systems administrator Jobs

321 - 340 of 888 Jobs

Systems Administrator, SeniorJob Title - Systems Administrator, Senior

General DynamicsCompany Name - General Dynamics

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Huntsville, Alabama, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Information Technology (IT) Systems, Infrastructure Support, Virtual Environments Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: GDIT is seeking qualified candidates to support the Missile Defense Agency (MDA)

Multi-Cloud Systems AdministratorJob Title - Multi-Cloud Systems Administrator

LeidosCompany Name - Leidos

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Indianapolis, Indiana, USA

Full-time

Leidos is seeking an experienced Multi-Cloud Systems Administrator to join our growing team. The successful candidate will be a seasoned professional with robust experience and proficiency in managing Windows and Linux servers within a multi-cloud environment. You will play a vital role in engineering solutions and maintaining compute and storage infrastructures, delivering efficiency through automation, and ensuring scalability, flexibility, and compliance. Specifically, in this role you will

Senior Systems Administrator - Clearance RequiredJob Title - Senior Systems Administrator - Clearance Required

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Grand Forks, North Dakota, USA

Full-time

Job Description The OE/SA performs general account maintenance, group policy and anti-virus updates, preventative maintenance, and provides Information Assurance (IA) support. Candidate must have experience with computer networking. Strong oral and written communication skills, along with the ability to work within an operations team along with close customer interactions. Position requires frequent use and application of technical standards, principles, concepts, and techniques. Candidate must

Senior Systems Administrator - Clearance RequiredJob Title - Senior Systems Administrator - Clearance Required

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Huntsville, Alabama, USA

Part-time

Job Description The System Administrator performs general account maintenance, group policy and anti-virus updates, preventative maintenance, and provides Information Assurance (IA) support. Candidate must have experience with computer networking. Strong oral and written communication skills, along with the ability to work within an operations team along with close customer interactions. Position requires frequent use and application of technical standards, principles, concepts, and techniques.

Systems Administrator / Network Technician IIJob Title - Systems Administrator / Network Technician II

Epsilon Systems Solutions, Inc.Company Name - Epsilon Systems Solutions, Inc.

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San Diego, California, USA

Full-time

Epsilon C5I, Inc. (, is seeking a skilled and motivated System Administrator/Network Technician with 4-8 years of experience, to join our team in San Diego. If you have a passion for excellence in engineering and enjoy working on challenging projects in a fast-paced, team-oriented environment - read on! Position Summary: This individual will lead the development, configuration, and testing of critical program systems. This role requires a hands-on professional with a strong background in networ

Network/Systems Administrator IIIJob Title - Network/Systems Administrator III

General DynamicsCompany Name - General Dynamics

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Colorado Springs, Colorado, 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 Public Trust/Other Required: None Job Family: Network Administration Job Qualifications: Skills: Computer Backups, Computer Networking, Local Area Network (LAN) Certifications: None Experience: 4 + years of related experience ship Required: Yes Job Description: NETWORK ADMINISTRATOR COLORADO SPRINGS, CO Long term program with additional PTO and upwa

SAR/SCI Systems Administrator - Advanced 1Job Title - SAR/SCI Systems Administrator - Advanced 1

Johns Hopkins University AppliedPhysicsLaboratoryCompany Name - Johns Hopkins University AppliedPhysicsLaboratory

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Laurel, Maryland, USA

Full-time

Description Do you love solving complex technical problems in customized IT environments? Are you passionate about providing advanced system administration support for unique, mission-critical projects? Do you like contributing to innovative projects that directly impact national security? If so, we're looking for someone like you to join our team at APL. We are seeking a talented Tier 3 Systems Administrator to expertly manage, secure, and maintain customized Windows and Linux environments

Systems Administrator - Mid-CareerJob Title - Systems Administrator - Mid-Career

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Moorestown, New Jersey, USA

Full-time

Job Description WHAT WE'RE DOING At Lockheed Martin Rotary and Mission Systems, we're on a mission to drive innovation and uphold the highest standards of business ethics. We believe that by pushing the boundaries of visionary thinking, we can achieve exceptional results. As a Lockheed Martin employee, you'll have the opportunity to make a meaningful impact while working in an environment that values integrity and excellence. THE WORK Responsible for the installation, configuration, maintenanc

Multi-Cloud Systems AdministratorJob Title - Multi-Cloud Systems Administrator

LeidosCompany Name - Leidos

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Gaithersburg, Maryland, USA

Full-time

Leidos is seeking an experienced Cloud Engineer to join our growing team. The successful candidate will be a seasoned professional with robust experience and proficiency in managing multi-cloud environments and architecture. You will play a vital role in engineering solutions, establishing and enforcing governance models, delivering efficiency through automation, and enforcing regulatory compliance of cloud resources. Specifically, in this role you will be responsible for: Cloud Administration:

Systems Administrator Senior (App Dev) - TS/SCI requiredJob Title - Systems Administrator Senior (App Dev) - TS/SCI required

General DynamicsCompany Name - General Dynamics

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Savannah, Georgia, 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: Active Directory (AD), Computer Servers, Microsoft Windows Server Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: GDIT is seeking a Systems Administrator Senior (App Dev) to help support the

Systems AdministratorJob Title - Systems Administrator

LeidosCompany Name - Leidos

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Honolulu, Hawaii, USA

Full-time

The Leidos National Security Sector is seeking a highly skilled PACAF C5ISRO Systems Engineer to join our team at Hickam Air Base, Hawaii. This position demands a seasoned professional capable of analyzing, designing, and implementing C5ISR JWICS systems capabilities. The successful candidate will also be responsible for developing integration and implementation plans, evaluating both Commercial and Government Off-The-Shelf (COTS/GOTS) hardware and software applications, and supporting system op

Linux Systems AdministratorJob Title - Linux Systems Administrator

LeidosCompany Name - Leidos

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Beavercreek, Ohio, USA

Full-time

Are you ready to make an impact? Leidos Chief Information Security team within the Digital Modernization sector is seeking an experienced Linux Systems Administrator to work onsite in Beavercreek, Ohio. You will bring Linux skills to perform testing, deploying, maintaining, and administering cyber systems across networks along with their infrastructure of hardware/software. Daily duties may include protecting, configuring and managing servers and computers systems, installing software and syste

ICAM Systems AdministratorJob Title - ICAM Systems Administrator

LeidosCompany Name - Leidos

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Washington, USA

Full-time

Leidos is looking for a ICAM Systems Administrator to support a large U.S. Department of Justice (DOJ) program. The Antitrust Division of the U.S. Department of Justice (DOJ) is responsible for enforcing federal antitrust laws and promoting fair competition in the marketplace. The ICAM Systems Administrator will be responsible for the management, configuration, and support of enterprise-level Active Directory, Azure AD, and Okta environments. This role requires deep technical expertise in identi

Senior Sharepoint Engineer/Systems Administrator (R3283)Job Title - Senior Sharepoint Engineer/Systems Administrator (R3283)

Shield AI IncCompany Name - Shield AI Inc

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Washington, District of Columbia, USA

Full-time

Founded in 2015, Shield AI is a venture-backed defense technology company with the mission of protecting service members and civilians with intelligent, autonomous systems. Its products include Hivemind Enterprise-EdgeOS, Pilot, Commander, and Forge-as well as V-BAT and Sentient Vision Systems (wide-area motion imaging software). With offices in San Diego, Dallas, Washington, D.C., Abu Dhabi (UAE), Kyiv (Ukraine), and Melbourne (Australia), Shield AI's technology actively supports U.S. and allie

Systems Administrator, Senior/SME (SCITLS)Job Title - Systems Administrator, Senior/SME (SCITLS)

General DynamicsCompany Name - General Dynamics

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Offutt Air Force Base, Nebraska, USA

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Engineering (General) Job Qualifications: Skills: Capacity Utilization, IT Capacity Planning, Performance Metrics, Storage Performance, Technical Solutions Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Your Impact Own your opportunity to work with the larges

Systems Administrator Senior - TS/SCI requiredJob Title - Systems Administrator Senior - TS/SCI required

General DynamicsCompany Name - General Dynamics

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Shafter, California, USA

Full-time

Type of Requisition: Pipeline 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: Active Directory (AD), IT Hardware, Microsoft Windows Server Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Systems Administrator Senior - TS/SCI required Transform technology into opport

Account Systems Administrator - TS/SCI w/PolyJob Title - Account Systems Administrator - TS/SCI w/Poly

General DynamicsCompany Name - General Dynamics

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Annapolis, Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Communication, Data Entry, Group Problem Solving, Microsoft Office Certifications: CompTIA - Security+ - CompTIA Experience: 3 + years of related experience ship Required: No Job Description: Account Systems Administrator Transform

Mid-Level Linux Systems AdministratorJob Title - Mid-Level Linux Systems Administrator

Boeing CompanyCompany Name - Boeing Company

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Berkeley, Missouri, USA

Full-time

Mid-Level Linux Systems Administrator Company: The Boeing Company The Boeing Company is currently seeking a Mid-Level Linux Systems Administrator to join the Specialized United States Infrastructure Operations Organization team in Berkeley, MO. This position will install, operate, secure and maintain dedicated Program Information Technology Infrastructure that is required to deliver products to our customers. As a Linux Administrator, your expertise will play a crucial role in integrating log

Systems Administrator, Senior Analyst, Naval Power Tucson AZ ONSITEJob Title - Systems Administrator, Senior Analyst, Naval Power Tucson AZ ONSITE

RTX CorporationCompany Name - RTX Corporation

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Tucson, Arizona, USA

Full-time

Date Posted: 2025-04-29 Country: United States of America Location: AZ805: RMS AP Bldg 805 1151 East Hermans Road Building 805, Tucson, AZ, 85756 USA 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: DoD Clearance: Secret Systems Administrator, Senior Analyst P2 Raytheon Digital Technology Program Digital Services - Naval Power Tucson

Senior Systems AdministratorJob Title - Senior Systems Administrator

LeidosCompany Name - Leidos

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Lorton, Virginia, USA

Full-time

The Multi Domain Solutions Division at Leidos is looking for a Senior Systems Administrator to support a fast-paced program with the Air Force Life Cycle Management Center. This role involves supporting the delivery of comprehensive IT and support services to ensure mission success while adhering to DoD standards and regulations. The Senior Systems Administrator will ensure accounts for the enterprise solution are created and managed across multiple classification levels. Primary Responsibiliti