Mainframe System Administrator Jobs in Denver, CO

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...

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...

POSITION DESCRIPTION Position Title: System Administrator IIIReports To: Director Technology ServicesDirect Reports: NoFunctional Unit: ITFLSA Status: ExemptPosition Type: Full-TimeLocation: Denver CO (Hybrid) The Company Onward Energy is an independent power platform that owns and operates over 7...

Here at Leidos were not looking for perfectly polished resumes or perfect fits. Were looking for people who break limits ask hard questions and dont wait to be told whats next. At Leidos were not following the roadmap were redrawing it.Leidos Digital Modernization is seeking a talented System Admin...

Mainframe System AdministratorImportant InformationLocation: SingaporeResponsibilitiesMainframe zOS system programmer / administrator forMainframe CICS and MQMainframe zSeries hardwareMainframe zOS operating systemMainframe IBM and 3rd Party Vendor System SoftwareMainframe storage area networkMainfr...

Summary Position SummaryThe System Administrator provides technical and administrative support for all components of server and operating systems environments and their associated hardware and software. Assists customers and IS teams in testing analysis and problem solving system functions and appl...

Summary Position SummaryThe System Administrator provides technical and administrative support for all components of server and operating systems environments and their associated hardware and software. Assists customers and IS teams in testing analysis and problem solving system functions and appl...