Mainframe System Administrator Jobs in USA

Are you ready to make a meaningful impact with a company that values your technical ambitionJoin us and experience a company where your contributions truly make a difference!CLOUD System Administrator II!Active TS/SCI with Polygraph requiredBS in technical field 8 years experience ORHigh School 12...

Administer and support ICCUs AI systems and Microsoft 365 Copilot environment by managing platform configuration permissions governance and team member access. This role is responsible for building deploying and maintaining bots and agents; supporting AI-related requests; and helping ensure AI tools...

Department Information*Updated announcement from current CDPS classified employees to open competitive effective 6/17/2026THIS POSTING IS ONLY OPEN TO RESIDENTS OF THE STATE OF COLORADO AT THE TIME OF SUBMITTING YOUR APPLICATION.An eligible list established with this recruitment may be used to fill...

Description: Columbia Technology Partners is seeking a Linux System Administrator 2 to support the day-to-day operations maintenance and performance of mission-critical IT systems. This role focuses on administering Linux-based environments while supporting system reliability troubleshooting and ope...

Date Posted: Country:United States of America Location:US-TX-MCKINNEY-513WC 2501 W University Dr WING C BLDG 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 securi...

AEITS seeks a Systems Administrator Level 2.This is a shift work working weeknights and weekendsSun - Thurs 2pm10pm orMon Fri 2pm 10pm Position Description:Performs installation maintenance and repair of telecommunications systems.Provide 24/7 mission and infrastructure monitoring notification admi...

System Administrator (Experienced Senior or Lead)Company:The Boeing CompanyThe Boeing Defense Space & Security (BDS) organization Intelligence Systems portfolio is seeking a System Administrator (Experienced Senior or Lead) to join our Mission Operations team in Herndon VA.Our team focuses on delive...

JOB TITLE: System Administrator LOCATION: Riviera Beach FL PAY RATE: $22.00-42.00/hour We are a national aerospace and defense staffing agency seeking highly qualified candidates for a position with a top-tier client. Job Details: Job Type: Contract (6 months with potential for extension)...

Primary Function of PositionThe Senior System Administrator is responsible for the administration optimization and strategicevolution of the organizations Content Management System (CMS) Translation ManagementSystem (TMS) and related technologies. This role leads the implementation maintenanceintegr...

Date Posted: Country:United States of America Location:US-AZ-TUCSON-E Hermans Rd BLDG 802 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...

As our System Administrator you will play a critical role in maintaining and improving our IT infrastructure. You will be responsible for the installation configuration and maintenance of our network and server systems as well as troubleshooting any technical issues that may arise. Additionally you...

We are currently seeking a full-time System Administrator to join our team. This is a salaried position with benefits including health insurance paid time off and retirement options. The System Administrator will report directly to the IT Manager and will be responsible for maintaining and optimizin...

We are seeking a highly skilled and motivated System Administrator to join our team in Chicago Illinois. The System Administrator will be responsible for the overall maintenance and management of our companys computer systems networks and software applications. The ideal candidate will have a strong...

We are seeking a highly skilled and experienced System Administrator to join our team. As a System Administrator you will be responsible for the overall maintenance and management of our companys computer systems networks and software applications. You will work closely with our IT team to ensure th...

System AdministratorFederal Prison Industries (UNICOR) Information Technology Services ContractAbout the ProjectFederal Prison Industries (UNICOR) provides employment and training opportunities toincarceratedindividuals through manufacturing services and technology programs that support federal age...

System AdministratorFederal Prison Industries (UNICOR) Information Technology Services ContractAbout the ProjectFederal Prison Industries (UNICOR) provides employment and training opportunities toincarceratedindividuals through manufacturing services and technology programs that support federal age...

U.S. - CGI Federal roles - Keeping Americans safeBy playing this video you consent to Google/YouTube processing your data and using cookies Learn more.Position Description:The Senior System Administrator is responsible for administering maintaining and securing enterprise systems to ensure stable r...

Job Title: System AdministratorJob Code: 39399Job Location: Colorado Springs COJob Schedule: Standard 9/80 (Every other Friday Off)Job Description:We are seeking a skilled and experienced Cyber Infrastrastructure Systems Engineer (CISE) to join our Colorado Springs CO team. This role requires an exp...

Job Title: Senior System AdministratorJob Code: 39393Job Location: Colorado Springs COJob Schedule: Standard 5/8Job Description:We are seeking a skilled and experienced Cyber Infrastrastructure Systems Engineer (CISE) to join our Colorado Springs CO team. The ideal candidate will have system adminis...

Job Description:At Bank of America we are guided by a common purpose to help make financial lives better through the power of every connection. We do this by driving Responsible Growth and delivering for our clients teammates communities and shareholders every day.Being a Great Place to Work and pro...