Unix Systems Administrator Jobs in USA

ResponsibilitiesPeraton is seeking a Senior Systems Administrator to support enterprise infrastructure operations for NASAs Deep Space Network (DSN) Administrative Network in Monrovia CA. This role is responsible for provisioning configuration operations maintenance and support of enterprise systems...

Job Description IERUS specializes in electromagnetic spectrum technologies and design for RF IR and optical applications. IERUS also supports customers with a diverse set of competencies including software development air and missile defense and systems engineering. IERUS develops value...

About us: At Plexus our vision is to help create the products that build a better world. Driven by a passion for excellence we partner with leading Aerospace/Defense Healthcare/Life Sciences and Industrial companies to design manufacture and service some of the worlds most transformative products in...

Responsibilities & QualificationsRESPONSIBILITIESThe Systems Administratoris expected to be able to accomplish the following:Monitors andmanagessystem resources including CPU usage disk usage and response times tomaintainoperating efficiency.Performs systems security administration functions includi...

ABOUT THE JOB:We are seeking a Systems Administrator to own the deployment maintenance and support of software and tools across our manufacturing lines. This role blends traditional system administration with elements of network administration focusing on ensuring production systems are secure relia...

As an employee-owned company DMA prioritizes employees. Low turnover rates and tenured teams are living proof:2025 Great Places to Work CertifiedEmployee stock ownership program eligibility begins on day one of employment (ESOP contribution is targeted at 6% of your annual compensation)Company paid...

Requisition Number:26724Required Travel: 0 - 10%Employment Type:Full Time/Salaried/ExemptAnticipated Salary Range:$90000.00-$105000.00Security Clearance:TS/SCILevel of Experience:MidThis opportunity resides with Warfare Systems (WS) a business group within HIIs Mission Technologies division. Warfare...

ABOUT THE JOB:We are seeking a Systems Administrator to own the deployment maintenance and support of software and tools across our manufacturing lines. This role blends traditional system administration with elements of network administration focusing on ensuring production systems are secure relia...

At Bloom Energy our vision for a world powered by clean reliable and affordable energy is more than just a dreamwere making it reality.For over two decades weve been at the forefront of the global energy transition pioneering solutions that empower critical industries to thrive in a rapidly digitizi...

Responsibilities & QualificationsRESPONSIBILITIESThe Senior Systems Administratoris expected to be able to accomplish the following:Monitors andmanagessystem resources including CPU usage disk usage and response times tomaintainoperating efficiency.Performs systems security administration functions...

ResponsibilitiesPeraton is seeking a Linux Systems Administrator with an active TS/SAP clearance to join our team supporting mission-critical operations. The ideal candidate will manage maintain and enhance secure Linux-based environments while ensuring uptime and performance for essential applicati...

Role Overview:We are seeking a skilled Practice Systems Administrator to join our IT department responsible for the technical management optimization and support of our practice management and imaging systems. This role focuses on ensuring system reliability integrations and data integrity while sup...

Job DescriptionJob DescriptionWhen was the last time you changed the world In Virginia Techs Division of Student Affairs thats exactly what were doing every dayguiding nurturing and supporting students as they learn and grow into the leaders and world-changers of today and tomorrow.Were currently se...

Technology Resource Experts LLCis looking for an experienced Systems Administrator to join their rapidly growing team!Conduct functional and connectivity testing to ensure continuing operability.Develop and document systems administration standard operating procedures.Maintain baseline system securi...

Job No: 553696; 12/10/2025SENIOR SYSTEMS ADMINISTRATORSystems Administrator IIIITS/IT Infrastructure ServicesSalary Range: $7284- $10611/Monthly(Budgeted Hiring Salary Range $8042 - $10611/Monthly)Work Schedule: Full-Time Monday - Friday 8:00 a.m. to 5:00 p.m.; Exempt classification.Essential Functi...

ResponsibilitiesJoinPeratonsmission-critical team supporting secure real-time data delivery across complex operational environments in direct support of our nations warfighters. If you are driven by national security and energized bycutting-edgeC2ISR capabilities sensor integration and resilient dat...

Position Description:Seeking an experienced Cloud Systems Administrator to join our SITE III Directorate Operations (DO) team supporting the U.S. Intelligence Community. Your efforts will ensure robust reliable intelligence collection and dissemination supporting defense intelligence combatant comma...

DescriptionJob Summary:Supports the organization by maintaining updating and securing the information technology infrastructure of the agency. Duties/Responsibilities:Performs hardware and software installation and configuration for network devices and servers.Monitors performance and security of se...

ResponsibilitiesPeraton is currently seeking a System Administrator - VirtualizationAs a Virtualization Administrator at Peraton you will play a crucial role in maintaining and optimizing the virtual infrastructure that supports the mission-critical operations of the GCC. You will administer develop...

Your next role as a Miracle MakerMaravai LifeSciences is seeking a #MiracleMaker to join our IT team as a Senior Systems Administrator. As aSenior Systems Administrator you will be responsible for overseeing and supporting both thecorporate infrastructure (On-Prem) and business critical cloud platfo...