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Mainframe Administration Jobs in Indiana (NOW HIRING)

ArcBest

Regional Administrative Specialist I

Dyer, IN

$46K - $62K/yr

Conduct new employee Onboarding and orientation which includes scheduling and administration of ... Proficient in various mainframe systems and computer software, including Microsoft Office Suite ...

A.C. Coy

Cobol/IDMS Developer (Remote)

Indianapolis, IN · Remote

$48 - $65/hr

... mainframe experience using COBOL, JCL, TSO, ISPF, Endevor, and REXX. * Expertise working with the ... CA IDMS security administration * Must have active CompTIA Security+ certification. * Ability of ...

A.C. Coy

Cobol/IDMS Developer (Remote)

Indianapolis, IN · Remote

$48 - $65/hr

... mainframe experience using COBOL, JCL, TSO, ISPF, Endevor, and REXX. * Expertise working with the ... CA IDMS security administration * Must have active CompTIA Security+ certification. * Ability of ...

A.C. Coy

Cobol/IDMS Developer (Remote)

Indianapolis, IN · On-site +1

$48 - $65/hr

... mainframe experience using COBOL, JCL, TSO, ISPF, Endevor, and REXX. * Expertise working with the ... CA IDMS security administration * Must have active CompTIA Security+ certification. * Ability of ...

Hendrickson USA, LLC

Plant Accountant

Lebanon, IN · On-site

$64K - $80K/yr

CMA/CPA certificate a plus * MBA Degree a plus Minimum Qualifications * Manufacturing cost ... Solid PC and mainframe software skills (MS Office, MRP, Ledger, Query) required * QAD experience a ...

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Mainframe Administration information

How much do mainframe system administrators make?

Mainframe system administrators typically earn between $70,000 and $120,000 annually, depending on experience, certifications, and location. Senior roles or those with specialized skills in tools like z/OS or COBOL can earn higher salaries, often exceeding $130,000.

Is mainframe still in demand?

Mainframe administration remains in demand in industries such as banking, finance, and government, where large-scale transaction processing and data security are critical. Skilled professionals with knowledge of z/OS, COBOL, and mainframe tools are sought after to maintain legacy systems and ensure operational continuity.

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

To thrive as a Mainframe Administrator, you need a solid understanding of mainframe operating systems (such as z/OS), system configuration, and troubleshooting, typically supported by a degree in computer science or related IT experience. Familiarity with tools like IBM System Automation, JCL, RACF, and monitoring solutions, as well as certifications such as IBM Certified System Administrator, is highly valued. Strong analytical thinking, attention to detail, and effective communication skills help administrators efficiently resolve issues and collaborate with IT teams. These skills and qualifications are essential to ensure the reliability, security, and optimal performance of critical enterprise computing environments.

What are some common challenges faced by Mainframe Administrators and how can they be addressed?

Mainframe Administrators often encounter challenges such as managing legacy systems, ensuring system uptime, and balancing security with accessibility. Keeping up with evolving technologies and integrating mainframes with modern applications can require continuous learning and adaptation. Effective communication with development and operations teams is vital to ensure seamless updates and minimize downtime. Proactively monitoring system performance and applying best practices for disaster recovery can also help mitigate risks and maintain reliability.

What is the difference between Mainframe Administration vs Mainframe Support?

AspectMainframe AdministrationMainframe Support
CertificationsIBM Certified System Administrator, z/OS certificationsSimilar certifications, often including z/OS support certifications
Work EnvironmentData centers, enterprise IT departments managing mainframe systemsHelp desks, support teams assisting users and troubleshooting issues
ResponsibilitiesSystem setup, configuration, maintenance, performance tuningIssue resolution, user support, incident management
Industry UsageFinancial institutions, government agencies, large corporationsSame industries, focusing on user support and problem resolution

Mainframe Administration involves managing and maintaining mainframe systems, ensuring optimal performance and security. Mainframe Support focuses on assisting users, troubleshooting issues, and resolving incidents. Both roles require similar certifications and are vital in industries relying on mainframe technology, but they differ in daily responsibilities and focus areas.

Is sysadmin entry level?

Mainframe administration roles are typically not entry-level positions and usually require several years of experience with mainframe systems, such as z/OS, and knowledge of tools like JCL and TSO. Entry-level positions in IT may involve supporting roles or junior positions, but mainframe sysadmin roles generally demand advanced skills and certifications.

What is Mainframe Administration?

Mainframe Administration involves managing and maintaining mainframe computer systems, which are powerful servers used by large organizations for critical applications and bulk data processing. Mainframe Administrators are responsible for installing, configuring, monitoring, and securing mainframe hardware and software. They ensure system performance, troubleshoot technical issues, handle backup and recovery, and apply updates or patches to keep systems running smoothly and securely. This role often requires strong technical skills, attention to detail, and the ability to work with legacy systems.

What does a mainframe administrator do?

A mainframe administrator manages and maintains large-scale computer systems known as mainframes, ensuring their security, performance, and availability. They configure hardware and software, monitor system operations, troubleshoot issues, and implement updates, often using tools like z/OS and requiring knowledge of system security and backup procedures.
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What cities in Indiana are hiring for Mainframe Administration jobs? Cities in Indiana with the most Mainframe Administration job openings:
Mainframe Administration jobs near you
Infographic showing various Mainframe Administration job openings in Indiana as of June 2026, with employment types broken down into 94% Full Time, 3% Part Time, and 3% Contract. Highlights an 81% Physical, 9% Hybrid, and 10% Remote job distribution.
Mainframe Support Operator / Administrator (Remote)

Mainframe Support Operator / Administrator (Remote)

A.C. Coy

Indianapolis, IN • On-site, Remote

Other

Posted yesterday

Job description

Overview
  • Tier One Technologies is seeking a Mainframe Support Operator/Administrator to work with our US Government client.
  • This will be a 100% remote Contract-to-Hire position.
  • Must be a US Citizen.
  • SELECTED CANDIDATES WITHOUT REQUIRED CLEARANCE WILL BE SUBJECT TO A FEDERAL GOVERNMENT BACKGROUND INVESTIGATION TO RECEIVE IT.

Responsibilities
  • Responsible for supporting a large mainframe payroll application.
  • Operate, monitor, and assist in the maintenance and integrity of the mainframe, peripherals, servers, and network.
  • Participate in Disaster Recovery and provided first level help desk support.
  • Able to adapt to various operational duties in customized data centers.
  • Maintain smooth operation of multi-user computer systems, including coordination with network engineers.
  • Perform systems security administration functions.
  • Other duties may include maintaining system documentation, system performance, and installing system wide software.
  • Develop and monitor policies and standards for allocation related to the use of computing resources.
  • Interact with users.

Qualifications
  • Prior relevant experience in the IBM mainframe environment.
  • Excellent troubleshooting and communication skills.
  • Must be a US Citizen (no dual citizenship).
  • Ability to obtain DoD Public Trust clearance.
  • Must not have traveled outside the US for a combined total of 6 months or more in the last 5 years.
  • Must have resided in the US for the last 5 years.
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About A.C. Coy Company- Staffing & Consulting Services

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Since 1986, our mission is to be the “Always on Target” staffing and consulting provider by helping people and companies achieve their hiring goals. The team is dedicated to achieving these goals by attracting and retaining top talent that meets our clients’ culture and environment. We are fully engaged with our people and companies through ongoing communication to ensure expectations are met.

Industry

Recruiting and staffing services

Company size

51 - 200 Employees

Headquarters location

Canonsburg, PA, US

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