Linux System Administrator, Senior
$37.31 - $84.62 per hourBooz Allen Hamilton
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 management. Identify problem areas and opportunities for improvement in a mission-critical network. Accomplish work without considerable direction.Join us. The world can't wait.You Have:5+ years of experience with systems administrationExperience with Red Hat Enterprise Linux or CentOSExperience with managing virtual machines and VMware ESXiKnowledge of Linux iptables, networking configuration, and DNSTS/SCI clearance with a polygraphHS diploma or GEDAbility to obtain DoD 8570.1 IAT Level II Compliant Certification within 60 days of start dateNice If You Have:Experience with AWS DevOps, Cloud FormationExperience with Infrastructure as Code (IaC), such as SaltStack or AnsibleExperience with Python, YAML, or JSONDoD 8570.1 IAT Level II Compliant CertificationClearance:Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information; TS/SCI clearance with polygraph is required.CompensationAt Booz Allen, we celebrate your contributions, provide you with opportunities and choices, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, work-life programs, and dependent care. Our recognition awards program acknowledges employees for exceptional performance and superior demonstration of our values. Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in Booz Allen’s benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits. We encourage you to learn more about our total benefits by visiting the Resource page on our Careers site and reviewing Our Employee Benefits page.Salary at Booz Allen is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $77,600.00 to $176,000.00 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of Booz Allen’s total compensation package for employees. This posting will close within 90 days from the Posting Date.Identity StatementAs 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 interviews and assessments. We reserve the right to take your picture to verify your identity and prevent fraud.Candidate AI Usage PolicyAI is a part of our daily work at Booz Allen, and we are committed to the responsible and ethical use of AI tools. However, we want to ensure a fair candidate process based on your own skills and knowledge. As part of this commitment, the use of artificial intelligence (AI) or other tools to assist with responses during interviews (whether in-person or virtual) is prohibited unless permission is explicitly provided. Work ModelOur people-first culture prioritizes the benefits of collaboration, whether it occurs in person or virtually. To support engagement and effective communication, employees working virtually are generally expected to have their cameras on during meetings.Remote: If this position is listed as remote, there may still be occasions when you are required to work in person at a Booz Allen or customer facility.Hybrid: If this position is listed as hybrid, you will be expected to work from a Booz Allen facility frequently, in alignment with leadership expectations and the needs of the role. You may also be required to work from or visit a customer facility.Onsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.Commitment to Non-DiscriminationAll qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law.SummaryLocation: Annapolis Junction, MDType: Full time
$92.3k - $166.85k
...customers as they address evolving national security challenges.About the OpportunityLeidos is seeking an experienced Senior Linux Systems Administrator - Quality Assurance to support Linux environments that enable mission-critical testing, validation, and operational...SeniorFull time$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$128k - $214.4k
...Your adventure begins now-unleash your potential with MANTECH! 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...SeniorHourly payContract workTemporary workWork experience placementWork at officeLocal areaRemote work$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- 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 time- ...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
$190k - $200k
...problems. Provide support to IT systems including day-to-day operations, monitoring... ..., etc. Configure and manage Linux, and possibly Windows operating... ...Confluence. Required Experience: Senior level Linux Systems Administration experience is required...SeniorFull timeImmediate startRemote work- ...Job Description Job Description Job Description: Quevera is seeking a highly skilled Senior Linux Systems Administrator – Kubernetes with an active TS/SCI clearance with Polygraph to support a high-visibility mission environment in Annapolis Junction, Maryland...SeniorTemporary workMonday to FridayShift work
- ...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...SeniorImmediate startRemote work
$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...$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...- ...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...
$75.2k - $158.1k
Job Title: Linux Systems AdministratorJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/... ...successfully executing this mission.We are looking for a Linux systems administrator and operational support for mission-critical environments,...Contract workWork experience placementFlexible hours$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
- ...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...Visa sponsorshipWork visa
$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...For contractorsImmediate startWorldwideVisa sponsorship$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- OverviewSenior Linux Systems AdministratorLOCATION: Columbia, MD (Onsite)JOB STATUS: Full-timeCLEARANCE: Active Top Secret /... ...kAstrion has an exciting opportunity for a highly experienced Senior Linux Systems Administrator to build, secure, and sustain the Linux server and...SeniorMonday to Friday
$120k - $157.5k
...voted Baltimore Business Journal's (BBJ) Best Places to Work 2026! Belay Technologies is seeking a System Administrator (SA) to join our Intel team. The SA will provide Linux systems administration and operational support for mission-critical environments, including...Contract workWork experience placementFlexible hours- General information Job Posting Title Windows / Linux System Administrator Date Thursday, April 16, 2026 City Annapolis Junction... ...), external market and internal value analysis including seniority and merit systems, as well as internal pay alignment....Minimum wageFull timeContract workTemporary workWork experience placement
$148.75k - $201.25k
...Job Family: IT Infrastructure and Operations Skills: Linux,Microsoft Windows,Software Updates,Virtual Environments,Virtualization... ...US Citizenship Required: Yes Job Description: SYSTEMS ADMINISTRATOR SME Advance how our customers operate while you advance...Temporary workImmediate startWorldwideFlexible hours$105k
...Description Are you passionate about shaping secure, IT systems in classified environments? Do you want to influence system... ...like you to join our team at APL! We are seeking a Linux System Administrator to join the Weapons and Countermeasures group to support...Temporary workWork experience placementInterim roleRemote workRelocation packageFlexible hours$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...Full timeContract 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$115k - $130k
...Linux System Administrator Level 2 Location: Fort Meade, MD Employment Type : Full-Time Clearance: TS/SCI with Full Scope Polygraph Salary Range: $115,000 to $130,000 per year OTA is seeking System Administrators to provide support for implementation,...Full time
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