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Mainframe System Support Jobs (NOW HIRING)

Lorven Technologies

Mainframe IMS and CICS

Wilmington, DE · On-site

$47.50 - $61.25/hr

Wilmington DE (5 Days Onsite) Contract/Fulltime Required Skills: ( Should be flexible for on call support) • Programming Languages: Strong proficiency in COBOL • Mainframe Operating Systems: In ...

Conexess Group

Mainframe CICS Engineer - 100% Remote

$50.25 - $64.50/hr

Conexess Group is seeking a detail-oriented CICS Mainframe Engineer to oversee the installation, maintenance, and support of IBM mainframe systems. This role focuses on ensuring efficient operation ...

SolGenie

Senior Mainframe Analyst / Developer

Mainframe / Legacy Systems Modernization * 10+ years of Mainframe experience with strong hands-on ... Preferred: 3+ years of BAL I/O refactoring experience, including supporting sequential files while ...

Long Finch Technologies

Mainframe IMS DB Developer

Highland, OH · On-site

$45.50 - $58.50/hr

Mainframe Operating Systems: In-depth knowledge of z/OS * Database Technologies: Expertise in IMS ... Support and troubleshoot legacy systems, performing debugging and issue resolution. * Work with DB2 ...

Long Finch Technologies

Mainframe IMS DB Developer

Cuba, OH · On-site

$44 - $56.50/hr

Mainframe Operating Systems: In-depth knowledge of z/OS * Database Technologies: Expertise in IMS ... Support and troubleshoot legacy systems, performing debugging and issue resolution. * Work with DB2 ...

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Mainframe System Support information

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How much do mainframe system support jobs pay per hour?

As of Sep 11, 2026, the average hourly pay for mainframe system support 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.

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For Mainframe System Support jobs, the most frequently searched job titles are:

Mainframe z/OS Systems Programmer TECHM-JOB-25350

Johnston, RI • On-site

Keylent Inc
Internet and IT • 11 - 50 employees
Learn more about Keylent Incexternal

$55.25 - $70.50/hr

Full-time

Re-posted 4 days ago

Job description

Job Summary:
Keylent Inc is seeking a Mainframe z/OS Systems Programmer to manage and maintain mainframe operating systems. The role involves installing and configuring systems, collaborating with IT teams for upgrades, and ensuring high performance and security of the mainframe environment.
Responsibilities:
• Install, configure, and maintain mainframe operating systems, such as z/OS, z/VM, or z/VSE, ensuring optimal performance and reliability.
• Collaborate with other IT teams to develop and implement mainframe system upgrades, patches, and fixes, adhering to change management processes and minimizing service disruptions.
• Monitor system performance and capacity, proactively identifying and resolving issues to maintain high availability and efficient resource utilization.
• Perform system tuning and optimization activities to enhance the performance and efficiency of mainframe systems.
• Implement and maintain mainframe security measures, including user access controls, authentication, and encryption, to protect sensitive data.
• Diagnose and troubleshoot system problems, coordinating with hardware and software vendors, as necessary, to resolve complex technical issues.
• Develop and maintain system documentation, including standard operating procedures, configuration guidelines, and disaster recovery plans.
• Collaborate with application development teams to provide technical guidance and support for mainframe-related projects and initiatives.
• Stay current with emerging technologies and industry trends related to mainframe systems, and evaluate their potential impact on the organization's infrastructure.
• Participate in on-call rotation and provide off-hours support for critical system issues and emergencies.
Qualifications:
Required:
• Bachelor's degree in computer science, information technology, or a related field. Relevant certifications and equivalent work experience will also be considered.
• Proven experience as a mainframe systems programmer, with in-depth knowledge of mainframe operating systems, such as z/OS, z/VM, or z/VSE.
• Strong understanding of mainframe hardware, system components, and subsystems.
• Proficiency in programming languages used in mainframe environments, such as COBOL, PL/I, Assembler, or REXX.
• Solid understanding of mainframe networking protocols and technologies.
• Familiarity with mainframe storage systems, such as DFSMS, DFSMShsm, or DFSMSdss.
• Experience with mainframe security tools and practices, including RACF, ACF2, or Top Secret.
• Excellent problem-solving and analytical skills, with the ability to diagnose and resolve complex technical issues.
• Strong communication and collaboration skills, with the ability to work effectively in a team environment.
• Ability to prioritize and manage multiple tasks in a fast-paced environment.
• Willingness to learn and adapt to new technologies and industry trends.
Preferred:
• Master's degree in computer science, information technology, or a related field.
• Mainframe-related certifications, such as IBM Certified System Programmer or IBM Certified Advanced Technical Expert.
• Experience with mainframe virtualization technologies, such as z/VM or z/VM Hypervisor.
• Knowledge of mainframe database systems, such as DB2 or IMS.
• Familiarity with mainframe performance monitoring and management tools, such as IBM OMEGAMON.
Company:
Keylent provides Software Development Services in the Cloud, Analytics and Digital Transformation space. Founded in 2010, the company is headquartered in Wilmington, USA, with a team of 201-500 employees. The company is currently Growth Stage.
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About Keylent

Sourced by ZipRecruiter

Keylent Inc, based in Wilmington, DE, US, operates in the dynamic IT services and solutions industry. Their official platform, keylent.com, further details their robust suite of services which primarily comprise software consulting, quality assurance, project management, and business intelligence. Keylent Inc has been an integral part of the industry since its inception, serving diverse clients with their specialized, innovative IT solutions. This customer-centric firm is founded on the core values of reliability, integrity, and zealous innovation. Their mission is to empower businesses in navigating the complex technological landscape with ease, efficiency, and confidence. Notably, Keylent Inc has been recognized for its commitment to exceptional service delivery and the profound impact of its solutions in facilitating business growth.

Industry

Internet and it

Company size

11 - 50 Employees

Headquarters location

Wilmington, DE, US

Year founded

2010

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