Mainframe System Administrator Jobs in USA

System Administrator Linux/MongoDB/AWS - 10 yrs of Experience - TS/SCI w/Poly RequiredProvides 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 syste...

About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco our investors include Benchmark General Catalyst Peter Thiel Adam DAngelo Larry Summers and Jack Dorsey. Position: Education Technology Expert Type: Contract Compensation:...

Job DescriptionWho we are:For 35 years Stefanini has been helping midsize large and global enterprises increase the efficiency of their IT operations while also helping them leverage information technology to empower their businesses. Our offers include efficient cost-reducing and effective services...

Job Summary:DT Pro is seeking a Junior System Administrator to support our NSWC team in Corona CA! You will be responsible for providing technical support and assistance to our employees and clients ensuring the smooth operation of computer systems networks and software. The ideal candidate will hav...

Date Posted:Country:United States of AmericaLocation:US-AZ-TUCSON-S Rita Rd BLDG 9030Position Role Type:OnsiteU.S. Citizen U.S. Person or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required...

About the roleForterra isseekinga highly skilledLinux System Administrator with a strong focus on Ansible Automation and Pythonto join our dynamic team. This role involves designing implementing and managing automation solutions using Ansible developing automation scripts in PythonmaintainingLinux s...

This role is in support of a high viability mission environment. Hours are M-F 8am-5pm (flexible). Candidates must be available for after hours and call in and/or available to support 24/7 if needed.RequirementsTS/SCI FSP ClearanceCurrently holds or recently held SYS3 PRIVAC levelSecurity Certificat...

For more details please connect with Prafull Tamrakar at or call at . Direct End Client: Virginia Office of the Attorney General Job Title: System Administrator 3 Duration: 06/01/2026 12/04/2026 Location: Richmond VA 23219 (On site) Hours Per Week: 40 Hours Interview Type: In Person Only Cei...

Job Title: System Administrator 3 Location: 202 North 9th Street Richmond VA 23219 Duration: 06/01/2026 & End Date: 12/04/2026 Job Description: Position Overview The Virginia Office of the Attorney General (OAG) seeks 2 Systems Administrators to support a secure stable and high-performing hybri...

Position OverviewThe Virginia Office of the Attorney General (OAG) seeks 2 Systems Administrators to support a secure stable and high-performing hybrid IT environment. This role administers servers identity systems and enterprise services across on-premises and cloud platforms.The Systems Administra...

As a System Administrator you will be responsible for the maintenance configuration and reliable operation of computer systems servers and network infrastructure. You will work closely with our IT team to ensure the smooth operation of our technology systems and provide technical support to our staf...

As a System Administrator you will be responsible for managing and maintaining our companys computer systems and networks. You will work closely with our IT team to ensure the smooth operation of all technology systems and provide technical support to our staff. Key Responsibilities: - Install confi...

DescriptionRK Company OverviewAs a second-generation family-owned enterprise RK Industries LLC (RK) offers a diverse range of construction manufacturing advanced fabrication and building services. Led by Rick and Jon Kinning RK represents seven distinct lines of business that work together to provid...

Date Posted:Country:United States of AmericaLocation:US-AZ-TUCSON-M05 1151 E Hermans Rd BLDG M05 (External Site)Position Role Type:OnsiteU.S. Citizen U.S. Person or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date....

We are seeking an adaptable System Administrator to manage vulnerability mitigation and software deployment in a large complex global environment. Key Technical Skills (Required) Windows Administration & GPO: Strong experience managing Windows environments and Group Policy Objects. Tanium: H...

Role: System Administrator 3 Client: State of VA Location: 202 North 9th Street Richmond VA 23219 (Onsite) Duration: Start Date: 06/01/2026 & End Date: 12/04/2026 Visa: USC & GC (Locals) Rate: $25-30/hr. ON W2 OR $34/hr. on C2C Interview Mode: In-person interviews only Position Overview The Virgin...

Required Skills - VMware UCS/Cisco/HPE Verge I/ORequired Skills : Basic Qualification : Additional Skills : Background Check : No Drug Screen : No

Required Skills -Citrix Virtual app & Desktop Cloud ( CVAD )NetScaler (Compliance Load balancing Gateway setup SSL/VPN Certificate)Citrix AdminCitrix Storefront & Cloud connector Cert troubleshootingTanium / Patching expertise ( Vulnerability remediation / fix VDA upgrade Software packages)Required...

Required Skills - VMware UCS/Cisco/HPE Verge I/ORequired Skills : Basic Qualification : Additional Skills : Background Check : No Drug Screen : No

Required Skills -Citrix Virtual app & Desktop Cloud ( CVAD )NetScaler (Compliance Load balancing Gateway setup SSL/VPN Certificate)Citrix AdminCitrix Storefront & Cloud connector Cert troubleshootingTanium / Patching expertise ( Vulnerability remediation / fix VDA upgrade Software packages)Required...