Windows/Linux System Administrator Jobs

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Systems Administrator - Linux/Windows

GovCIO

•

Remote

Full-time

Overview Provide on-going support for the administration of the core system applications and perform operational tasks such as monitoring system resources and perform routine maintenance tasks in support of 24x7 life cycle applications to include on-call support. Work location is hybrid with periodic customer site work activities. Must be willing to work nights, have a Security+ certification, and an active Top Secret clearance. Responsibilities Position Description: In this role you will: Pr
Posted 31 days ago | Updated 9 hours ago

System Engineer, Windows, Linux

Motion Recruitment Partners, LLC

•

Pennsylvania, USA

Full-time

A financial organization is growing and looking to hire a Senior System Engineer to join their Infrastructure team. In this role, you will be supporting a mixed Windows and Linux environment both on the server and OS side. They are looking for someone who can do project based work as well as day to day engineering. You will also be working heavily with M365 technologies including Intune, EntraID, and O365. This is an on prem environment so they need someone who can do hands on engineering work.
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Posted 42 days ago | Updated 9 hours ago

Senior Systems Administrator (Windows/Linux)

American Systems Corporation

•

Washington, District of Columbia, USA

Full-time

Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. Responsibilities THIS POSITION INCLUDES A $5,000 SIGN-ON BONUS! As a Senior Systems Administrator, you will: Support on-premises Windows and Linux infrastructure and applications.Provide Tier II support for production and devel
Posted 53 days ago | Updated 1 hour ago

IT Systems Administrator, Sr (Linux / Windows) / Top Secret / TX

Lockheed Martin Corporation

•

Fort Worth, Texas, USA

Full-time

Job Description This position is part of the Enterprise Business Digital Transformation organization, supporting the Lockheed Martin Aeronautics Business Area. This position successfully applies technology to meet service commitments for our primary clients; Lockheed Martin (LM) Aeronautics Business Area (BA) and the Enterprise Business & Digital Transformation organization. The selected candidate will join the Classified IT support team, performing IT Systems Administration across multiple pla
Posted 49 days ago | Updated moments ago

System Administrator (Windows or Linix Admin)

Mindlance

•

New Castle, Delaware, USA

Contract

System Administrator (Windows or Linix Admin) Location: New Castle, DE 19720, USA Duration: 12 months (possible extension or conversion) Job Description Must have 5 years of experience in system Administration (windows or Linux server Admin)Should have basic netwrking experience.PKI expereince is an added advantage.Security (network or cyber) is an added advantage.Linux OS expereince is mandatory.Good to Have Certifications (CISSP, CCNA/CCNP, CEH, Redhat, ITIL, MCSE)
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Posted 36 days ago | Updated 9 days ago

Linux/Unix System Administrator

Marlabs LLC

•

San Jose, California, USA

Contract

Linux/Unix System Administrator Duration: 12 Months Location: San Jose, CA 95138 Position Summary: The DevOps/System Engineer is responsible for effective installation/configuration, operation, and maintenance of systems hardware and software and related infrastructure. The system administration tasking will be focused on improving the stability and performance of the system, maintaining and improving the security posture of the systems, continuous monitoring of system health, and troubleshooti
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Posted 31 days ago | Updated 25 days ago

Senior Windows System Administrator

General Dynamics

•

Sierra Vista, Arizona, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Microsoft Windows Server Platform, Virtual Servers, Windows Server Update Services (WSUS) Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a Senior Window Systems Administrator wit
Posted 4 days ago | Updated moments ago

Senior Windows System Administrator

Raytheon

•

El Segundo, California, USA

Full-time

Date Posted: 2025-06-18 Country: United States of America Location: CA222: 2006 E El Segundo Blvd BldgE04 2006 East El Segundo Boulevard Building E04, El Segundo, CA, 90245 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher callin
Posted 1 day ago | Updated 2 hours ago

Principal Engineer - Cloud and Linux/Windows Systems

Ledgent Technology

•

Bloomington, Minnesota, USA

Full-time

Job Title: Principal Engineer - Cloud and Linux/Windows Systems Location: Hybrid Remote (3 days onsite in Bloomington, MN); candidates must be based in the Minneapolis-St. Paul, MN metro area Salary Range: $120,000-$155,000 + bonus (based on education, experience, and skills) Note: Sponsorship is not available for this position. This is a Direct hire/FTE W2 role and candidates must be eligible to work without sponsorship both now and in the future. Summary: Our client is seeking a seasoned P
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Posted 17 days ago | Updated 1 hour ago

Systems Engineer-Linux/Windows

Elite Technical

•

Manassas, Virginia, USA

Contract

Absolutely no third parties please !! Our direct client is seeking a Systems Engineer for a long term consulting engagement. This is an onsite position in Manassas VA. Requires a Bachelor's degree in STEM field and 5+ years of job-related experience or a Master's degree plus 3 years of job-related experience. Agile experience preferred.. Strong Linux & Windows systems administration skills Familiarity with Red Hat High Availability solutions (Pacemaker, PCS, DRBD) Experience with virtualizatio
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Posted 16 days ago | Updated 9 days ago

Senior Windows System Administrator

Motion Recruitment Partners, LLC

•

Phoenix, Arizona, USA

Full-time

We are looking for a Senior System Administrator to join this growing team! This is a full-time, remote position; however, we are seeking someone located in the greater Phoenix area who can come into the office occasionally for mission-critical events and team-building activities. Are you looking for a dynamic opportunity with a Phoenix-based company to work as a Senior System Administrator? Look no further-this could be the opportunity for you! As a Senior System Administrator, you will play a
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Posted 24 days ago | Updated 9 hours ago

Senior Windows System Administrator

RTX Corporation

•

El Segundo, California, USA

Full-time

Date Posted: 2025-06-17 Country: United States of America Location: CA222: 2006 E El Segundo Blvd BldgE04 2006 East El Segundo Boulevard Building E04, El Segundo, CA, 90245 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to
Posted 12 days ago | Updated moments ago

Platform Engineer Data Center Migration (Windows & Linux)

AQUA Information Systems, Inc.

•

St. Louis, Missouri, USA

Contract

Title/Role: Platform Engineer Data Center Migration (Windows & Linux) Work Location: St. Louis, MO Please share profiles to Skills: large-scale server migrations/data center transitions, Windows server administration, Linux Distribution, Server build, Patching, monitoring, performance tuning, data center environment (physical/virtual handling), ticketing systems (service now, JIRA), PowerShell scripting, Bash/SSH scripting, Automation tool (Ansible or similar), basic knowledge in firewall rules,
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Posted 8 days ago

Senior Windows System Administrator - TS/SCI Required

Jacobs

•

Fort Belvoir, Virginia, USA

Full-time

Amentum is a leading global provider of technical and engineering services to government and commercial customers. We are dedicated to delivering innovative solutions to complex challenges in the defense, intelligence, and civilian markets. With 50,000 employees worldwide, we leverage our extensive experience, cutting-edge technology, and proven processes to provide exceptional value to our customers. Your Impact: INSCOM executes mission command of operational intelligence forces; conducts worl
Posted 33 days ago | Updated moments ago

Senior Windows/Linux Engineer

Apex Systems

•

Charlotte, North Carolina, USA

Full-time

Job#: 2078905 Job Description: Position: Security Engineer IV Location: Charlotte, NC 4x/week onsite Contract Length: 12 months Top Requirements: Windows, Linux AdministrationHeavier on the Linux side if leaning one wayVMwareOperating systems run as virtual devices in VMware.Storage background (SAN, NAS) Plusses Tanium Used to deploy patches and software for server operating systems, inventory functionality and threat detection software. Used for Linux and WindowsStrongly preferred, but not r
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Posted 14 days ago | Updated 1 hour ago

Windows System Administrator

Sun Technologies,Inc.

•

Remote

Contract

Job Title: Windows System Administrator Duration: up to 12 months contract (with the possibility of extension) Location: Remote Work / Work from Home Pay Rate: $60/hr - $70/hr on W2 [the pay rate may differ depending on your skills, education, experience, and other qualifications] Featured Benefits: Medical Insurance in compliance with the ACA401(k)Sick leave in compliance with applicable state, federal, and local laws Skills Required: 8+ years of experience as a Windows Server Administrator o
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Posted 60+ days ago | Updated 8 days ago

Platform Engineer Data Center Migration (Windows & Linux)

AQUA Information Systems, Inc.

•

St. Louis, Missouri, USA

Contract, Third Party

Skills: large-scale server migrations/data center transitions, Windows server administration, Linux Distribution, Server build, Patching, monitoring, performance tuning, data center environment (physical/virtual handling), ticketing systems (service now, JIRA), PowerShell scripting, Bash/SSH scripting, Automation tool (Ansible or similar), basic knowledge in firewall rules, ports and OS-level security, Basic knowledge in Cloud platform (Azure, Google Cloud Platform) Key Responsibilities: Partici
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Posted 9 days ago

Systems Engineer (Linux / Windows)

American Systems Corporation

•

Fredericksburg, Virginia, USA

Full-time

Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. We are looking for a mission-driven professional with a Top-Secret clearance to join our team as a Systems Administrator. Responsibilities As a Systems Administrator, you will have the opportunity to do the following: Join an al
Posted 53 days ago | Updated 1 hour ago

Disaster Recovery Expert, Azure, Windows, Linux - Hybrid - Long term contract - Washington, DC - B3962B

Technovision, Inc.

•

Washington, District of Columbia, USA

Contract, Third Party

Our direct client is looking for a Disaster Recovery Expert, Azure, Windows, Linux for a Hybrid Long term contract position in Washington, DC. Note: - Only submit local candidates to DMV region - Hybrid position - candidate will be required to be on-site 3x/week in the near future Job Description: Strategy & Planning: - Conduct risk assessments and business impact analyses to identify vulnerable areas within the company s critical functions. - Recommend and implement disaster avoidance strateg
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Posted 3 days ago

Senior Windows Systems Administrator VMWare SME

SAIC

•

Chantilly, Virginia, USA

Full-time

Job ID: 2506329 Location: CHANTILLY, VA, US Date Posted: 2025-06-03 Category: Information Technology Subcategory: IT Systems Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is looking for an ambitious Senior Level System Administrator/VMWare SME like you! Candidates will join a fast-paced and growing team of System Administrators in supporting
Posted 30 days ago | Updated 10 hours ago