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Mainframe Computer Jobs in Washington (NOW HIRING)

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 ...

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

$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 ...

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 ...

A.C. Coy

z/OS Mainframe Developer (Remote)

Alexandria, VA · Remote

$52.50 - $67.50/hr

A degree from an accredited College/University in Software Engineering, Computer Science, or ... Experience in mainframe migration projects or modernization initiatives is preferred. * Experience ...

A.C. Coy

z/OS Mainframe Developer (Remote)

Alexandria, VA · On-site +1

$52.50 - $67.50/hr

A degree from an accredited College/University in Software Engineering, Computer Science, or ... Experience in mainframe migration projects or modernization initiatives is preferred. * Experience ...

A.C. Coy

z/OS Mainframe Developer (Remote)

Alexandria, VA · Remote

$52.50 - $67.50/hr

A degree from an accredited College/University in Software Engineering, Computer Science, or ... Experience in mainframe migration projects or modernization initiatives is preferred. * Experience ...

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 ...

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 ...

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Mainframe Computer information

Who still uses mainframe computers?

Mainframe computers are still used by large organizations such as banks, government agencies, and insurance companies for critical applications that require high reliability, security, and processing large volumes of data. Mainframe roles often involve skills in COBOL, JCL, and system administration, with professionals maintaining and optimizing these systems to ensure continuous operation.

What are the key skills and qualifications needed to thrive in the Mainframe Computer position, and why are they important?

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 is a Mainframe Computer job?

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.

Is mainframe a good career option?

Mainframe computing is a stable career choice with high demand for professionals skilled in COBOL, JCL, and mainframe environments. It offers competitive salaries, job security, and opportunities for specialization in legacy systems and enterprise data processing.

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.

What are mainframe jobs called?

Mainframe jobs are typically called mainframe systems analysts, mainframe programmers, or mainframe operators. These roles involve maintaining, developing, and managing large-scale computer systems using tools like COBOL, JCL, and IBM Z hardware. Certifications such as IBM Certified Systems Programmer can enhance job prospects in this field.

What is the average salary for mainframe jobs?

The average salary for mainframe computer professionals typically ranges from $70,000 to $120,000 annually, depending on experience, location, and certifications. Senior roles or those with specialized skills in COBOL, JCL, or mainframe security can earn higher salaries. Factors such as industry demand and company size also influence compensation levels.
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 July 2026, with employment types broken down into 1% As Needed, 81% Full Time, 14% Part Time, and 4% Contract. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution.

Mainframe Computer Operator

Omm IT Solutions

Washington, DC • On-site

Full-time

Re-posted 21 days ago

Job description


Please Note:-
  • 100% onsite
  • Location:-Onsite at US GPO Data Center, Washington, DC
  • Shift-based work:-
  • 1 Shift: 7:00 am to 3:30 pm
  • 2 Shift: 3:00 pm to11:30 pm

Description
Seeking diligent and detail-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 scheduling, and assisting Production Control staff to ensure timely and accurate completion of daily workloads.
Key Responsibilities
  • Operateand monitor high-speed laser and impact printers as well asbursters in a mainframe data center.
  • Performjob submission, scheduling, and tracking using JCL within TSO.
  • Loadand unload paper, toner, and developer; ensure proper supply management.
  • Remove,organize, and distribute print jobs to customers promptly.
  • Maintaina clean, safe, and organized printer area by disposing of empty boxes,toner containers, and loose paper.
  • Notifybaling room staff when recycle bins are full.
  • SupportProduction Control staff with routine operational tasks and shiftcoordination.
  • Adhereto all operational procedures under the supervision of the ProductionControl Lead and Data Center Manager.
  • Provideshift leadership while performing the same operational duties.

Requirements
Required Skills & Qualifications
  • 2-4 years in data center or mainframe operations, or strong relevant IT operations background.
  • TechnicalSkills:
    • Hands-onexperience with TSO/JCL job scheduling and monitoring.
    • Familiaritywith mainframe console operations.
    • Abilityto operate and maintain high-speed laser/impact printers and bursters.

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