Senior Linux System Administrator
Society of Defense Financial Management
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 missions. This role directly supports the Enterprise Infrastructure Services (EIS) organization—the foundation of all Enterprise Information Technology (EIT) for MPO. Responsibilities include but are not limited to: Configure and manage Linux operating systems. Installs/loads operating system software, troubleshootsmaintainsintegrity and configures network components along with implementing operating systems enhancements to improve reliability and performance. Provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. Manage IT system infrastructure and any processes related to these systems. Provide support to IT systems including day-to-day operations,monitoringand problem resolution for all the client/server/storage/network devices, mobile devices, etc. Provide support for the dispatch system and hardware problems and will remain involved in the resolution process. Optimizesystem operations and resourceutilizationand perform system capacity analysis and planning. Analyze and resolve complex problems associated with server hardware,applicationsand software integration. Minimum Qualifications: Bachelor’s degree in a technical discipline from an accredited college or university; an additional 5 years of related experience might be substituted for a degree. 20+ years of experience as a System Administrator or related experience in programs and contracts of similar scope, type, and complexity. Proficient with troubleshooting in a Linux Red Hat environment. Experience with VMWare Demonstrated experience with modern automation/configuration tools such as Splunk or Ansible IAT I certification (DoD 8140requiredwithin 60 days of starting employment.Acceptable certifications include A+ CE/CCNA-Security/CND/Network+ CE /CySA+/GICSP/GSEC/Security+ CE/CND/SSCP) Preferred Qualifications: Experience/familiarization with full lifecycle management of Linux systems, to include provisioning, configurationmanagementand patching. Red Hat Certified System Administration Certification. Experience withNetAPP Clearance Requirements: Must have a current/active Top Secret/SCI with Polygraph Physical Requirements: The person in this position must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to collaborate with other leaders/teams, use standard office automation equipment, and virtual communication. #J-18808-Ljbffr
$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$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- ...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 - ...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 - 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
- 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
- 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
$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...SeniorInterim role- 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 extensive...Senior
- ...A technology company based in Ellicott City, Maryland is seeking a System Administrator Level 2 to manage and optimize enterprise IT systems. The ideal candidate will have extensive experience in Linux and Windows environments, strong troubleshooting skills, and proficiency...Senior
Independent Software
Ellicott City, MD5 days ago - 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...Senior
$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...Senior$210k
...Senior Linux Systems AdministratorSenior Linux Systems Administrator Location: College Park, MD Clearance Required: Active TS/SCI with Full-Scope Polygraph Experience Required: 15+ years Employment Type: Full-time Status: Fully funded Compensation: $210K+ depending on...SeniorFull timeClearanceJobs
College Park, MD3 days ago- RealmOne in Columbia, MD, seeks a senior System Administrator to support enterprise IT environments, spanning multi-level Linux systems, cloud, storage, and networking. The role emphasizes system design, troubleshooting, and mission-critical operations for government and...Senior
- Booz Allen Hamilton seeks a Senior System Administrator to design, deploy, and maintain cross-domain solutions within a DoD-focused enterprise. You... ...tools (Salt, Ansible, Terraform) and manage Red Hat/Rocky Linux with Proxmox, Git, and related tech; TS/SCI clearance with...SeniorRemote job
- ...Description Vibrint is a trusted provider of mission-critical systems and analysis that transform our customers' capacity and... ...____________________________________________________The Senior Linux System Administrator supports the implementation, maintenance, and...SeniorLocal area
Vibrint
Hanover, MD3 days ago $100k - $245k
...Senior Linux Systems EngineerDo you enjoy solving complicated problems?Are you searching for meaningful work in production research computing... ...' experience.Have 5+ years' experience as a Linux System Administrator.Experienced in automated deployment of Red Hat Enterprise...SeniorInterim roleJohns Hopkins Applied Physics Laboratory
Laurel, MD1 day 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 focuses... ...have at least 3 years of experience with Red Hat Linux and hold a TS/SCI clearance. Salary ranges from $77,600 to...Senior$2,650 per month
...small business that provides signal processing andsensor system integration services to the United States Government (USG... ...brings unique expertise and value to our customers. The Senior Linux Systems Administrator shall possess extensive experience supporting the implementation...SeniorContract workTemporary workLocal areaImmediate start- 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
$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...SeniorHourly payContract workWork experience placementImmediate startFlexible hours$100k
...research computing? Are you passionate about Linux? Do you like contributing to... ...solutions in a complex secure setting As a Senior Linux Systems Engineer... You will troubleshoot... ...+ years' experience as a Linux System Administrator. Experienced in automated deployment of...SeniorTemporary workWork experience placementInterim roleRelocation packageFlexible hoursThe Johns Hopkins University Applied Physics Laboratory
Laurel, MD2 days 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...- ...Telework: None Basic Requirements: ~20 years experience as a system engineer ~ Bachelor’s degree in a technical discipline ~5... ...degree Job Description: Configure, manage and troubleshoot Linux operating systems. Installs/loads operating system software,...SeniorFull timeImmediate startRemote work
Shield Consulting Solutions
Laurel, MDa month ago - ...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...
$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$151k - $170k
...TS/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...SeniorFull timeContract workWork experience placementLocal areaRed Arch Solutions
Annapolis Junction, MDmore than 2 months ago$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 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- 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
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