Senior System Administrator jobs

Senior System Administrator - Back End Nights Shift

Kearneysville, West Virginia

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Today

Overview GovCIO is seeking a Senior System Administrator to join our team, supporting a critical program with the U.S. Coast Guard. This position is primarily onsite in the Kearneysville, WV area, with the possibility of occasional remote work based on operational needs and management approval. This is a Back End Nights shift position, working 1845-0700, Thursday through Saturday with rotating Wednesdays, in alignment with 24/7 operational requirements. Responsibilities The Senior System Ad

Full-time

USD 95,000.00 - 114,000.00 per year

Senior System Administrator

Catonsville, Maryland

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Today

Job Number: R0236173 System Administrator, Senior The Opportunity: Your combination of people skills and system administrator expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting our client? As a System Administrator on our project, you'll support the operation, maintenance, and design of information technology resources within a laboratory for High Performance Computing ( HPC ) technology and data analyti

Full-time

USD 77,600.00 - 176,000.00 per year

Senior System Administrator

San Antonio, Texas

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Today

POSITION SUMMARY AND RESPONSIBILITIES Provides computer technical expertise, project management, technical guidance and direction in the implementation and operation of computer systems; used for Community First Health Plans, Inc. (Community First) systems. Organizes and schedules a variety of major and/or complex computer system tasks in a timely and proficient manner and in compliance with departmental and organizational policies and procedures. The candidate must maintain a good working relat

Full-time

Senior System Administrator

Albany, New York

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10d ago

Position: Senior System Administrator Location: Albany, NY Fulltime Responsibilities: Build and administer physical/virtual servers.Administer and maintain Windows Server and Linux systemsManage VMware virtualization platforms (vSphere, ESXi, vCenter) and enterprise storage infrastructureAdminister enterprise backup solutions (Veeam or Commvault) including job configuration and retention managementPerform and document backup verification and restoration testingSupport disaster recovery planning

Easy Apply

Full-time

$80,000 - $120,000

Senior System Administrator

San Antonio, Texas

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Today

POSITION SUMMARY AND RESPONSIBILITIES University Health is seeking an experienced Senior Systems Administrator with deep PeopleSoft expertise to support and enhance mission-critical financial, clinical, and administrative systems within a large, complex healthcare environment. This role is ideal for a senior-level professional who enjoys system ownership, problem-solving, and partnering with business and clinical leaders to keep enterprise systems running at peak performance. Why This Role Matte

Full-time

Senior System Administrator

Laurel, Maryland

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Today

Job Number: R0232760 System Administrator, Senior The Opportunity: Your technical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve a critical technology supporting the Department of Defense (DoD)? We're looking for a System Administrator to help us design, deploy, and maintain Enterprise Cross Domain Solutions for an enterprise environment that supports critical cybersecurity mission customers. As a Linux System Administrator on

Full-time

USD 77,600.00 - 176,000.00 per year

Sr Linux System Administrator - Clearance Required

Annapolis, Maryland

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Today

Job Description This position is participating in our External Referral Program. If you know somebody who may be a fit, click here to submit a referral. If your referral is hired, you'll receive a payment! code-extrefer Senior Linux System Administrator - Clearance Required WHAT WE'RE DOING Join Lockheed Martin Rotary and Mission Systems, where we foster innovation and integrity. As a Senior Linux System Administrator, you'll be empowered to create "new realities" and pioneer solutions that b

Full-time

USD 99,700.00 - 175,835.00 per year

Senior System Administrator

Columbia, Maryland

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Today

Job Number: R0232223 System Administrator, Senior The Opportunity: Your technical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the Department of Defense? We're looking for a System Administrator to help us design, deploy, and maintain Cross Domain Solutions for an enterprise environment that supports critical cybersecurity mission customers. As a Linux System Administrator on our project, you'll cons

Full-time

USD 77,600.00 - 176,000.00 per year

Senior Linux System Administrator

Maryland

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Today

Job Number: R0234431 Linux System Administrator, Senior The 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. You Have: 5+ years of experience with systems administ

Full-time

USD 77,600.00 - 176,000.00 per year

Senior Endpoint System Administrator

Jacksonville, Florida

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Today

RESPONSIBILITIES: Kforce has a client that is seeking a Senior Endpoint Engineer to support and enhance a large-scale enterprise Windows environment in Jacksonville, FL. Summary: This role is ideal for someone who brings both hands-on technical expertise and strategic thinking, with experience designing, building, and optimizing endpoint management solutions in complex environments. You will play a key role in managing and evolving a modern endpoint ecosystem, including a transition from SCCM

Full-time

$69,700 - $94,300 annually

Microsoft System Administrator, Senior

Fort Belvoir, Virginia

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Today

Overview JOB TITLE: Microsoft System Administrator, Senior LOCATION Fort Belvoir, VA SALARY: $128,000-$165,000 (Compensation is dependent upon qualifications and experience) EMPLOYEE TYPE: Full-Time Salary Exempt Employment in this role is conditional upon successful execution of the contract by the client. The Work The Microsoft System Administrator, Senior is responsible for the design, implementation, management, optimization, and ongoing support of Microsoft-based infrastructure across t

Full-time

Depends on Experience

Senior Linux System Administrator

Maryland

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Today

Job Number: R0234433 Linux System Administrator, Senior The 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. You Have: 5+ years of experience with systems adminis

Full-time

USD 77,600.00 - 176,000.00 per year

Lead System Administrator

Decatur, Georgia

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Today

Were seeking a Senior LeadSystem Administrator to lead and optimize our hybrid cloud infrastructure. Youll drive automation, mentor our admin team, and lead key projectsincluding M&A integrationsas we scale. This role is perfect for someone who loves building secure, resilient, and customer?focused systems. Key Responsibilities Lead administration of Windows/Linux servers, AD, Entra ID, Intune, and Group Policies. Manage Azure IaaS/PaaS, networking, storage, and landing zones. Implement automa

Easy Apply

Full-time

Depends on Experience

Sr. System Administrator

Pascagoula, Mississippi

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Today

Date Posted: 2026-03-27 Country: United States of America Location: US-MS-PASCAGOULA-1000-CUST ~ 1000 Access Rd ~ ACCESS (External Site) Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance Type: TS/SCI with Poly - Current Security Clearance Status: Active and existing security clearance required on day 1 At Raytheon, the foundation of ever

Full-time

USD 68,900.00 per year

Senior System Administrator

Tucson, Arizona

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Today

Date Posted: 2026-03-13 Country: United States of America Location: US-AZ-TUCSON-848 ~ 1151 E Hermans Rd ~ BLDG 848 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date At Raytheon, the f

Full-time

USD 68,900.00 per year

Senior System Administrator

Somerville, Massachusetts

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Today

Are you ready to build America's energy future? Form Energy is an American manufacturing and energy technology company. We're revolutionizing energy storage with cost-effective, multi-day technology designed to keep the electric grid secure and reliable, even during extended periods of stress. By strengthening the electric system and reimagining what's possible, we're giving clean energy a whole new form! In recent years, Form Energy has earned a number of accolades, including being named by TIM

Full-time

USD 111,826.00 - 139,777.00 per year

Sr. System Administrator

Massachusetts

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Today

Date Posted: 2026-03-20 Country: United States of America Location: US-MA-ANDOVER-AN5 ~ 356 Lowell St ~ AN5 BRISTOL BLDG Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance Type: Secret - Current Security Clearance Status: Active and existing security clearance required on day 1 At Raytheon, the foundation of everything we do is rooted in

Full-time

USD 68,900.00 per year

Senior System Administrator

Ridgecrest, California

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Today

{"description": "Salary Range: $87,934 - $153,600 Provide system administration support for the F/A-18 and EA-18G Integrated Product Team (IPT) at NAWCWD China Lake. Essential Job Functions: Provide advance support in an enterprise environment supporting hardware and software installation, maintenance, and security of all servers and clients (Windows and Linux). Provide support for administration and maintenance of SAN hardware and OS. Provide support for all aspects of server and workstation, i

Full-time

USD 87,934.00 - 153,600.00 per year

Senior System Administrator

Alexandria, Virginia

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Today

This Department of War enterprise data and analytics program delivers mission-critical capabilities that enable leaders across the Department to make faster, better-informed decisions using trusted data at scale. Leidos Digital Modernization sector is seeking an experienced Senior System Administrator to support the delivery, enhancement, and adoption of enterprise data and analytics products used across multiple DoD organizations. In this role, you will work alongside government partners, engin

Full-time

USD 92,300.00 - 166,850.00 per year

Senior System Administrator

Santa Ana, California

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Today

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c

Full-time

USD 146,000.00 - 194,000.00 per year

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Senior System Administrator jobs