Principal Linux Systems Administrator Jobs

161 - 180 of 2,330 Jobs

Senior Red Hat Linux Administrator Consultant- Hybrid Annapolis, MDJob Title - Senior Red Hat Linux Administrator Consultant- Hybrid Annapolis, MD

Stellar IT SolutionCompany Name - Stellar IT Solution

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Annapolis, Maryland, USA

Third Party, Contract

5/5/2025 @4:30PM EST Position: Senior Red Hat Linux Administrator Consultant - PORFP K23-0094-25L-7 Location: 189 Harry S Truman Parkway, Annapolis, MD 21401 Onsite/ Remote: Hybrid Duration: Long-Term Submission Limit: 1 Can submit 1 candidate Must provide copy of degree & other evidence (i.e. transcript) Must provide copy of resources' Red Hat Certified Systems Administrator certification Signed Attachment O Resource Acknowledgement 2 days remote, 3 days on-site (Hybrid) Summary The AOC

Systems AdministratorJob Title - Systems Administrator

Base-2 Solutions, LLCCompany Name - Base-2 Solutions, LLC

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Annapolis, Maryland, USA

Full-time

Job Description Base-2 Solutions is seeking a Systems Administrator 3 who provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. Manages IT system infrastructure and any processes related to these systems. Provides support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc. Provides Tier 1 (Help Desk) and Tier 2 (Escalation) problem identi

Systems AdministratorJob Title - Systems Administrator

Robert HalfCompany Name - Robert Half

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Brandon, Mississippi, USA

Full-time

Description We are looking for a dedicated Systems Administrator to join our IT team. This role requires expertise in managing enterprise systems across various platforms, including Windows, Linux, and cloud environments, with a focus on automation and identity management. Ideal candidates will have a background in structured and regulated environments and a strong commitment to ensuring system security and efficiency. Responsibilities: Administer and maintain enterprise systems across Windows,

Systems Administrator IIIJob Title - Systems Administrator III

Judge Group, Inc.Company Name - Judge Group, Inc.

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Englewood, Colorado, USA

Contract

Location: Englewood, CO Salary: $65.00 USD Hourly - $70.00 USD Hourly Description: Job Title: Systems Administrator Location: Englewood, CO 80112 Contract: 6+ Months About the Role We're looking for an experienced Infrastructure Systems Engineer to manage and optimize our on-premise and cloud-based IT infrastructure. You'll play a key role in maintaining system reliability, supporting AI platforms, and ensuring compliance with security standards like NIST 800-171. Responsibilities: Manage

Systems AdministratorJob Title - Systems Administrator

General DynamicsCompany Name - General Dynamics

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Springfield, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Microsoft Windows, Network Administration, System Administration Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a Systems Administrator with GDIT. A

Systems Administrator Expert - Backup and ConfigurationJob Title - Systems Administrator Expert - Backup and Configuration

General DynamicsCompany Name - General Dynamics

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Washington, District of Columbia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Backup and Recovery (Software), Computer Backups, Information Technology (IT) Systems Certifications: None Experience: 15 + years of related experience ship Required: Yes Job Description: Systems Administrator Expert - Backup and Configuration Transform technology into oppor

Systems Administrator/IntegratorJob Title - Systems Administrator/Integrator

Kratos Defense and Security Solutions, Inc.Company Name - Kratos Defense and Security Solutions, Inc.

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Colorado Springs, Colorado, USA

Full-time

Job Description Ready for What's Next? Kratos is a leader in assured aerospace communication solutions and services. We are cutting-edge innovators and creative problem solvers working collaboratively to solve our customers' toughest challenges. Our culture is fast-paced and innovative. We are a trusted partner-driven by doing the right thing and achieving maximum success for our customers, our partners and ourselves. Kratos is offering an exciting opportunity for a CCS-C Systems Administrato

Windows Systems AdministratorJob Title - Windows Systems Administrator

LeidosCompany Name - Leidos

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Arlington, Virginia, USA

Full-time

We are currently seeking a Windows Systems Administrator to join the Compartmented Enterprise Services Office (CESO) effort. This program is establishing a modern secure web service (SWS) operation as part of a state-of-the-art, highly automated platform capable of supporting a rapidly expanding customer population. Apply today to become part of the Leidos team that is assisting CESO as they migrate to a high security cloud environment by providing network and communication services, monitoring

Systems AdministratorJob Title - Systems Administrator

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Springfield, Virginia, USA

Full-time

Systems AdministratorJob Title - Systems Administrator

General DynamicsCompany Name - General Dynamics

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Bluemont, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: EMC Storage Area Network (SAN) Administration (Inactive), Unix System Administration, Windows System Administration Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Transform technology into o

Systems AdministratorJob Title - Systems Administrator

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Springfield, Virginia, USA

Full-time

Systems AdministratorJob Title - Systems Administrator

American Systems CorporationCompany Name - American Systems Corporation

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Chantilly, 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.This position is on site, Monday - Friday from 11am to 7pm, at a medical system testing facility in Chantilly VA. Responsibilities Support engineering solutions and provide hands-on customer support Engage face to face and virtual

Senior Windows Systems Administrator VMWare SMEJob Title - Senior Windows Systems Administrator VMWare SME

SAICCompany Name - SAIC

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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

Senior Linux IT Systems Engineer / Active Clearance / Orlando, FLJob Title - Senior Linux IT Systems Engineer / Active Clearance / Orlando, FL

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Orlando, Florida, USA

Full-time

Job Description This role is for a Classified Linux IT Systems Engineer with a focus on supporting Red Hat-based Linux distributions, Kubernetes and High Performance Computing (HPC) clusters. Linux System administration of heterogeneous networks integrated into Windows Server Active Directory Domains. VMWare vSphere Infrastructure management of ESX clusters spanning multiple distributed networks. Maintain operating system cyber compliance, upgrades, and patching. (Windows/Linux/VMWare) Perform

Systems AdministratorJob Title - Systems Administrator

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Bluemont, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: EMC Storage Area Network (SAN) Administration (Inactive), Unix System Administration, Windows System Administration Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Transform technology into

Systems AdministratorJob Title - Systems Administrator

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Bluemont, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: EMC Storage Area Network (SAN) Administration (Inactive), Unix System Administration, Windows System Administration Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Transform technology into o

Systems AdministratorJob Title - Systems Administrator

Apex SystemsCompany Name - Apex Systems

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El Segundo, California, USA

Full-time

Job#: 2037008 Job Description: Apex Systems is seeking a Systems Administrator to design, install, operate, secure and maintain dedicated Program Information Technology Infrastructure. The environment consists of multiple sites and networks with servers and High Performance Computing Clusters running Red Hat Linux in multiple locations around the U.S. and growing. Future expansion will include WNDRVR VxWorks embedded Linux operation systems. Linux and Windows servers host engineering application

Systems AdministratorJob Title - Systems Administrator

IES Holdings, Inc.Company Name - IES Holdings, Inc.

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Tempe, Arizona, USA

Full-time

Must have - Microsoft Azure, On-Prem Security, and PowerShell Scripting Job Summary: Under the direction of the IT Manager, the IT Administrator will be responsible for a Windows domain, multiple network, multi-location infrastructure management and operations. Duties will also include maintaining servers, workstations, and provide help desk support to end users. Job Duties and Responsibilities: Set up and maintain basic network operations, including assembly of network hardware and provide as

Modernization Cyber Systems Administrator - SA1Job Title - Modernization Cyber Systems Administrator - SA1

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Maryland, USA

Full-time

Job Description Who You Are: Here, you are going to provide life-cycle services to advance mission in support of Cybersecurity and SIGINT midpoint collection. You will modernize and sustain capabilities to include providing new features and enhancements to Front End Solutions systems. This will allow for products to work at-scale with processing of target communications across multiple types of Midpoint accesses. You will propel the customer into the next phase of product suite modernization by

Senior Red Hat Systems AdministratorJob Title - Senior Red Hat Systems Administrator

Harris CorporationCompany Name - Harris Corporation

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Anaheim, California, USA

Full-time

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris Technologie