Senior Linux Systems Administrator SME | TS/SCI
Jobleads-US
General Dynamics Information Technology, Inc. seeks a Systems Administrator Linux SME to support a high-visibility, mission-critical environment under a long-standing Prime contract.
You will lead Linux system operations, virtualization platforms, and cloud components, delivering stable performance and secure configurations. The ideal candidate has 10+ years of IT experience, SME-level Linux expertise, TS/SCI with polygraph, US citizenship, and the ability to collaborate with software developers
#J-18808-Ljbffr Jobleads-US$170k - $230k
...Currently Possess: Top Secret SCI + Polygraph Clearance Level... ...Job Qualifications: Skills: Linux, System Improvements, System... ...Job Description: SYSTEMS ADMINISTRATOR SME - LINUX Grow your impact. Grow... ...operating systems ~ Active TS/SCI with polygraph ~ US citizenship...SuggestedLong term contractContract workTemporary workImmediate startWork from homeWorldwideRelocation packageFlexible hours- ...Fort Meade, MD hosts a Linux Administrator position requiring TS/SCI with polygraph. The role focuses on designing and deploying Linux-based infrastructure, automating tasks with Bash, Python, Puppet, and Ansible, and supporting a hybrid cloud environment. You will...Senior
- ...Power3 Solutions seeks a Principal Systems Administrator (Linux, VMware) to support IT systems at Fort Meade, MD. The role involves Linux/UNIX/Windows... ...-conscious environment. The candidate must hold a TS/SCI clearance with a Polygraph, with extensive SA experience and...Senior
- ...Dynamics Information Technology, Inc. is seeking a Systems Administrator to support a large-scale Linux system, including installation of COTS/GOTS/FOSS software... ..., and performance enhancements. You will need a TS/SCI w/ Polygraph clearance, 15+ years of related experience...Senior
- ...Technology, Inc. is seeking a Software Engineer Senior in Maryland to design, develop, and maintain tools... ...deliver efficient, automated workflows. Required: TS/SCI w/ Polygraph, 5+ years of related experience, strong Linux, Bash, Python, Java, and CI/CD skills; experience...Senior
- ...Xcelerate Solutions is seeking a Senior GPU Platform Engineer to design, develop, and optimize Linux-based GPU computing... ..., MD Security Clearance: TS/SCI and willingness to get a Poly.... ...also adaptable to other operating systems. Operating System Integration...Senior
$140k - $175k
...seeking a Cybersecurity SME Senior to support our INSCOM Cyber... ...of an Information System Security Officer (ISSO)... ...Government customer and system administrators to communicate any... ...professional Active TS security clearance and eligible for SCI and NATO read-on prior to...SeniorFull timeContract workWork experience placementH1b- ...Information Technology, Inc. in Hanover, MD is seeking a System Software Developer SME to lead a team delivering mission-critical government software... ...of related experience, strong Angular/Java/JavaScript knowledge, and Linux (Rocky/ RedHat). #J-18808-Ljbffr Jobleads-USSenior
- ...Themis Insight, LLC seeks a Principal Systems Administrator (Linux, VMware) to support IT systems in the Fort Meade vicinity. Role emphasizes Linux... ..., Linux, and Windows environments. The role requires TS/SCI with polygraph and extensive SA experience, including ITSM...
- ...BlueHalo is seeking a System Administrator to manage and support mission-critical IT infrastructure across Windows and UNIX systems. The role... ...servers, and ensure vulnerability management with Nessus. A TS/SCI with polygraph is required for access to sensitive information...Senior
$188k - $210k
...Senior Windows System Administrator (TS/SCI Clearance With Full Scope Polygraph Required) Annapolis, United States | Posted on 10/01/2026 Position:... ...Systems Familiarity: Working knowledge of Windows and Linux operating systems, VMware virtualization, and core enterprise...SeniorFull time- ...Xcelerate Solutions seeks a skilled Microsoft SQL Server Administrator to support the National Digital Exploitation & OSINT Center (NDOC) in Bethesda, MD. This role requires TS/SCI clearance and strong expertise in MSSQL, MySQL, and PostgreSQL, with experience in Docker...Senior
- ...RMF and DIAC RMF processes while implementing robust security controls for cloud-based and containerized environments. The role requires TS/SCI with poly, strong Linux hardening and Kubernetes expertise, and DoD 8570 IAT certifications. #J-18808-Ljbffr Jobleads-USSenior
- ...Leidos is seeking a Sr. Endpoint Security Systems Engineer to support the Intel Security Sector's Analysis Solutions... .... The role requires experience with Trellix tools, Linux/Windows administration, and a TS/SCI with polygraph clearance. Join a team that protects national...Senior
$112k - $179k
ResponsibilitiesPeraton has an exciting opportunity for an experienced Senior Systems Administrator to provide system engineering, application and hardware... ...of our country. The right candidate will hold an active TS/SCI clearance, with the ability to obtain a polygraph if one...SeniorContract workRemote workShift work$224k - $274k
...Akina, Inc. is seeking a senior SA to join our Fort Meade team, supporting IT systems deployment, troubleshooting and maintenance within a TS/SCI-Polygraph environment. The role emphasizes Tier 3 problem resolution, infrastructure management and coordinating status...Senior- ...test, evaluate, integrate, and troubleshoot the HPC software stack and related system issues. The role requires a TS/SCI w/ Polygraph clearance, 10+ years of experience, and hands-on Linux CLI, Bash, Python, Slurm, and Salt expertise to drive automation and scalable...Senior
- ...General Dynamics Information Technology, Inc. seeks a Systems/Network Engineer SME with TS/SCI w/ Polygraph to support DoD/IC networks in Annapolis Junction, MD. You will design, implement, and troubleshoot Cisco switches/routers/firewalls, security appliances, and...Senior
- ...Varen, an SAIC company, seeks an experienced Systems Administrator to join the IT O&M team in Suitland, MD. The role requires TS/SCI with polygraph and involves installing, configuring, securing, and maintaining server-based systems across major vendors. Responsibilities...Senior
- ...General Dynamics Information Technology, Inc. is seeking a highly experienced IT Systems Administrator with TS/SCI w/Poly clearance to support enterprise IT systems. You will manage server hardware, applications, and network components, implement patches, and coordinate...Senior
- ...Zohorecruit seeks a Senior Windows System Administrator in Annapolis Junction, MD to lead daily systems administration within a SAFe framework for... ...security, automation, and O&M support. The role requires a TS/SCI with polygraph clearance, 7+ years of experience, and...Senior
- ...Leidos is seeking a TS/SCI cleared Cyber Security Engineer to support a long-term DIA-NDOC project... ..., with Agile practices and hardening of Linux and Kubernetes. The position emphasizes collaboration with DevSecOps and systems teams, emphasizing continuous monitoring,...SeniorRemote work
- ...LufCo in Aberdeen, MD is seeking a Lead System Administrator to manage Linux infrastructure in a DoD environment, focusing on RHEL/Rocky Linux, security... ..., virtualization, and network services, plus active TS/SCI clearance and willingness to travel 10–25% to customer locations...
- ...Technology, Inc. in Hanover, MD is seeking a senior engineering professional to lead testing of embedded software systems. The role requires TS/SCI with Poly and on-site work.... ...experience, and strong C/C++ with Unix/Linux/VxWorks know-how, plus scripting and test...SeniorRelocation packageFlexible hours
$165k - $200k
...Linux Administrator (TS/SCI Clearance with Fullscope Polygraph Required) Fort George G Meade, United States | Posted on 10/01/2026 Location... ...Seeking a skilled and innovative Linux Administrator (Systems Administrator Level 2) to join a high‑performing systems team...Full timeLocal area- ...compliance analytics and data processing systems. You will build ML-powered tools, integrate... ...R&D setting. The role requires active TS/SCI with polygraph, a CS degree (or... ...experience using Python, Java, and Scala on Linux, plus experience with ML, data processing...Senior
$170k - $230k
...Currently Possess: Top Secret SCI + Polygraph Clearance... ...as a Software Developer SME at GDIT. Shape what's... ...solutions. Design detailed system architectures, models,... ...Clearance Level: Active TS/SCI with CI Poly... ...systems including Windows, Linux, and macOS. Experience...Temporary workImmediate startRemote workWorldwideFlexible hours- ...Zohorecruit seeks a Systems Engineer 2 in Columbia, United States, to provide Linux systems administration and operational support in a high-availability environment. The role... ...monitoring, and ensuring mission continuity. A TS/SCI clearance with polygraph is required, with a...
- ...PaaS. You will manage secure, multi-tenant Kubernetes clusters on Linux infrastructure, ensuring reliability, scalability and security... ...workloads. The role requires 6+ years of related experience, TS/SCI with poly, and proficiency with Bash, Python, Docker/Podman, Kubernetes...
- ...data transformation using cloud methodologies. Candidates must hold an active TS/SCI with Poly clearance and have 10+ years as a DBE in similar contracts, with preferred Oracle and MongoDB experience, Linux skills, and Bash scripting. #J-18808-Ljbffr Jobleads-USSenior
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