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Computer Operator Mainframe Jobs (NOW HIRING)

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 ...

Mainframe Developer

Jersey City, NJ · On-site

$50 - $55/hr

Bachelor's degree in Computer Science / IT or related field. Benefits Our Benefits Include ... operating across North America and Asia. As a nationally and locally certified Minority Business ...

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

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 ...

Unisys Mainframe Developer

Dallas, TX

$48.50 - $62.25/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

Mainframe Engineer - IBM

Jacksonville, FL · On-site

$45.25 - $58.25/hr

Knowledge of AIX operating systems. * Familiarity with LAN/WAN, Firewall, and VPN technologies ... Bachelor's Degree in Computer Science or a related field. Experience * Minimum 8+ years of relevant ...

Unisys Mainframe Developer

Charleston, WV

$45.25 - $58.25/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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Computer Operator Mainframe information

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How much do computer operator mainframe jobs pay per hour?

As of Aug 13, 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 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.

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.

More about Computer Operator Mainframe jobs
What cities are hiring for Computer Operator Mainframe jobs? Cities with the most Computer Operator Mainframe job openings:
What are the most commonly searched types of Computer Operator Mainframe jobs? The most popular types of Computer Operator Mainframe jobs are:
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What job categories do people searching Computer Operator Mainframe jobs look for? The top searched job categories for Computer Operator Mainframe jobs are:
Infographic showing various Computer Operator Mainframe job openings in the United States as of August 2026, with employment types broken down into 1% Internship, 1% As Needed, 80% Full Time, 14% Part Time, 3% Contract, and 1% Nights. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $50,704 per year, or $24.4 per hour.

Mainframe Systems Programmer

Seneca Resources Company, LLC

New York, NY • On-site, Remote

$80/hr

Contractor

Retirement

Re-posted 5 days ago


Job description

Job title: Mainframe Systems Programmer (DB2)
Location: Manhattan, NY (100% Remote)
Type: Remote - Contract
Rate: $80/hour on W2
Must: A minimum of 10 years of experience working with z/OS
Position Description:
We are seeking an experienced Mainframe Systems Programmer (DB2) to support a New York City agency located in Manhattan, NY. The ideal candidate is a hands-on professional with extensive expertise in IBM DB2 and z/OS environments, capable of maintaining high levels of system performance, reliability, and availability.
In this role, you will be responsible for managing and optimizing the DB2 subsystem, providing advanced technical support for installation, upgrades, and performance tuning, and ensuring seamless operation across critical mainframe systems. The successful candidate will bring deep technical knowledge, strong problem-solving skills, and a proactive approach to system administration and optimization.
Key Responsibilities:
  • Support and maintain DB2 subsystems within a z/OS mainframe environment.
  • Perform DB2 software installations, upgrades, and maintenance using SMP/E.
  • Diagnose, troubleshoot, and resolve complex DB2 and related product issues.
  • Tune DB2 for optimal system performance and resource utilization.
  • Provide technical leadership and documentation for DB2 best practices.
  • Administer mainframe components, including JES2, SMP/E, TSO, and Unix System Services.
  • Conduct maintenance on z/OS operating systems, storage systems, and system software products (DB2, CICS, IMS, security management, scheduling tools, etc.).
  • Collaborate with cross-functional technical teams to support production stability and system enhancements.
  • Provide off-hours production support and participate in scheduled weekend implementations.

Required Skills/Education:
  • Bachelor's degree in Computer Science, Information Systems, or a related field (or equivalent experience).
  • Minimum 10 years of experience working in z/OS mainframe environments as a Systems Programmer.
  • Strong expertise in IBM DB2 installation, upgrade, tuning, and maintenance.
  • Proficiency with SMP/E, VTAM, TCP/IP, IOCP/HCD, IDCAMS, IEFBR14, and other IBM utilities.
  • Experience supporting enterprise-wide, large-scale mainframe implementations.
  • Excellent communication, documentation, and interpersonal skills.
  • Ability to work independently and provide high-quality deliverables under tight deadlines.

Preferred Skills:
  • Experience with DB2 database system recovery and performance optimization.
  • Knowledge of CICS, IMS, and AFP printing.
  • Familiarity with OMEGAMON or similar mainframe monitoring tools.
  • Experience with IBM virtual tape systems.
  • Prior involvement in mainframe CPU installations as a systems programmer consultant.

About Seneca Resources
At Seneca Resources, we are more than just a staffing and consulting firm - we are a trusted career partner. With offices nationwide and clients ranging from Fortune 500 companies to public sector agencies, we connect exceptional professionals with roles that drive innovation and impact.
When you join Seneca, you're choosing a company that invests in your growth, celebrates your achievements, and connects you with opportunities that align with your career goals. Our consultants enjoy competitive pay, comprehensive benefits, 401(k) plans, and dedicated recruiter support every step of the way.
Seneca Resources is proud to be an Equal Opportunity Employer, committed to fostering a diverse and inclusive workplace where all qualified individuals are encouraged to apply.