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Mainframe Computer Jobs in Washington (NOW HIRING)

Mainframe Computer Operator Work Location: Washington, DC Shift Options: Shift 1: 7:00 AM-3:30 PM Shift 2: 3:00 PM-11:30 PM Position Summary: * The Mainframe Computer Operator will provide onsite ...

Mainframe Computer Operator

Washington, DC · On-site

$55.25 - $71/hr

... oriented Mainframe Computer Operators to support high\-volume data center operations. The operators will be responsible for running and monitoring mainframe print operations, supporting job ...

Mainframe Operator

Washington, DC · On-site

$55.50 - $71.50/hr

The computer operator will be responsible for operating high-speed laser printers, impact printers, and bursters within the mainframe data center. Duties include setting up printers based on ...

Mainframe Operator

Washington, DC · On-site

$55.50 - $71.50/hr

Responsibilities The computer operator will be responsible for operating high-speed laser printers, impact printers, and bursters within the mainframe data center. Duties include setting up printers ...

Mainframe Operator

Washington, DC · On-site

$55.50 - $71.25/hr

Responsibilities The computer operator will be responsible for operating high-speed laser printers, impact printers, and bursters within the mainframe data center. Duties include setting up printers ...

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Mainframe Computer information

What is a mainframe computer?

A Mainframe Computer job typically involves working with large-scale, high-performance computing systems used by enterprises for critical applications such as banking, finance, and healthcare. Responsibilities may include system administration, application development, performance monitoring, and troubleshooting. Professionals in this field often work with mainframe operating systems like z/OS and programming languages such as COBOL, JCL, and REXX. This role requires strong analytical skills and knowledge of legacy systems, as mainframes continue to be integral to many industries.

What are the key skills and qualifications needed to thrive in the mainframe computer position?

To thrive as a Mainframe Computer Operator or Specialist, you need a solid understanding of mainframe hardware, operating systems (such as IBM z/OS), and data center best practices, alongside a degree in computer science or related experience. Familiarity with job scheduling tools (like JCL), monitoring utilities, and expertise in mainframe programming languages (such as COBOL) are commonly required, and certifications such as IBM Certified System Programmer are advantageous. Attention to detail, strong troubleshooting abilities, and excellent communication skills are essential for coordinating with IT teams and resolving system issues. These competencies ensure the reliability, security, and efficiency of mission-critical mainframe systems in large organizations.

What are some common challenges faced by mainframe professionals in day-to-day operations?

Mainframe professionals often face challenges such as managing complex batch job schedules, troubleshooting unexpected system outages, and ensuring data security while dealing with legacy applications. The work requires careful monitoring for performance bottlenecks and rapid response to issues, often during off-hours or on-call rotations. Collaboration with programming, network, and system administration teams is frequent, as mainframe environments are integral to business-critical services. Successfully handling these challenges helps maintain uptime and reliability for the organization’s core operations.

Is a mainframe computer a good career option?

A career as a mainframe computer professional involves maintaining and supporting large-scale enterprise systems, which are critical for industries like finance and government. It requires skills in mainframe operating systems, programming languages such as COBOL, and certifications like IBM Certified Systems Expert. The role offers stability and demand due to the continued reliance on mainframes for mission-critical applications.

Is a mainframe computer still in demand?

Mainframe computers remain in demand for large-scale enterprise applications, especially in banking, finance, and government sectors that require high reliability, security, and processing power. Skilled mainframe professionals with knowledge of COBOL, JCL, and mainframe environments are sought after to maintain and upgrade these systems.

What are jobs in mainframe computer?

Jobs in mainframe computers include roles such as mainframe programmers, system analysts, and operators who maintain, develop, and troubleshoot mainframe systems. These positions often require knowledge of languages like COBOL or PL/I, familiarity with mainframe operating systems such as z/OS, and certifications in mainframe technology. Mainframe professionals work in environments that demand high reliability and security, often following shift schedules to ensure continuous system operation.

What are popular job titles related to Mainframe Computer jobs in Washington?

For Mainframe Computer jobs in Washington, the most frequently searched job titles are:

What job categories do people searching Mainframe Computer jobs in Washington look for?

The top searched job categories for Mainframe Computer jobs in Washington are:

Infographic showing various Mainframe Computer job openings in Washington as of September 2026, with employment types broken down into 86% Full Time, and 14% Contract. Highlights an 92% In-person, 2% Hybrid, and 6% Remote job distribution.

Mainframe Computer Operator

Washington, DC • On-site

Contractor

Posted 14 days ago


Job description

Position Title: Mainframe Computer Operator

Work Location: Washington, DC

Shift Options:

Shift 1: 7:00 AM-3:30 PM

Shift 2: 3:00 PM-11:30 PM

Position Summary:

  • The Mainframe Computer Operator will provide onsite operational support for the mainframe data center, supporting high-volume printing, mainframe job processing, report distribution, and Production Control operations.
  • The position requires hands-on experience operating and maintaining high-speed laser printers, impact printers, and burster equipment within a mainframe data center environment.

Key Responsibilities:

  • Operate and monitor high-speed laser printers, impact printers, and bursters within a mainframe data center.
  • Set up printers based on instructions received from mainframe computer consoles.
  • Load and replenish paper, toner, developer, and other required printing media.
  • Remove, organize, and prepare completed print jobs for customer distribution.
  • Process and manage report distribution accurately and efficiently.
  • Unload boxes of paper and forms required for production printing.
  • Maintain a clean, safe, and organized printer operating area.
  • Remove empty printer boxes, toner containers, and loose paper from the work area.
  • Communicate with mainframe operating-system personnel and printer maintenance contractors when system or printer malfunctions occur.
  • Support Production Control personnel with operational activities.
  • Submit, schedule, monitor, and track jobs using JCL within TSO/ISPF.
  • Monitor job execution and assist with troubleshooting operational issues.
  • Track scheduled activities and ensure timely completion of assigned print and processing tasks.
  • Notify the appropriate GPO personnel when recycling/baling bins are full.
  • Maintain accurate handling and tracking of scheduled tasks and completed reports.
  • Perform other operational duties necessary to maintain uninterrupted mainframe printing and processing operations.

Required Experience:

  • In-depth hands-on experience operating and maintaining high-speed laser printers, impact printers, and burster equipment in a mainframe data center environment.
  • Experience supporting mainframe printing and production-processing operations.
  • Working knowledge of TSO/ISPF and JCL for submitting, scheduling, monitoring, and tracking mainframe jobs.
  • Demonstrated ability to troubleshoot or appropriately escalate printer and mainframe operational issues.
  • Ability to accurately process print jobs, reports, and scheduled production activities.
  • Ability to work effectively in an operational data center environment and coordinate with Production Control and maintenance personnel.
  • Important: The solicitation does not specify a particular degree, certification, number of years of experience, citizenship requirement, or security clearance for the operators. The critical stated technical requirement is demonstrated experience with the specified printer equipment in a mainframe data center environment.

Preferred Qualifications:

  • Previous experience supporting government, commercial, or enterprise mainframe data center operations.
  • Experience with high-volume production printing and report distribution.
  • Experience working with IBM mainframe operational environments.
  • Experience with JCL, TSO, and ISPF.
  • Strong troubleshooting, communication, and operational documentation skills.
  • Ability to work independently while following established production procedures.

Physical/Operational Requirements:

  • The position involves hands-on operation of production printing equipment, replenishment of paper and consumables, handling boxes of paper/forms, and maintaining the printer operating area.
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