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Mainframe Systems Jobs (NOW HIRING)

InstantServe LLC

Mainframe Systems Programmer

Hartford, CT · On-site

$55.50 - $70.50/hr

Mainframe Systems Programmer - Hybrid (Connecticut) Location: Hybrid - Connecticut (Local Candidates Only) Duration: Long-Term Contract Job Overview The Connecticut Department of Social Services (DSS ...

Robert Half

Mainframe Systems SME

Burbank, CA · On-site

$55 - $57/hr

This role is a Mainframe Systems SME for a long-term, muti-year assignment with our client. Responsibilities: Successful candidate will assume the role of Mainframe Systems SME and assist the Project ...

nLeague

Mainframe Systems Programer

Hartford, CT · On-site

$55.50 - $70.50/hr

Mainframe Mainframe Programmer/ Developer Location: Hybrid- 55 Farmington Avenue Hartford ... Participate in migration testing, system integration testing, user acceptance testing, and ...

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How much do mainframe systems jobs pay per hour?

As of Jul 10, 2026, the average hourly pay for mainframe systems in the United States is $58.18, according to ZipRecruiter salary data. Most workers in this role earn between $52.88 and $67.31 per hour, depending on experience, location, and employer.

What are Mainframe Systems?

Mainframe systems are powerful computers used primarily by large organizations for critical applications, bulk data processing, and large-scale transaction processing. They are known for their reliability, security, and ability to handle massive volumes of data and users simultaneously. Mainframes support essential functions in industries like banking, healthcare, government, and insurance, where uptime and data integrity are crucial. Unlike typical servers, mainframes are designed to operate nonstop and process thousands of transactions per second.

What are the key skills and qualifications needed to thrive as a Mainframe Systems Engineer, and why are they important?

To thrive as a Mainframe Systems Engineer, you need strong knowledge of mainframe architectures, proficiency in operating systems like z/OS, and experience with programming languages such as COBOL or Assembler, usually supported by a degree in computer science or a related field. Familiarity with tools like IBM ISPF, JCL, RACF, and monitoring systems, as well as relevant certifications (e.g., IBM Certified System Programmer), is highly valued. Analytical thinking, problem-solving, and effective communication are crucial soft skills for diagnosing issues and collaborating with cross-functional IT teams. These abilities ensure the reliability, security, and efficiency of mission-critical enterprise systems that depend on mainframe technology.

What is the difference between Mainframe Systems vs Mainframe Application Developers?

AspectMainframe SystemsMainframe Application Developers
Primary RoleManage and maintain mainframe hardware and system softwareDesign, develop, and modify applications running on mainframe platforms
Required SkillsMainframe OS, hardware, system administrationProgramming languages like COBOL, JCL, DB2, and application development
Work EnvironmentData centers, system operation centersDevelopment teams, project-based settings
CertificationsIBM Certified System Administrator, Mainframe certificationsProgramming certifications, COBOL certifications

While Mainframe Systems professionals focus on maintaining and managing mainframe hardware and operating systems, Mainframe Application Developers create and modify applications that run on these systems. Both roles require knowledge of mainframe environments, but their responsibilities differ significantly, with one centered on system management and the other on application development.

What are some common challenges faced by professionals working in Mainframe Systems, and how can they be addressed?

Mainframe Systems professionals often encounter challenges such as managing legacy code, ensuring system reliability, and integrating mainframes with modern technologies. Staying updated with new tools and methodologies, such as automation and DevOps practices, can help address these issues. Additionally, strong collaboration with application developers and network teams is essential to maintain system performance and security. Regular training and knowledge sharing within the team also play a crucial role in overcoming these challenges.
More about Mainframe Systems jobs
What states have the most Mainframe Systems jobs? States with the most job openings for Mainframe Systems jobs include:
What job categories do people searching Mainframe Systems jobs look for? The top searched job categories for Mainframe Systems jobs are:
Mainframe Systems jobs near you
Mainframe Systems Engineer

Mainframe Systems Engineer

Cardinal Integrated Technologies Inc

Poughkeepsie, NY • On-site

$54.25 - $69.25/hr

Other

Posted 10 days ago

Job description

Job Title: Mainframe Systems Engineer (z/OS)

Contract Duration: 6-12+ Months (extendable)

Location: Poughkeepsie, NY(Hybrid/Onsite)

Tax Term W2

Job Summary

We are seeking an experienced Mainframe Systems Engineer with strong expertise in Adabas/Natural (AG) and core z/OS systems engineer for a long-term contract opportunity. The ideal candidate will have hands-on experience in z/OS environment management, including installations, upgrades, security, storage, networking, and hardware configuration tools. This role involves supporting and enhancing critical mainframe infrastructure in a complex enterprise environment.

Key Responsibilities

  • z/OS systems engineering/administration installs, upgrades, and maintenance.
  • Install, upgrade, and support Adabas/Natural (AG) environment.
  • Administer RACF (Resource Access Control Facility) security.
  • Manage Storage, TCP/IP, HCD/IODF, and other OEM tools.
  • Perform performance tuning, troubleshooting, and problem resolution.
  • Provide support for critical mainframe infrastructure.

Required Skills

  • Experience in Adabas/Natural (AG).
  • Core z/OS Systems Programming (installs & upgrades).
  • RACF (Resource Access Control Facility) administration.
  • Experience with Storage Management, TCP/IP on z/OS, and HCD/IODF.
  • Knowledge of mainframe utilities, JCL, and OEM tools.

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Best Regards:
Asif Khan |Recruitment Manager | Cardinal Integrated Technologies

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