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Mainframe Computer Jobs in Washington (NOW HIRING)

GlobalPoint

Mainframe Computer Operator

Annapolis, MD · On-site

Mainframe Computer Operator Client is seeking to hire a contract Mainframe Computer Operator. This position at the Annapolis works during the third shift from the hours of 11:30pm - 8:00am and will ...

Omm IT Solutions

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 ...

Anivas Tech LLC

Mainframe SRE

Upper Marlboro, MD · On-site

$48.50 - $62.50/hr

Bachelor's degree in Computer Science, Information Systems, Engineering, or related field; 5 additional years of relevant experience accepted in lieu of degree * 3+ years of experience in mainframe ...

Pace solutions inc

Mainframe - HOGAN

Washington, DC

$55.50 - $71.25/hr

Mainframe - HOGAN Tech Lead Washington DC Good programming experience in COBOL, JCL, VSAM At least ... Khan Pace Computer Solutions Inc. (An Inc. 500 Company) 10500 Little Patuxent Pkwy, Suite 310 ...

System One

Senior Mainframe Developer (COBOL)

Reston, VA · Remote

$83/hr

Senior Mainframe Developer (COBOL) Location: Primarily Remote Onsite Expectations: Monthly travel ... Bachelor's degree in Computer Science, IT, or related field * OR equivalent experience (additional ...

Pace solutions inc

Mainframe - HOGAN

Washington, DC · On-site

$55.50 - $71.25/hr

Company Description Mainframe - HOGAN Tech Lead Washington DC Good programming experience in COBOL ... Pace Computer Solutions, Inc. is a registered user of E-Verify All your information will be kept ...

MissionStaff

COBOL / Mainframe Developer

Washington, DC · On-site

$55.50 - $71.25/hr

Troubleshoot and resolve production issues across mainframe applications * Participate in Agile ... Bachelor''s degree in Computer Science, IT, or related field (equivalent specialized experience ...

New

AMERICAN SYSTEMS

Mainframe System Programmer

Mclean, VA · On-site +1

$120K - $140K/yr

... mainframe systems. Supports both OS and hardware upgrades, cloud initiatives, disaster recovery ... Prolonged periods of computer desk work. * Dexterity of hands and fingers to operate a computer ...

AMERICAN SYSTEMS

Mainframe System Programmer

Mclean, VA · On-site

$120K - $140K/yr

... mainframe systems. Supports both OS and hardware upgrades, cloud initiatives, disaster recovery ... Prolonged periods of computer desk work. * Dexterity of hands and fingers to operate a computer ...

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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:

Mainframe Computer jobs near you
Infographic showing various Mainframe Computer job openings in Washington as of August 2026, with employment types broken down into 1% As Needed, 80% Full Time, 10% Part Time, 2% Temporary, 6% Contract, and 1% Nights. Highlights an 71% Physical, 2% Hybrid, and 27% Remote job distribution.

Mainframe Computer Operator

GlobalPoint

Annapolis, MD • On-site

Other

Re-posted 24 days ago

Job description

Mainframe Computer Operator

Client is seeking to hire a contract Mainframe Computer Operator. This position at the Annapolis works during the third shift from the hours of 11:30pm - 8:00am and will be trained to use mainframe printing equipment such as Xerox printers, PS600 pressure seal equipment, breakdown and distribute reports and forms, monitor the mainframe operating system, schedule and process production batch work, provide help desk support, perform computer security support services, control physical access to the data center, and provide guard coverage. The contractor will provide on-site coverage with the work schedule being Sunday-Thursday with the hours from 11:30PM to 8:00Am.

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