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# Lead Mainframe Computer Operator

- **Company:** Connexus Hub
- **Location:** Washington, DC, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Systems Engineering, Data Centers, Job Control Language (JCL), Job Entry Subsystem 2/3, Laser Printing, Z/OS, Tso/ispf, Printer Maintenance
- **Published:** August 23, 2026
- **Apply:** https://www.dice.com/job-detail/72f086e4-e2ef-4ac3-b08e-271501a698e5

## About the Role

Direct hands-on experience with high-speed laser printers, impact printers and burster equipment.
Working command of TSO/ISPF and JCL for job submission, monitoring, restart and recovery
Experience leading or training junior operators on a shift
Reliable attendance on a fixed shift, including the 3:00 PM - 11:30 PM swing shift
High school diploma or equivalent. Bachelor's degree preferred
Able to lift and move boxes of paper and form stock, and to stand and walk for most of a shift
US work authorization and ability to pass a federal suitability check and badging

Nice to have
Prior work in a federal or government print or publishing operation
z/OS, JES2 or JES3 exposure
Experience with report distribution systems and forms management

## Description

Connexus Hub is building a team to run mainframe data center operations for a federal agency in downtown Washington, DC. This is hands-on production operations work in a high-volume print environment, not a help desk and not a systems engineering role. The Lead runs the shift: same duties as the operators, plus responsibility for how the shift goes.

Shift 1: 7:00 AM - 3:30 PM, Mon-Fri | Shift 2: 3:00 PM - 11:30 PM, Mon-Fri, Operate and maintain high-speed laser printers, impact printers and bursters in a mainframe data center
Set up printers from mainframe console instructions; load paper, toner and developer; swap forms and media
Submit, schedule, monitor and track jobs using JCL within TSO; troubleshoot in TSO/ISPF
Monitor and respond to console and error messages, and restart or recover jobs as needed
Pull, organize and distribute completed print output to end users on schedule
Communicate directly with the operating system and printer maintenance vendors when hardware or system faults occur
Unload paper and form stock, keep the printer area clean and organized, and notify the baling room when recycle bins fill
Support Production Control staff and provide day-to-day leadership, training and coverage decisions on shift


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