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Computer Operator Mainframe Jobs (NOW HIRING)

Anivas Tech LLC

Mainframe SRE

Kettering, MD · On-site

$48.50 - $62.50/hr

Document standard operating procedures, runbooks, and post-incident reviews * Participate in ... Bachelor's degree in Computer Science, Information Systems, Engineering, or related field; 5 ...

IT America Inc

IBM Mainframe Administrator

Dallas, TX · Remote

... operating systems. * Performance Monitoring: Monitor system performance and ensure optimal ... Bachelor's or Master's degree in Computer Science, Information Technology, or a related field. * 5+ ...

campus4tech

COBOL Mainframe Programmer/Developer

Atlanta, GA · On-site

$47 - $60.50/hr

... IBM/DELL mainframe operating systems . This is a consulting position offering a challenging ... Ability to troubleshoot, test, and debug computer software to produce required outcomes. * Strong ...

Triunity Software

Mainframe Developer

Dallas, TX · On-site

$100K - $110K/yr

Proficiency in COBOL, JCL, CICS, and z/OS operating systems * Experience with IBM mainframe tools ... Bachelor's degree in Computer Science, Information Technology, or a related field preferred ...

Ampcus Inc

Cobol / Mainframe Developer

Milwaukee, WI · On-site

$48.25 - $62/hr

Required : • Bachelor's degree in Computer Science, Information Technology or equivalent ... operating systems. • Proficient with Mainframe Development as well as modern Object-Oriented ...

Infojini Inc

Mainframe Developer

Raleigh, NC · On-site

$47.75 - $61.25/hr

... computer * through knowledge of the principles of computer programming, testing, debugging ... COBOL, CICS, DB2, TSO, WEB Service Development, IBM z/OS operating systems, JCL, CA DB2 products ...

JS Consulting

Sr. Mainframe Developer

Woodlawn, MD · On-site

$51 - $65.50/hr

Evaluate the impact of new operating systems, or versions of COBOL and Endevor on programs ... Bachelor's Degree in Computer Science, Mathematics, Engineering or a related field. * Masters or ...

CGI Inc.

Mainframe Monitoring Specialist

Baltimore, MD · On-site

Coordinate with software teams and vendors to resolve application and z/OS operating system issues ... Create and update documentation, including charts, graphs, floor plans, CAD drawings, procedures ...

Forhyre

Unisys Mainframe Developer

Phoenix, AZ

$48.75 - $62.50/hr

In a dynamic, fast paced environment the IBM zTPF operating system is the central hub for all ... Understand business requirements in order to provide the technical design of computer software

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How much do computer operator mainframe jobs pay per hour?

As of Sep 3, 2026, the average hourly pay for computer operator mainframe in the United States is $24.38, according to ZipRecruiter salary data. Most workers in this role earn between $18.99 and $27.40 per hour, depending on experience, location, and employer.

What is a computer operator mainframe?

A Computer Operator Mainframe is responsible for monitoring, managing, and troubleshooting mainframe computer systems. They ensure that batch jobs run correctly, system backups are performed, and any errors or failures are addressed promptly. Operators use specialized software and tools to oversee system performance and maintain uptime. This role often requires working in shifts to provide 24/7 operational support. Strong attention to detail and problem-solving skills are essential in this position.

What does a computer operator mainframe do?

A typical shift for a Computer Operator Mainframe involves monitoring mainframe systems, running scheduled and ad-hoc jobs, and troubleshooting any system alerts or errors that occur during operations. Operators are responsible for ensuring jobs are completed successfully, performing regular system health checks, and escalating issues to system administrators or other technical teams if needed. The work environment is usually structured in shifts to provide 24/7 coverage, with operators collaborating closely with both technical and business teams to ensure critical applications remain available. You can expect a mix of routine monitoring, responding to incidents, and documenting system activity, which makes attention to detail and clear communication especially important for success in this role.

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

To thrive as a Computer Operator Mainframe, you need a solid understanding of mainframe operations, batch processing, job scheduling, and system monitoring, often supported by a degree in computer science or a related field. Familiarity with operating systems like IBM z/OS, tools such as JCL, TSO/ISPF, and knowledge of automation software or mainframe consoles is essential. Strong attention to detail, problem-solving ability, and effective communication skills help operators stand out in this role. These skills ensure smooth system operations, quick resolution of technical issues, and clear collaboration with IT teams, minimizing downtime and maintaining high system reliability.

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Computer Operator Mainframe jobs near you
Infographic showing various Computer Operator Mainframe job openings in the United States as of August 2026, with employment types broken down into 43% Full Time, 2% Temporary, and 55% Contract. Highlights an 85% In-person, 2% Hybrid, and 13% Remote job distribution, with an average salary of $50,704 per year, or $24.4 per hour.

Mainframe SRE

Anivas Tech LLC

Kettering, MD • On-site

$48.50 - $62.50/hr

Full-time

Re-posted 14 days ago

Job description

Description:

Anivas Tech is seeking a Mainframe SRE to support our government agency IT operations. We are looking for a skilled professional with 3+ years of relevant experience who brings strong technical expertise and a commitment to delivering high-quality results in a mission-driven, high-visibility environment.

Requirements:
  •  Operate, monitor, and maintain IBM z/OS mainframe environments supporting mission-critical government applications 
  • Implement Site Reliability Engineering (SRE) principles including SLOs, error budgets, and reliability targets for mainframe systems 
  • Respond to and lead incident resolution efforts for mainframe production issues, coordinating with application and infrastructure teams 
  • Develop and maintain automation scripts and tooling to reduce toil and improve operational efficiency on mainframe platforms 
  • Perform capacity planning, performance tuning, and workload optimization across mainframe subsystems (CICS, IMS, DB2, MQ) 
  • Support change management processes including patching, maintenance windows, and release deployments 
  • Collaborate with DevOps and development teams to extend CI/CD practices into mainframe pipelines 
  • Document standard operating procedures, runbooks, and post-incident reviews 
  • Participate in on-call rotation and ensure adherence to availability SLAs 
  • Identify and drive systemic improvements to reduce recurrence of incidents and enhance mainframe reliability 
  • US citizen with ability to obtain and maintain a Secret clearance 
  • 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 operations, administration, or engineering on IBM z/OS platforms 
  • Proficiency in JCL, REXX, or other mainframe scripting languages 
  • Experience with core mainframe subsystems including CICS, IMS, DB2, VSAM, and/or JES2/JES3 
  • Understanding of SRE practices such as monitoring, alerting, SLO definition, and incident management 
  • Strong analytical and troubleshooting skills in complex production environments 
  • Ability to communicate technical issues clearly to both technical and non-technical stakeholders 
  • Experience in a federal government IT environment 
  • Familiarity with DevOps toolchains and integrating mainframe systems with modern CI/CD pipelines 
  • Experience with IBM OMEGAMON, Broadcom Mainframe Suite, or equivalent monitoring tools 
  • Agile or SAFe delivery methodology experience 
  • IBM Certified Systems Administrator – z/OS or equivalent certification 

"Anivas Tech is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to protected characteristics as defined by law."