&M support activities in support of a complex network environment with geographically distributed systems...Linux
- ...Engineer III to provide senior-level systems engineering and infrastructure support in a mission-critical environment. The role requires Linux administration, VMware virtualization, Ansible automation, and security-compliant engineering practices. The candidate will lead...Linux
