Sr. Linux System Administrator / System Engineer
$151k - $170kRed Arch Solutions
**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 deep expertise in Linux system administration, virtualization, automation, and security compliance, along with the ability to operate in a fast-paced, mission-critical setting.Key ResponsibilitiesAdminister, maintain, and optimize Linux-based systems (RHEL/CentOS) in a secure enterprise environmentSupport mission-critical infrastructure with a focus on availability, performance, and securityCreate, configure, and manage VMware virtual machinesInstall, configure, and maintain JBoss application environmentsImplement automation solutions using Ansible, Terraform, or similar toolsPerform system monitoring, troubleshooting, and root cause analysisSupport security compliance initiatives and system hardening effortsCollaborate with cross-functional teams across storage, networking, and security domainsProvide support for 24x7 operations, including on-call and after-hours responseRequired Qualifications10+ years of experience as a Linux System Administrator/EngineerActive TS/SCI with Polygraph.Strong expertise with Linux (RHEL/CentOS) environmentsExperience with VMware VM creation, configuration, and operationsSecurity+ Certification (required)Experience supporting IC (Intelligence Community) mission environmentsHighly Desired QualificationsActive or recent SYS3 Privileged AccessExtensive experience with JBoss installation, configuration, and administrationHands-on experience with automation tools such as Ansible or TerraformStorage systems and administrationNetworking fundamentals and infrastructure supportSecurity compliance and auditingAuthentication systemsScripting with Shell and/or PythonPhysical server administrationExperience with Oracle Database and potential DBA exposureFamiliarity with JSON (JavaScript Object Notation)Salary range for this position: $151,000 - $170,000 #CJ SummaryLocation: Annapolis Junction, MD, United StatesType: Full TimeExperience: Mid LevelDepartment: Systems
$151k - $170k
...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 deep...SeniorFull timeContract workWork experience placementLocal areaRed Arch Solutions
Annapolis Junction, MDmore than 2 months ago$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...SeniorFull 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...SeniorFull timeContract workPart timeWork at officeLocal areaRemote work- ...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...Senior
The Johns Hopkins University Applied Physics Laboratory
Laurel, MD5 days ago $100k - $245k
...Senior Linux Systems EngineerDo you enjoy solving complicated problems?Are you searching... ...at APL.We are seeking an experienced engineer to help us implement new technologies... ...+ years' experience as a Linux System Administrator.Experienced in automated deployment of...SeniorInterim roleJohns Hopkins Applied Physics Laboratory
Laurel, MD1 day ago- ...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...Senior
CACI International
Laurel, MD4 days ago - ...ManTechseeksa 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 defense...SeniorWork at office
Society of Defense Financial Management
Laurel, MD5 days ago $100k
...computing? Are you passionate about Linux? Do you like contributing to... ...are seeking an experienced engineer to help us implement new... ...secure setting As a Senior Linux Systems Engineer... You will... ...experience as a Linux System Administrator. Experienced in automated deployment...SeniorTemporary workWork experience placementInterim roleRelocation packageFlexible hoursThe Johns Hopkins University Applied Physics Laboratory
Laurel, MD2 days ago$77.6k - $176k
Phase2 Technology in Laurel, Maryland is seeking a Senior System Administrator to enhance technology for the Department of Defense. This role... ...candidates have at least 3 years of experience with Red Hat Linux and hold a TS/SCI clearance. Salary ranges from $77,600 to $...Senior- ...Senior Linux Systems AdministratorLOCATION: Columbia, MD (Onsite)JOB STATUS: Full-timeCLEARANCE... ...experienced Senior Linux Systems Administrator to build, secure, and sustain the Linux... .../ SkillsRed Hat Certified Engineer (RHCE) or Red Hat Certified Architect...SeniorMonday to Friday
ASTRION, INC.
Columbia, MD18 hours ago - ManTech seeks a motivated Linux System Administrator to join our Laurel, MD team, delivering enterprise infrastructure capabilities for a national defense mission. You will support the Enterprise Infrastructure Services (EIS) as the backbone of IT for MPO, focusing on...Senior
- 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...Senior
- Johns Hopkins Applied Physics Lab is seeking a Linux System Administrator to support Hardware-in-the-Loop (HiL) facilities. You'll apply Risk Management Framework principles to enhance IT security capabilities and administer complex classified systems with a focus on collaboration...Senior
- 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...Senior
- ...Telework: None Basic Requirements: ~20 years experience as a system engineer ~ Bachelor’s degree in a technical discipline ~5... ...Job Description: Configure, manage and troubleshoot Linux operating systems. Installs/loads operating system software, troubleshoot...SeniorFull timeImmediate startRemote work
Shield Consulting Solutions
Laurel, MDa month ago - Johns Hopkins Applied Physics Laboratory is seeking a Linux Systems Administrator in Laurel, Maryland. You will play a crucial role in shaping secure IT systems while collaborating with a team to improve system performance and security protocols. Your responsibilities include...Senior
- DescriptionAre you interested in joining SAIC to be part of our partnership providing high quality engineering advisory services, system planning, integration, and architecture to our government intelligence agency customer? Then consider joining the members of the Enterprise...SeniorFull time
$100k
Description Are you passionate about shaping secure, IT systems in classified environments? Do you want to influence... ...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‑Loop (HiL)...SeniorInterim role- ...discovery, and scalable national security outcomes.As a Senior Linux System Administrator on this program, you will help deliver enhanced HPC... ...to grow your technical expertise alongside highly skilled engineers, collaborate with exceptional teammates, and directly contribute...SeniorContract workTemporary workLocal areaImmediate start
Vibrint
Hanover, MD3 days ago $154.05k - $278.48k
Leidos has a new and exciting opportunity for a Sr. Systems Engineer in our Intel Sector's Cyber & Analytics Business Area (CABA). Our talented... ...team.Experience working as an admin on Windows Server and Linux Server platforms.At Leidos, the opportunities are boundless....SeniorFull timeImmediate startFlexible hours$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...- ...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...
$146k - $234k
...in Laurel, Maryland, is seeking a Senior Cloud & Distributed Systems Engineer. The role focuses on administering and optimizing large-scale... ...Hadoop and Accumulo. Candidates should have at least 7 years of Linux experience and strong scripting skills. This position offers...Senior$92.3k - $166.85k
...sector expertise to customers in the national security, engineering, and health industries. We deliver innovative solutions through... ...challenges.About the OpportunityLeidos is seeking a Linux Systems Administrator - Quality Assurance to support Linux-based environments that...Full time$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...Full timeImmediate startRelocation packageFlexible hours$119.5k - $275k
Federal HPC Linux System Administrator, (Clearance required TS/SCI with Poly) On-Site, MarylandThis role has been designed as ‘’Onsite’ with... ...Education and Experience: Bachelor’s degree in Computer Science, Engineering, or related area of study OR equivalent work experience 3...Full timeWork experience placementWork at office- 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
$190k - $304k
ResponsibilitiesPeraton is seeking a Systems Engineer to support our Cyber Mission business unit located in Annapolis Junction, MD. The team supports multiple products that automate manual tasks so that mission customers can focus on more complex issues. The team employs...SeniorContract workFor contractorsFlexible hoursShift work- ...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...
Themis Insight LLC
Laurel, MD2 days ago - ...Sr. System Engineer Themis Insight solves difficult business, IT, and analytic problems by addressing the whole problem –... ...Strong communication skills Some hands-on System Administration experience with Linux Flexible to support small mission group Themis...SeniorContract workLocal areaWork from homeFlexible hours
Themis Insight LLC
Laurel, MD1 day ago
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