Mainframe System Administrator Jobs in USA

If you have what it takes to become part of the Vistra family and would like to start a promising career with a global leader take a look at the exciting employment opportunities that are currently available and apply online.Job SummaryResponsible for the daily operation maintenance and support of V...

Job ID: 5508Date Posted: December 9 2025The Space Dynamics Laboratory (SDL) is seeking an experienced Azure System Administrator to implement secure and maintain our cloud and hybrid infrastructure. This is an on-site non-remote position in our North Logan UT location.Key Responsibilities:Works with...

Must-Have Qualifications 3 years of experience in Data Center Raised Floor or Critical Facility environments 3 years of hands-on work in a data center or equivalent IT infrastructure environment 3 years of experience using Microsoft Office Suite Strong background in: System Administration...

POSITION: IT SYSTEM ADMINISTRATOR LOCATION: Tampa FL onsite 3 days a week (Tue-Thurs) DURATION: 6 Month C2H INTERVIEW TYPE: Video Responsibilities Install configure and maintain operating systems and application software. Maintain and optimize network infrastructure server hardware virtualizati...

Role Name -EXPERIENCERANGEINREQUIREDSKILLSROLEDESCRIPTION - Administer and configure Jira Cloud (Software and Service Management) and Confluence Cloud environments for multiple lines of business. Partner with Product Owners Scrum Masters Release Train Engineers and Software Engineers to implement Ji...

About Us:Gen3 Technology Consulting isan SBA-certified Woman-Owned Small Business (WOSB) providinga diverse set of technology services and solutions to federal and commercial clients. Founded in 2017 Gen3 leverages over 25 years of information technology management and leadership experience to help...

Build the Tech Backbone of Americas Fastest-Growing Divorce Law FirmDo you love fast growth tight systems and solving problems before anyone notices themAre you the person people call when they want something fixed right the first timeCan you support a team spread across multiple offices AND remote...

DescriptionSUMMARYServe as the DOE Hanford Procedures Program and System Administrator overseeing the administration and performance of the DOE procedures system and related processes.ESSENTIAL DUTIES & RESPONSIBILITIESPerform system administrationlevel actions within the software including managing...

cFocus Software seeks a System Administrator to join our program supporting the Department of Defense (DoD). This position is remote. This position requires the ability to obtain a TS/SCI clearance.Qualifications: Minimum 5 years experience managing Windows and Active Directory environments encompas...

Date Posted:Country:United States of AmericaLocation:VA301: 2 Relay Road Chesapeake 2 Relay Road Bldg 344 Chesapeake VA 23322 USAPosition Role Type:OnsiteU.S. Citizen U.S. Person or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior t...

Position Overview:We are seeking a motivated Junior Linux System Administrator to support the deployment maintenance and monitoring of our Linux-based systems and infrastructure. The ideal candidate has at least one year of overall IT experience a strong interest in Linux administration and a desire...

The work we do has an impact on millions of lives and you can be a part of it.Wehelp protect our customers against lifes ofwhere you work within thecompany youll behelping provide protection and peace of mind when our customers need it most. Protective Life is looking for a Software Engineer for th...

OverviewUnder the direction of the Director of Information Technology this position will oversee a team of front-line IT Support Technicians responsible for providing a wide array of technology services to students faculty and staff across academic administrative and executive divisions ; The Lead I...

The work we do has an impact on millions of lives and you can be a part of it.Wehelp protect our customers against lifes ofwhere you work within thecompany youll behelping provide protection and peace of mind when our customers need it most. Protective Life is looking for a Software Engineer for th...

The Corporate Controller will lead and direct all corporate accounting functions which include general accounting financial reporting GAAP guidance establishment and maintenance of accounting and company-wide financial policies and management of external auditor relationships. This individual will l...

We are seeking multiple Systems Administrators to submit as key personnel on an upcoming opportunity to support SCSTC- Surface Combat Systems Training Command in Dahlgren Virginia. The Systems Administratorswill perform system and network administration for SCSTC-controlled systems and LANs includin...

Duties And ResponsibilitiesSystem Administration & Development Design administer deploy and support infrastructure middle ware and software to support Montana State Universitys research cyberinfrastructure. Design and prototype new systems and write technical proposals/reports for possible implement...

Date Posted:Country:United States of AmericaLocation:CA222: 2006 E El Segundo Blvd BldgE04 2006 East El Segundo Boulevard Building E04 El Segundo CA 90245 USAPosition Role Type:OnsiteU.S. Citizen U.S. Person or Immigration Status Requirements: Active and transferable U.S. government issued security...

AAA is hiring for a Car Care System Administrator to join the team here at either our Wilmington DE Lexington KY Cincinnati OH or Worthington OH locations.This position is hybrid and will require you to work 3 days on site Tuesday Wednesday and Thursday.The Car Care System Administrator responsible...

VIKTech is seeking a fully cleared SA based out of Annapolis Junction must be based in Maryland or willing to commute or relocate. Applications from candidates outside the area will not be considered.Active TS/SCI FSrequired for all levels.Candidates must hold an active TS/SCI FS. Applications from...