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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 ...

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 30, 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
Infographic showing various Mainframe Systems job openings in the United States as of July 2026, with employment types broken down into 100% Contract. Highlights an 67% In-person, and 33% Remote job distribution, with an average salary of $121,006 per year, or $58.2 per hour.

Mainframe Systems Programmer

Crossfire Consulting Corp

Manhattan, NY • On-site

$60.75 - $77.25/hr

Other

Posted 16 days ago

Job description

Mainframe Systems Programmer
Contract Length: 1 year
Location: New York, NY
Work Setup: Remote, Hybrid, or On-site
Our client is seeking an experienced Mainframe Systems Programmer to support, enhance, and modernize mission-critical applications used for field operations, payroll, reporting, crew scheduling, and regulatory compliance. This role combines production support, application development, systems integration, and large-scale data migration.
Mainframe Systems Programmer Responsibilities
  • Maintain and enhance legacy mainframe applications supporting critical management systems.
  • Monitor and troubleshoot batch jobs, interfaces, workflows, and production issues.
  • Develop and support COBOL programs and JCL processes.
  • Load and validate crew schedules while ensuring operational continuity.
  • Manage integrations with Kronos, PeopleSoft, enterprise data lakes, and downstream reporting platforms.
  • Develop operational, business, and regulatory reports.
  • Lead the migration of historical data to a modern replacement platform.
  • Validate migrated data for accuracy, completeness, and operational readiness.
  • Document system processes, integrations, and workflows while providing knowledge transfer.

Mainframe Systems Programmer Required Qualifications
  • 10 years of application development experience, preferably in mainframe or legacy enterprise environments.
  • 6 years of hands-on COBOL and JCL experience.
  • Strong knowledge of batch processing, data interfaces, system integrations, and production support.
  • Proven ability to resolve complex, time-sensitive issues in mission-critical systems.
  • Experience developing operational or regulatory reports.
  • Strong collaboration, documentation, and problem-solving skills.

Mainframe Systems Programmer Preferred Qualifications
  • Experience with large-scale data migration or application modernization.
  • Transportation, logistics, or crew management systems experience.
  • Familiarity with Kronos, PeopleSoft, or similar enterprise platforms.
  • Knowledge of FRA Hours of Service or other regulated reporting requirements.

The Mainframe Systems Programmer will play a key role in maintaining system reliability while supporting a successful transition to a modern technology platform.
We look forward to reviewing your application!
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About Crossfire Consulting

Sourced by ZipRecruiter

Crossfire Consulting is a premier Information Technology (IT) consulting firm based in Yorktown Heights, New York, United States. Founded in 2001, the company's primary services involve providing technology solutions to businesses of all sizes across various industries, aiding them in harnessing the power of IT to achieve their business objectives. Crossfire Consulting specializes in application development, project management, business analysis, quality assurance, and other IT-related services. Their mission is directed towards delivering quality and cost-effective solutions that improve their clients' efficiencies, competitive advantage, and return on investment.

Industry

It services

Company size

51 - 200 Employees

Headquarters location

Yorktown Heights, NY, US

Year founded

2000

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