Linux System Administrator, Senior
$77.6k - $176kBooz 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- ...Job Description Job Description Job Description: Quevera is seeking a skilled Senior Solaris & Linux Systems Administrator with an active TS/SCI clearance with Polygraph in Annapolis Junction, Maryland . This role supports enterprise Solaris and Linux...SeniorTemporary work
$176k - $282k
...the world safe and secure.ResponsibilitiesJob Description: Linux systems deployment and managementSystems patching and upgradesSoftware... ...Security+ cert)Fifteen (15) years’ experience as a Systems Administrator Bachelor’s degree in a technical discipline5 additional years...SeniorContract workTemporary workShift 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...Senior
- ...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
...of problems.Provide support to IT systems including day-to-day operations, monitoring... ...devices, etc.Configure and manage Linux, and possibly Windows operating... ...on Confluence.Required Experience:Senior level Linux Systems Administration experience is requiredExperience...SeniorImmediate startRemote work- ...motivated individual to join a small, talented, and hardworking Linux team in a hybrid cloud environment. This team creates,... ...architectures. The ideal candidate will have hands-on Linux administration and scripting automation experience with knowledge of AWS Cloud...SeniorTemporary workLocal area
$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 role$100k
...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... ...+ years' experience as a Linux System Administrator. Experienced in automated deployment...SeniorTemporary workWork experience placementInterim roleRelocation packageFlexible hours- ...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...
$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$165k - $196k
...performance infrastructure, and automating complex deployments at scale, you’re in the right place! We are looking for a Senior Linux Systems Administrator who shares our drive to push boundaries and build secure, data-driven applications that make a real difference. In...Hourly payContract workWork experience placementImmediate startFlexible hours- ...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
$185k - $215k
...information theft and augment protections for our customers systems. If you are looking to join a company that provides... ...Responsibilities: Candidate will be responsible for providing Sr. level Linux System Administration support for the program. Required: Sr. Linux (Red Hat/...- ...Job Description Job Description Linux System Administrator III Omega Enterprise Solutions is a Maryland-based, Service-Disabled Veteran-Owned Small Business (SDVOSB) with a special focus on the U.S. Department of Defense (DoD) and Intelligence Community (IC) mission...
- ...Job Description Job Description Job Description: Quevera is seeking a Linux Systems Administrator with an active TS/SCI clearance with Polygraph in Annapolis Junction, Maryland . This role supports the operation and maintenance of Linux servers, virtual...Temporary work
$101k - $129k
...Job Description Job Description Systems Administrator, Bulk Data Transport Operations Make an Impact Where It Matters Most At Intelliforce... ...partners. This is a strong fit for someone who enjoys Linux, operational support, and keeping high-availability systems...For contractorsImmediate startWorldwideVisa sponsorship$100k
...Linux Systems Administrator Do you have a passion for Linux systems administration? Do you have experience with systems administration for classified systems? If so, we're looking for someone like you to join our team at APL. The Strategic Missile Defense Program...Interim role$158.78k - $169.58k
...motivated individual to join a small, talented, and hardworking Linux team in a hybrid cloud environment. This team creates,... ...architectures. The ideal candidate will have hands-on Linux administration and scripting automation experience with knowledge of AWS Cloud...$185k - $200k
...Description Job Description Red Arch Solutions is hiring a System Administrator on a priority program in Annapolis Junction, MD. The System... ...be responsible for providing support for a large-scale Linux system including installation of COTS/GOTS/FOSS software, day...Contract workWork experience placementLocal area$130k - $160k
...Position Summary: The Kenjya-Trusant Group is looking for a Systems Administrator to support our Maryland Customer for cross domain solutions.... ...for the implementation and operation of Red Hat Enterprise Linux-based Information Technology (IT) systems or Red Hat...Full timeContract workWork experience placementLocal area$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$120k - $240k
...with matters. ________________________________________________________________________ Set of X is hiring for a Linux System Administrator to support our prime contract. Responsibilities: Work with current owners and administrators to understand existing...Contract workWork at officeFlexible hours$128k - $214.4k
...Linux System Administrator Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we've been solving the toughest challenges with groundbreaking...Hourly payContract workTemporary workWork experience placementWork at officeLocal areaRemote workMonday to Friday$105k
...Linux System Administrator Are you passionate about shaping secure, IT systems in classified environments? Do you want to influence system improvements, implementation decisions, and the overall security posture of advanced technology systems? If so, we're looking...Work experience placementInterim roleRemote work$10k
...Description: Columbia Technology Partners is seeking a skilled System Administrator to support and maintain mission-critical enterprise... ...hands-on systems professional with expertise in Solaris and Linux administration, enterprise storage solutions, backup and recovery...Temporary workFor contractorsLocal area- ...Job Description Job Description Marathon is seekeing Windows / Linux System Administrator to manage and support internal-use telephony systems for our Homeland Security customer. This role provides technical leadership for the configuration, maintenance, and troubleshooting...Contract work
- ...powers unprecedented mission-critical analysis, scientific discovery, and scalable national security outcomes. As a Senior Linux System Administrator on this program, you will help deliver enhanced HPC capabilities across multi-vendor HPC servers, HPC clusters, and...SeniorContract workTemporary workLocal areaImmediate start
$92.3k - $166.85k
...challenges.About the OpportunityLeidos is seeking an experienced Senior System Administrator to support the implementation, operation, troubleshooting,... ...reliable system performance.You will administer UNIX, Linux, Windows, and virtual operating environments; support escalated...SeniorFull time
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