senior systems administrator jobs

Tampa, Florida

•

Today

Job ID: 2612398 Location: MacDill AFB, FL, US Date Posted: 2026-05-11 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: TS.SCI Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_ON_SITE Description SAIC has an immediate opening for a Senior Systems Administrator to support the Special Operations Forces Information Technology Enterprise Contract (SITEC) -

Full-time

Senior Systems Administrator

Arnold, Missouri

•

Today

Job ID: 2612332 Location: Arnold, MO, US Date Posted: 2026-05-07 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: TS.SCI Clearance Level Must Be Able to Obtain: TS/SCI with Poly Potential for Remote Work: ORA_ON_SITE Description SAIC is seeking a Senior Systems Engineer to maintain and upgrade customer Linux, Windows, and cloud systems in a secure environment. Duties include but are not limited to

Full-time

Senior Systems Administrator and Network Specialist

Springfield, Virginia

•

Today

Job ID: 2612254 Location: Springfield, VA, US Date Posted: 2026-05-06 Category: Information Technology Subcategory: IT Systems Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_HYBRID Description The Vanguard 2.2.1 program is seeking a qualified professional to perform as an operations technical resource in support of the Department of State's (DoS) Bureau of Information

Full-time

Senior Systems Administrator and Network Specialist

Beltsville, Maryland

•

Today

Job ID: 2612254-OTHLOC-828 Location: Beltsville, MD, US Date Posted: 2026-05-06 Category: Information Technology Subcategory: IT Systems Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_HYBRID Description The Vanguard 2.2.1 program is seeking a qualified professional to perform as an operations technical resource in support of the Department of State's (DoS) Bureau of I

Full-time

USD 160,001.00 - 200,000.00 per year

Senior Systems Administrator - RHEL

Springfield, Virginia

•

Today

Job ID: 2611830 Location: Springfield, VA, US Date Posted: 2026-04-23 Category: Information Technology Subcategory: Technical Support Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: TS.SCI Clearance Level Must Be Able to Obtain: TS/SCI with Poly Potential for Remote Work: ORA_ON_SITE Description SAIC is seeking a highly motivated and experienced Senior Systems Administrator - RHEL to join our MAJESTIC Joint Program Office (JPO) Team in Spri

Full-time

Sr. Systems Administrator

Fort Meade, Maryland

•

Today

PRIMARY RESPONSIBILITIES: Provide expertise for Virtual Desktop Infrastructure (VDI) environment. Lead as the Subject Matter Expert on all VDI related issues/needs. Provide support for ticket escalation on major outages. Be able to work in a rapid paced environment at times. Provide strategic leadership and input with development partners to ensure customers understand emerging needs and technological advancements. Lead the onboarding and standup of new enclaves and environments as needed. Inter

Full-time

USD 50.00 - 60.00 per hour

Senior Systems Administrator

Providence, Rhode Island

•

Today

Location: Providence, RI Salary: $50.00 USD Hourly - $55.00 USD Hourly Description: Job Title: Senior Systems Administrator Location: Remote EST Hours Type: Contract 6+ Months Job Summary: The Senior Systems Administrator supports, maintains, and enhances enterprise IT systems across on-premises and cloud environments. This role leads IT project delivery efforts, resolves complex technical issues, and develops system standards and best practices. The position requires strong expertise in

Contract

USD 50.00 - 55.00 per hour

Senior Systems Administrator / Release Manager

Scott Air Force Base, Illinois

•

Today

Overview DecisionPoint Corporation is seeking a Senior Systems Administrator / Release Manager to support our U.S. Transportation Command (USTRANSCOM) Integrated Booking System (IBS) program. This role is responsible for managing system environments, supporting infrastructure operations, and leading release management activities to ensure reliable and secure deployment of mission-critical transportation and logistics systems.The Senior Systems Administrator / Release Manager will oversee system

Full-time

Sr. Systems Administrator/Engineer

Hybrid in Rockville, Maryland

•

20d ago

Job Title: Sr. Systems Administrator/Engineer Location: Rockville, MD - 3 days/ week Duration: 6+ Months The Senior Systems Administrator/Engineer works under minimal supervision to design, implement, and maintain enterprise Windows infrastructure across hybrid cloud environments and on-premises data centers. This role combines traditional systems administration with modern DevOps practices, leveraging virtualization technologies, multi-cloud platforms (AWS/Azure), and AI-powered tools to ensure

Easy Apply

Contract

Depends on Experience

Senior Systems Administrator/Engineer

Rockville, Maryland

•

Today

Description: Hybrid 3 days onsite / 2 days remote in Rockville, MD Our client seeks a Senior Systems Administrator/Engineer to design, implement, and maintain enterprise Windows infrastructure across hybrid cloud environments and on-premises data centers. The role blends systems administration with DevOps practices, spanning virtualization, multi-cloud platforms, and AI-powered tooling to support operational excellence. The engineer will lead automation, monitoring, and security initiatives wh

Contract

Senior Systems Administrator/Engineer - Windows

Rockville, Maryland

•

Today

Software Guidance & Assistance, Inc., (SGA), is searching for a Senior Systems Administrator/Engineer - Windows for a CONTRACT assignment with one of our premier Regulatory clients in Rockville, MD or Tysons, VA. The Senior Systems Administrator/Engineer works under minimal supervision to design, implement, and maintain enterprise Windows infrastructure across hybrid cloud environments and on-premises data centers. This role combines traditional systems administration with modern DevOps prac

Contract

USD 85.71 - 87.00 per hour

Senior Systems Administrator

Fayetteville, North Carolina

•

Today

Job Number: R0235440 Systems Administrator, Senior The Opportunity Your combination of people skills and system administrator knowledge makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting our client? We're looking for a system administrator who has a background in analyzing, troubleshooting, and resolving system issues to help us maintain system continuity with our client. As a system administrator on our team, you

Full-time

USD 61,900.00 - 141,000.00 per year

Senior Endpoints Systems Administrator

Houston, Texas

•

Today

Job Description The Senior Endpoint Administrator is responsible for managing and modernizing the organization's endpoint environment across a hybrid infrastructure. This role focuses on delivering secure, scalable, and efficient device management solutions using Microsoft Endpoint Manager (SCCM & Intune), Windows 11, and modern provisioning methods such as Autopilot. This position plays a key role in improving endpoint security, automating processes, and ensuring a seamless user experience acr

Full-time

-USD

Senior Cloud Systems Administrator

Upper Marlboro, Maryland

•

Today

Job ID: 2611897 Location: Upper Marlboro, MD, US Date Posted: 2026-04-27 Category: Information Technology Subcategory: Cloud Comp Engr Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: ORA_HYBRID Description SAIC is seeking a highly motivated Senior Cloud Systems Administrator to join our expanding, multi-disciplined team of professionals at our Identity and Data Sciences Labor

Full-time

USD 80,001.00 - 120,000.00 per year

Senior Systems Administrator

New York, New York

•

Today

Job Title: Senior Systems Administrator Location: 4-5 Days On-Site, NYC *Must be located/authorized to work in the US without visa sponsorship or transfer now or in the future. No C2C inquiries, please* The Role This team is looking for a senior Systems Administrator with deep expertise in Windows environments and Microsoft cloud technologies to take ownership of day-to-day IT operations. This person will be a hands-on technical lead, responsible for maintaining stability, driving improvements,

Easy Apply

Full-time

$160000 - $210000

Senior Systems Administrator

Reston, Virginia

•

3d ago

Company DescriptionTechSurSolutions is a digital services company whose mission is to enable digital transformation for our customers to improve quality and efficiency.Based in the DC metropolitan area,TechSurspecializes in advanced cloud services, modernization for both ITstructuresand applications, leveraging Agile development, and Data Analytics.Since we were formed inAugust of2016,we have supported multiple impactful and excitinggovernment programs. Job DescriptionRoles and Responsibilities

Full-time

Depends on Experience

Sr. Linux Systems Administrator

Houston, Texas

•

Today

NAVA Software solutions is looking for a Sr. Linux Systems Administrator Details: Sr. Linux Systems Administrator Location: Houston TX - 4 days/week onsite Duration: 6 -12 months CTH Seeking a Senior Linux Systems Administrator to support our System Administration team. This position requires a true senior engineer who is deeply technical, highly autonomous, and capable of co-owning Linux platform standards, automation direction, and operational excellence alongside the existing senior Linux

Easy Apply

Contract, Third Party

IT Senior Systems Administrator (Network & Transport Division

Hybrid in Miami, Florida

•

4d ago

Minimum Qualifications Bachelor''s degree. Six years of experience in information technology systems administration including creating, analyzing, and managing information technology systems are required. Additional related work experience in information technology systems administration including creating, analyzing, and managing information technology systems may substitute for the required college education on a year-for-year basis. Recruitment Notes The Communications, Information & Technolo

Full-time

96561 - 161053

Senior Windows Systems Administrator

Hybrid in The Bronx, New York

•

12d ago

Position Title: Senior Windows Systems Administrator Location: Bronx New York 10462 Clearance Requirements: Not Applicable, No Pay Rate: $70/hr on w2 Position Description: We are seeking a highly experienced Senior Windows Systems Administrator to join our dynamic contract IT team. The ideal candidate will have 5-7 years of proven expertise managing Windows server environments and SQL databases. This role is pivotal in maintaining, securing, and optimizing our Windows infrastructure and SQL syst

Easy Apply

Contract

$65 - $70

Senior Microsoft Systems Administrator

Alexandria, Virginia

•

5d ago

Location: Alexandria, VA Years Experience: 7+ Years of experience Education: Bachelors Degree Required Clearance: Applicants must be able to obtain and maintain a Public Trust security clearance. United States Citizenship is required as part of the eligibility criteria to be able to obtain this type of security clearance. Certifications: Preferred certifications may include: Microsoft Certified: Azure Administrator CompTIA Network+, or VMware Certified Professional Key Skills: Serve as the se

Easy Apply

Full-time

Depends on Experience

Filter Results

Job post features

Posted date

Work settings

Employment type

Distance

Employer type

Work authorization

senior systems administrator jobs