Linux / Unix Systems Administrator Jobs in Texas

41 - 60 of 724 Jobs

Senior AWS Cloud Systems Operations AdministratorJob Title - Senior AWS Cloud Systems Operations Administrator

Maximus, Inc.Company Name - Maximus, Inc.

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San Antonio, Texas, USA

Full-time

Description & Requirements Maximus is seeking a Senior AWS Cloud Systems Operations Administrator focused on managing AWS workloads, overseeing system deployment, security, and compliance. This administrator will use AWS tools to ensure systems run efficiently, troubleshooting as needed. Their expertise is vital for maintaining DoD system integrity and performance on the cloud. This position is contingent upon award. Maximus TCS (Technology and Consulting Services) Internal Job Profile Code: TC

Mid AWS Cloud Systems Operations AdministratorJob Title - Mid AWS Cloud Systems Operations Administrator

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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San Antonio, Texas, USA

Full-time

Job Number: R0217355 AWS Cloud Systems Operations Administrator, Mid The Opportunity: Are you passionate about maintaining and enhancing cloud infrastructure for mission-critical operations? As an AWS Cloud Systems Operations Administrator, you'll be instrumental in deploying, managing, and optimizing AWS workloads for the Department of Defense ( DoD ) . You'll provide technical leadership, ensure system reliability, and apply innovative solutions to meet security and performance standards. In

Mid AWS Cloud Systems Operations AdministratorJob Title - Mid AWS Cloud Systems Operations Administrator

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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San Antonio, Texas, USA

Full-time

Job Number: R0217304 AWS Cloud Systems Operations Administrator, Mid The Opportunity: Are you passionate about maintaining and enhancing cloud infrastructure for mission-critical operations? As an AWS Cloud Systems Operations Administrator, you'll be instrumental in deploying, managing, and optimizing AWS workloads for the Department of Defense ( DoD ) . You'll provide technical leadership, ensure system reliability, and apply innovative solutions to meet security and performance standards. In

Senior AWS Cloud Systems AdministratorJob Title - Senior AWS Cloud Systems Administrator

M9 SolutionsCompany Name - M9 Solutions

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San Antonio, Texas, USA

Full-time

M9 Solutions is dedicated to providing IT services and solutions to the Federal Government by mobilizing the right people, skills, clearance levels, and technologies to help organizations who desire improved performance and modern, sustainable change. M9 has provided quality IT services and support to more than 30 Federal Agencies and multiple commercial customers nationwide. Our capabilities include digital transformation, software development, cloud migration, applications & infrastructure, cy

Systems Administrator Intern - Summer 2025Job Title - Systems Administrator Intern - Summer 2025

CACI International, Inc.Company Name - CACI International, Inc.

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Remote

Part-time

Systems Administrator Intern - Summer 2025 Job Category: Intern/Co-op Time Type: Part time Minimum Clearance Required to Start: TS/SCI Employee Type: Part-Time On-Call Percentage of Travel Required: Up to 10% Type of Travel: Continental US * * * The Opportunity: CACI is seeking a motivated and tech-savvy intern to join our Service Desk team on the F3I program. This internship offers a unique opportunity to gain hands-on experience in IT support and systems administration. This position w

Systems Administrator IJob Title - Systems Administrator I

Thermo Fisher ScientificCompany Name - Thermo Fisher Scientific

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Remote or Middleton, Wisconsin, USA

Full-time

Work Schedule Standard (Mon-Fri) Environmental Conditions Adherence to all Good Manufacturing Practices (GMP) Safety Standards, Some degree of PPE (Personal Protective Equipment) required (safety glasses, gowning, gloves, lab coat, ear plugs etc.) Job Description Summarized Purpose: Join Thermo Fisher Scientific Inc. as a Systems Administrator I. Work in a dynamic and innovative environment. Ensure system stability and efficient performance. Impact the success of analytical software and dedi

Systems Administrator IIIJob Title - Systems Administrator III

Sierra Nevada CorporationCompany Name - Sierra Nevada Corporation

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Remote or Sparks, Nevada, USA

Full-time

Do you have an eye for detail and a passion for developing innovation solutions? Join our team! As a Systems Administrator , you will be using your skills and expertise to assist in the analysis, development, and configuration of our existing software and systems that address business requirements and processes. You'll be responsible for evaluating the interface between hardware and software, operational requirements, and characteristics of our systems, establishing and documenting system parame

Systems AdministratorJob Title - Systems Administrator

BlueHaloCompany Name - BlueHalo

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San Antonio, Texas, USA

Full-time

Joining the BlueHalo team means immersing yourself in a dynamic environment, working alongside the brightest minds in technology through some of the toughest challenges facing our nation today. We are spearheading the future of global defense, with every BlueHalo employee playing a key role in our success. That's why our investment in you goes beyond competitive pay and a rewarding benefits package. We're committed to providing our people with the best opportunities to develop their skills, shar

Systems Administrator (Network Monitoring)Job Title - Systems Administrator (Network Monitoring)

Govcio LLCCompany Name - Govcio LLC

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San Antonio, Texas, USA

Full-time

Overview: GovCIO is currently hiring for a Systems Administrator (Network Monitoring) for Air Force Intel System. This position will be located in San Antonio, TX and will be an onsite position. Responsibilities: Establishes and maintains smooth operation of computer systems (to include operating systems, software and hardware) in networked or stand-alone configurations, maintains system integrity, and upgrades systems and/or servers as required. May create and document new methods supporting

Systems Administrator (Network Monitoring)Job Title - Systems Administrator (Network Monitoring)

Govcio LLCCompany Name - Govcio LLC

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San Antonio, Texas, USA

Full-time

Systems Administrator (Network Monitoring)Job Title - Systems Administrator (Network Monitoring)

GovCIOCompany Name - GovCIO

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San Antonio, Texas, USA

Full-time

Overview GovCIO is currently hiring for a Systems Administrator (Network Monitoring) for Air Force Intel System. This position will be located in San Antonio, TX and will be an onsite position. Responsibilities Establishes and maintains smooth operation of computer systems (to include operating systems, software and hardware) in networked or stand-alone configurations, maintains system integrity, and upgrades systems and/or servers as required. May create and document new methods supporting n

Systems Administrator 2Job Title - Systems Administrator 2

NightwingCompany Name - Nightwing

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Remote or Annapolis, Maryland, USA

Full-time

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th

Systems Administrator 3Job Title - Systems Administrator 3

NightwingCompany Name - Nightwing

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Remote or Annapolis, Maryland, USA

Full-time

Senior Systems AdministratorJob Title - Senior Systems Administrator

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Fort Bliss, Texas, 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: ACAS, Active Directory (AD), Domain Controllers, Endpoint Security Solutions, Enterprise Mission Assurance Support Service (eMASS)Certifications: CCNA - Cisco, CCNP Security - Cisco, Comptia PenTest+ CE - CompTIA, CompTIA Security + certified (DoD 8570 IAT Level II) - CompTI

Senior Systems AdministratorJob Title - Senior Systems Administrator

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Fort Bliss, Texas, 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: ACAS, Active Directory (AD), Domain Controllers, Endpoint Security Solutions, Enterprise Mission Assurance Support Service (eMASS) Certifications: CCNA - Cisco, CCNP Security - Cisco, Comptia PenTest+ CE - CompTIA, CompTIA Security + certified (DoD 8570 IAT Level II) - Co

Senior Systems AdministratorJob Title - Senior Systems Administrator

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Fort Bliss, Texas, 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: ACAS, Active Directory (AD), Domain Controllers, Endpoint Security Solutions, Enterprise Mission Assurance Support Service (eMASS) Certifications: CCNA - Cisco, CCNP Security - Cisco, Comptia PenTest+ CE - CompTIA, CompTIA Security + certified (DoD 8570 IAT Level II) - Comp

Relativity Senior Systems AdministratorJob Title - Relativity Senior Systems Administrator

Contact Government Services, LLCCompany Name - Contact Government Services, LLC

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San Antonio, Texas, USA

Full-time

Relativity Senior Systems Administrator Employment Type: Full Time Department: Legal/IT We are seeking a Relativity Sr. Systems Administrator to join our team! You will handle a variety of projects to support and improve the organization's network systems. CGS brings motivated, highly skilled, and creative people together to solve the government's most dynamic problems with cutting-edge technology. To carry out our mission, we are seeking candidates who are excited to contribute to governmen

Relativity Senior Systems AdministratorJob Title - Relativity Senior Systems Administrator

Contact Government Services, LLCCompany Name - Contact Government Services, LLC

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Dallas, Texas, USA

Full-time

System Administrator--Insurance/Policy Admin Systems--REMOTEJob Title - System Administrator--Insurance/Policy Admin Systems--REMOTE

Beacon HillCompany Name - Beacon Hill

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Remote

Contract

Job Title: Systems Administrator - Policy Administration Systems Type: Contract-to-Hire (Temp-to-Hire) Location: 100% Remote (U.S.-based candidates only) Industry: Financial Services - Life, Annuities, Health Insurance Position Overview We are seeking a highly motivated and detail-oriented Systems Administrator to support a blend of mainframe and Java-based applications within our client's Policy Administration Systems domain. This individual will play a key role in the operational support, co

Systems Administrator 3Job Title - Systems Administrator 3

Randstad DigitalCompany Name - Randstad Digital

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Remote or Redmond, Washington, USA

Contract

job summary: We are seeking a highly skilled and motivated Linux System Administrator with at least 5 years of hands-on experience in Linux systems administration and 3 years of Perforce (Helix Core) administration experience. The ideal candidate will also have a strong background in Infrastructure as Code (IaC), particularly using Terraform, to support our growing infrastructure and DevOps initiatives. location: Redmond, Washington job type: Contract salary: $31 - 41 per hour work hours: 8