Mainframe System Administrator Jobs in USA

WHAT IS AISAnduril Intelligence Systems (AIS) is focused on positioning Anduril as a lead provider of specialized engineering and products for Intelligence Community (IC) customers. We work within the IC to understand their requirements shape their concepts of operation and deliver exquisite capabil...

Date Posted: Country:United States of AmericaLocation:US-MA-TEWKSBURY-TB3 50 Apple Hill Dr CONCORD BLDG Tewksbury Tb3 300 ConcordPosition Role Type:OnsiteU.S. Citizen U.S. Person or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is requi...

This Department of War enterprise data and analytics program delivers mission-critical capabilities that enable leaders across the Department to make faster better-informed decisions using trusted data at scale. Leidos Digital Modernization sector is seeking an experiencedSenior System Administrator...

Position Type:- Administration/Systems AdministratorDate Posted:6/5/2026Location:Kennedy Catholic BurienSYSTEMS ADMINISTRATORTECHNOLOGY DEPARTMENT FULL-TIMEABOUT KENNEDY CATHOLICKennedy Catholic High School is a private Catholic high school located in Burien Washington.It is the mission of Kennedy...

Erias Ventures was founded to serve its customers with an entrepreneurial mindset. We valuecreative problem-solvingopen communication andempowering our employeesto make decisions and put forth new ideas.Our staff includes technical experts working across multiple disciplines bringing diverse perspec...

WHO WE AREWere in the business of people helping people and you can help us make an impact on our members lives and in your community. Whether its helping a member make a transaction buy their first home or improve their financial wellness one step at a time you have an impact on their lives just b...

DescriptionIn an environment of continuous quality improvement the Learning Management System Administrator is responsible for daily operation and overseeing education software platforms. Exhibits the MHS Standards of Excellence and exercises strict confidentiality at all times.Job Functions:Deliver...

Location: Must be local to Brentwood TN or Denver COThe Tier 3 Microsoft Entra Administrator is a senior Identity & Access Management (IAM) professional responsible for securing managing and optimizing hybrid identity environments across Active Directory and Microsoft Entra ID. Serving as the highes...

The selected candidate will join an existing team providing Life Cycle Sustainment (LCS) activities for commercial and custom-developed education learning and training applications. The role requires a self-motivated individual that is comfortable working in a team environment. This position will re...

DescriptionPay Grade: KClick HERE for VideoWho we are.We protect lives.The Georgia Department of Public Health is the lead agency entrusted by the people of Georgia to proudly protect lives and promote healthy lifestyles in diverse communities statewide. We are committed to preventing disease injury...

DescriptionConducts end-to-end hardware installation and troubleshooting with limited supervision. Validates cabling and problem solving to establish error free connections with limited guidance. Monitors reviews and analyzes ticket queues addressing common incidents and escalating more complex or u...

We solve difficult business IT and analytic problems by addressing the whole problem not just the symptoms using interdisciplinary approaches that are both practical and innovative. We provide fresh alternatives to ordinary mainstream consulting firms through small highly skilled and hand-picked t...

Date Posted: Country:United States of AmericaLocation:US-MA-TEWKSBURY-TB3 50 Apple Hill Dr CONCORD BLDG Tewksbury Tb3 300 ConcordPosition Role Type:OnsiteU.S. Citizen U.S. Person or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is requi...

Date Posted: Country:United States of AmericaLocation:US-MA-TEWKSBURY-TB3 50 Apple Hill Dr CONCORD BLDG Tewksbury Tb3 300 ConcordPosition Role Type:OnsiteU.S. Citizen U.S. Person or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is requi...

Job Title: Lead System Engineer Location: Preferred Location: McLean VA Start Date: 07/01/2026 End Date: 06/30/2027 Job Summary: - We are seeking an experienced Lead Mainframe System Engineer to support IBM mainframe systems and related software. The role involves ensuring high availability perfor...

Looking for an opportunity to make an impactAt Leidos we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers success. We empower our teams contribute to our communities and operate sustainably. Everything we do is built on a commitme...

Job title: System Administrator Location: Allentown PA Onsite Shift-based work 8:00pm to 6:00am EST Job description: Basic understanding of IT systems including servers networking and workstations. Ability to perform fundamental troubleshooting across hardware and software environments. Fami...

Proficiency with MS Office products general internet usage and PC operation Experience with Windows Server and performing server administration tasks Experience using Remote Desktop Protocol (RDP) Ability to map network drives Experience installing and configuring software Working knowledge of SQL S...

At Accenture Federal Services nothing matters more than helping the US federal government make the nation stronger and safer and life better for 13000 people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense national security pub...

ResponsibilitiesThe KINGROAD Security Team is seeking a mid-level Cloud System Administrator. This role integrates Site Reliability Engineer (SRE) principles with Infrastructure as Code (IaC) to ensure the reliability and security of mission-critical systemsThe candidate should be experienced settin...