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Mainframe Administration Jobs in Indiana (NOW HIRING)

Liberty Mutual

Senior Test Engineer

Indianapolis, IN · On-site

... and mainframe-integrated applications. Collaborate with Product Owners, Business Analysts ... Hands-on experience with Personal Insurance policy administration systems such as Liberty/Safeco ...

Liberty Mutual

Senior Test Engineer

Indianapolis, IN · On-site

$106K - $197K/yr

... mainframe-integrated applications. • Collaborate with Product Owners, Business Analysts ... policy administration systems such as Liberty/Safeco Policy System or similar platforms. • ...

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

Financial Analyst

Lebanon, IN · On-site

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 ...

US Lawns

Director of Financial Aid

Indianapolis, IN · On-site

$110 - $160/hr

The Director, Financial Aid is responsible for the administration of over $150 million in federal ... Mainframe are consistent and effective and other corresponding systems stay operationally ...

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Mainframe Administration information

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 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 it hard to become a mainframe administrator?

Becoming a mainframe administrator requires a strong understanding of mainframe systems like IBM z/OS, proficiency in scripting and automation, and often a relevant certification. The role can be technically challenging due to the complexity of mainframe environments, but with proper training and experience, it is achievable for those with a background in IT or computer science.

Is mainframe administration a good career option?

Mainframe administration is a stable and well-paying career that involves managing large-scale computer systems used by many organizations. It requires knowledge of mainframe operating systems like z/OS, skills in system maintenance, and often certifications such as IBM Certified System Administrator. The role offers opportunities for specialization and long-term job security due to the continued reliance on mainframes in industries like finance and government.

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.

What are popular job titles related to Mainframe Administration jobs in Indiana?

For Mainframe Administration jobs in Indiana, the most frequently searched job titles are:

What job categories do people searching Mainframe Administration jobs in Indiana look for?

The top searched job categories for Mainframe Administration jobs in Indiana are:

Mainframe Administration jobs near you
Infographic showing various Mainframe Administration job openings in Indiana as of August 2026, with employment types broken down into 1% As Needed, 84% Full Time, 12% Part Time, and 3% Contract. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution.

Senior Systems Engineer

CyberMedia Technologies

Indianapolis, IN • On-site

$99K - $136K/yr

Full-time

Re-posted yesterday

Job description

We are currently seeking a  Systems Engineer (Senior) to join our team.

Position Summary

The Systems Engineer (Senior) is responsible for performing high-level systems analysis, evaluation, design, integration, documentation, and implementation of highly complex applications and systems. This role requires a thorough understanding of administrative and technical principles to support enterprise-wide system development and engineering initiatives. This position supports the Defense Finance and Accounting Service (DFAS) with their IBM  mainframe-based civilian payroll system.

The Senior Systems Engineer directs and participates in all phases of system development with emphasis on planning, analysis, evaluation, integration, testing, validation, verification, and acceptance activities, including Independent Verification & Validation (IV&V) and Developmental Test & Evaluation (DT&E). The position also involves applying advanced business and technical methodologies to solve complex engineering problems and deliver automated solutions that meet organizational objectives.

Key Responsibilities

  • Perform systems analysis, design, integration, implementation, and maintenance for complex enterprise applications.
  • Lead and participate in all phases of the system development lifecycle (SDLC).
  • Support planning, analysis, evaluation, integration, testing, IV&V, DT&E, and acceptance activities.
  • Analyze complex technical and business requirements and develop automated engineering solutions.
  • Develop and maintain technical documentation, system specifications, reports, charts, and graphs.
  • Prepare and deliver technical presentations, briefings, and status updates to stakeholders and leadership.
  • Ensure quality standards and service delivery requirements are consistently achieved for assigned tasks and projects.
  • Collaborate with cross-functional teams, developers, testers, and business stakeholders to support system modernization and operational objectives.
  • Support configuration management, audit readiness, and compliance activities.
  • Identify system risks, issues, and performance concerns and recommend corrective actions.
  • Analyze and Action Requests and System Change Requests, developing resolution plans and documenting outcomes in configuration management system.
  • Analyze and resolve ABENDs (unplanned program terminations) and escalate as required.
  • Support IBM DB2 and IDMS (v19.0) database administration, including installation, maintenance, and upgrade activities, with development of Plans of Action and Milestones (POAMs).
  • Participate in Continuity of Operations (COOP) planning, testing, and enhancement exercises.
  • Monitor and manage incoming file transfers and interface files.

Required Qualifications

Candidates must possess extensive hands-on experience (3-5 years) with the following:

  • IDMS database
  • COBOL programming
  • JCL
  • Agile Methodology

Preferred Qualifications

Extensive hands-on experience (3-5 years) with the following is preferred:

  • Oracle
  • COGNOS
  • JavaScript
  • Broadcom Endevor
  • Software Testing Strategies
  • Configuration Management Strategies
  • Audit Support and Assurance
  • REXX scripting language
  • MQSeries 6.0
  • z/OS mainframe operating environment; IBM mainframe tools: TSO, ISPF, SDSF, JES
  • ACF2 security management (REL 16.0.05/MVS)
  • Control-M job scheduler; IBM DB2; PL/SQL
  • Assembler programming (IBM mainframe)

Desired Skills

  • Strong analytical, troubleshooting, and problem-solving skills.
  • Experience supporting enterprise-level or government systems environments.
  • Knowledge of systems engineering methodologies and best practices.
  • Excellent written and verbal communication skills.
  • Ability to manage multiple priorities and work collaboratively within cross-functional teams.
  • Experience with legacy systems modernization and integration efforts is highly desirable.
  • Exposure to 24/7 production mainframe operations or on-call support environments.
  • Familiarity with DoD/DFAS security requirements and CAC-enabled environments.

Education & Experience

  • Bachelor's degree in Computer Science, Information Systems, Engineering, or related field preferred.

Clearance: Active Secret clearance required.

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