Senior Systems Administrator
$229.5k - $310.5kPraxis Engineering
Job Title Systems Administrator SME Responsibilities Provide support for implementation, troubleshooting, and maintenance of IT systems. Manage daily configuration and operation activities of IT systems. Identify, diagnose, and resolve system problems. Assist users in accessing and using IT systems. Provide day‑to‑day operations, monitoring, and problem resolution for client/server/storage/network devices, mobile devices, and other hardware. Optimize system operations and resource utilization; perform capacity analysis and planning. Communicate status to agency management and internal customers. Ensure completion of resolution processes. Maintain in‑depth troubleshooting experience for IT systems. Configure and manage Linux operating systems, install and load operating system software, troubleshoot, maintain integrity, and configure network components. Support the design of secure systems, mission architecture, and associated hardware. Analyze and resolve complex problems involving server hardware, applications, and software integration. Qualifications Bachelor's degree in a technical discipline from an accredited college or university. Certification in good standing qualifying for CWQMP (formerly CWIP) Basic Proficiency Level. 15+ years of related experience. Technical skills: Linux (RHEL, Rocky, Ubuntu), Windows Active Directory, LDAP, VMware, virtual machine and hypervisor management, GitLab administration, automated build/runners, NetBackup, Ansible, basic networking, implementation and enforcement of security policies, and integration with enterprise security monitor systems and log collection. Active TS/SCI with Polygraph clearance. U.S. citizenship required. Strong problem identification, diagnosis, and resolution ability. Proficiency in providing assistance to users and communicating status to stakeholders. Security Clearance Active TS/SCI with Polygraph required. Compensation The likely salary range for this position is $229,500 - $310,500. Benefits Competitive pay and comprehensive benefits including 401(k) match, health, dental, vision, and paid time off. Location USA MD Annapolis Junction. Onsite. No travel required. EEO Statement Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans. #J-18808-Ljbffr Praxis Engineering
$96.2k - $192.3k
Accenture Federal Services in Annapolis Junction, MD is looking for an experienced Systems Administrator. The ideal candidate will provide support for IT systems, manage infrastructure, and troubleshoot issues. A minimum of ten years of experience in similar roles as well...Senior- Metrea seeks a Classified Systems Administrator to support, maintain, and secure air‑gapped, mission‑critical IT infrastructure for the IC/DoD. The role requires ownership, multitier support, and hands‑on hardware in a secure environment. You will manage AD, DNS, DHCP,...Senior
- Amentum is seeking a System Administrator 2 in Maryland to provide Tier 1 and Tier 2 support for PKI tools. This role involves troubleshooting, testing new releases, and ensuring compliance with DoD certifications. Ideal candidates should have a background in both Windows...Senior
- Fuse Engineering LLC is seeking a highly experienced System Administrator to provide Tier 1-3 IT support, manage cross-platform systems, and coordinate security actions. The role requires TS/SCI with polygraph and DoD 8570 IAT II certification, plus extensive SA experience...Senior
$175k - $205k
Envision Innovative Solutions is hiring a Principal Systems Administrator in Annapolis Junction, Maryland. This role involves supporting IT systems, managing operations, and providing technical assistance to users while ensuring system integrity and optimal performance....Senior$170k - $175k
A leading technology consulting firm is seeking a Senior System Administrator with an active TS/SCI clearance and polygraph. The role involves implementing and maintaining IT systems, providing Tier 1 and Tier 2 support, and managing daily operations across various environments...Senior- IntelliGenesis LLC is seeking a highly experienced System Administrator in the United States Maryland area. The role requires a TS/SCI clearance, a polygraph, and 15 years of SA experience in related programs and contracts. You will support IT systems, dispatch hardware...Senior
- NexOne, Inc. is seeking a skilled Systems Administrator for the WSOTS II program in Maryland. The role covers daily system analysis, training, systems administration, and hardware maintenance for DoD-compliant environments. The position requires an Associate Degree in Applied...Senior
- LVMH Group is seeking a Senior Systems Administrator for the Planning and Engineering Department in Maryland. The successful candidate will support the DC network, maintain production systems, and utilize their extensive knowledge in logistics processes. Key responsibilities...Senior
- A federal technology services provider is looking for a Systems Administrator to manage IT infrastructure and provide hands-on support. Candidates should have a bachelor's degree or equivalent experience along with at least five years of experience in system administration...SeniorFull time
$150k - $180k
Amentum is seeking a System Administrator 2 to provide advanced help desk support, focusing on PKI tools. This position requires a minimum of 10 years of experience as a System Administrator and a Bachelor’s degree in a technical field. The role involves troubleshooting...Senior- Fuse Engineering LLC is looking for an experienced IT Support Specialist to provide comprehensive support for IT systems. The role includes troubleshooting, maintenance, and management of system infrastructure while ensuring compliance with security protocols. You will...Senior
- PAE Government Services Inc. is seeking a System Administrator 3 in Maryland to provide Tier 1 and Tier 2 support for IT systems. The role involves managing system infrastructure, ensuring reliable operation of client/server, storage, and network devices. The ideal candidate...Senior
$229.5k - $310.5k
Praxis Engineering is seeking a Systems Administrator SME in Maryland to support implementation and maintenance of IT systems. Candidates should have strong experience with Linux and a Bachelor's degree in a technical discipline. This position offers a competitive salary...Senior$115k - $175k
Envision Innovative Solutions is looking for a motivated Senior Systems Administrator at Annapolis Junction, Maryland. This role involves managing IT infrastructure, troubleshooting systems, and ensuring the integrity of both UNIX and Windows operating systems. The ideal...Senior$190k - $240k
...We are seeking a Senior System Administrator to join one of our Prime Contracts supporting the Government's Corporate Management Services (CMS) organization. In this role, you will help design, modernize, secure, and sustain the enterprise applications and platforms that...SeniorContract workFlexible hoursNight shiftJobr
Annapolis, MD3 days ago- Power3 is looking for a System Administrator III in Annapolis Junction, MD. The candidate will provide support for implementation, troubleshooting, and maintenance of IT systems while managing system infrastructure. Responsibilities include Tier 1 and Tier 2 problem resolution...Senior
- A national security technology provider is seeking an experienced systems administrator in Maryland. The role involves implementing and managing research infrastructure systems, performing system administration tasks, and supporting customer operations. Candidates should...Senior
- ...(2) years of demonstrated experience in modern operating systems and network architectures. Information Assurance - Must have... ...attractive bonus plan. Responsibilities We are seeking a Senior System Administrator to provide enterprise-focused engineering support to a...Senior
- Be a member of a system administration team responsible for the design, deployment, installation, configuration and maintenance of Linux/UNIX-based server systems and software. Be able to learn quickly and work independently as well as collaborate with team and project...Senior
$100k - $115k
...technical planning, testing, and execution of complex system upgrades, including operating systems,... ...advisories) and ensure timely remediation. Provide senior‑level technical support and guidance to system administrators, serving as an escalation point for complex patching...Senior- Senior Systems Administrator Location: On‑Site at Customer Location (Annapolis Junction, MD) Clearance Required: TS/SCI with Poly Are you ready to take your systems administration expertise to the next level and support mission‑critical operations? BigBear.ai is seeking...Senior
$190k - $240k
...Responsibilities Perform IAVA patching and reporting across enterprise systems. Maintain and administer Windows Server (various versions)... ...(GPOs) and perform PowerShell scripting for automation and administrative tasks. Utilize AWS services, including EC2, Lambda functions...Senior$115k - $175k
...of a small company with the impact of a big mission. Riverstone is seeking a motivated, career, and customer-oriented Senior Systems Administrator to join our team at Annapolis Junction, Maryland . This is an onsite position. Primary Responsibilities Provides support...SeniorHourly payContract workWork experience placement- Innovative Systems & Solutions | Full time - Onsite Senior System Administrator - FFNN-8807 Annapolis Junction, United States | Posted on 03/17/2026 Innovative Systems & Solutions (ISS) works with a wide spectrum of talent to establish an atmosphere that stimulates creativity...SeniorFull timeTemporary workLocal areaImmediate start
- ...lieu of a degree. Experience with Windows and Linux server system administration as well as network engineering. Experience designing, developing... ...and solutions. Ability to work complex projects as a senior contributor within a development team consisting of customer...SeniorFor subcontractorRemote work2 days per week1 day per week
$103.8k - $218.1k
## Senior System AdministratorHanover, MD, USApply NowFind out how well you match with this jobJob ID328668Job Title: Senior System AdministratorJob... ...used across the IC.**Responsibilities:**As a System Administrator, you will:* Build, configure, and deploy Docker containers...SeniorContract workFor contractorsWork experience placementFlexible hours$190k - $210k
Title: Senior System Administrator Location: Annapolis Junction, MD Compensation Range: $190 - $210K Clearance: Active TS/SCI w/ Polygraph needed to apply. Company Overview Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities...Senior$128k - $160k
Responsibilities & Qualifications RESPONSIBILITIES The Senior Systems Administrator is expected to be able to accomplish the following: Monitors and manages system resources, including CPU usage, disk usage, and response times to maintain operating efficiency. Performs...SeniorFull timeContract workTemporary workLocal areaShift work$170k - $250k
Job Description The System Administrator III is a senior technical contributor responsible for designing, implementing, securing, and maintaining the organization’s core IT infrastructure. This role provides Tier 3 support for complex incidents, leads infrastructure projects...SeniorPermanent employmentContract workWork experience placementLocal area
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