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Mainframe Operations Jobs in Indiana (NOW HIRING)

SOSi

Sr. Systems Engineer

Indianapolis, IN · On-site +1

$99K - $136K/yr

Experience supporting mission-critical production operations. * Strong IBM mainframe experience. * IBM z/OS, IDMS, Oracle, Cognos, Broadcom Endevor, Production Operations, System Integration.

SOSi

Sr. Systems Engineer

Indianapolis, IN · On-site

$99K - $136K/yr

Experience supporting mission-critical production operations. * Strong IBM mainframe experience. * IBM z/OS, IDMS, Oracle, Cognos, Broadcom Endevor, Production Operations, System Integration.

SOSi

Sr. Systems Engineer

Indianapolis, IN · On-site +1

$99K - $136K/yr

Experience supporting mission-critical production operations. * Strong IBM mainframe experience. * IBM z/OS, IDMS, Oracle, Cognos, Broadcom Endevor, Production Operations, System Integration.

Huntington

Site Reliability Engineer

Indianapolis, IN · On-site

$54.50 - $72.50/hr

Support Mainframe technologies including z/OS, MVS, CICS, MQ, DB2, COBOL, JCL, TSO/ISPF, Easytrieve ... Drive automation, eliminate operational toil, improve availability, and reduce recurring incidents.

Liberty Mutual

Senior Test Engineer

Indianapolis, IN

Experience integrating automated testing into CI/CD pipelines using tools such as Jenkins, GitHub Actions, Azure DevOps, or similar platforms. Working knowledge of mainframe technologies, for backend ...

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Mainframe Operations information

What is mainframe operations?

Mainframe operations refer to the processes and tasks involved in managing, monitoring, and maintaining mainframe computer systems. These systems are powerful computers used by large organizations for critical applications, bulk data processing, and large-scale transaction processing. Mainframe operators ensure system reliability, perform backups, monitor performance, troubleshoot issues, and coordinate with IT teams to support business operations. Their work is essential to keeping core business systems running smoothly and securely.

What are the key skills and qualifications needed to thrive as a mainframe operations professional?

To thrive in Mainframe Operations, you need expertise in mainframe system administration, strong problem-solving skills, and a background in IT or computer science. Familiarity with IBM z/OS, JCL (Job Control Language), automation tools, and monitoring systems is typically required, along with certifications like IBM Certified System Programmer. Attention to detail, strong communication, and the ability to work under pressure help professionals quickly resolve incidents and coordinate with teams. These skills are essential to ensure the reliability, security, and optimal performance of critical enterprise computing environments.

What are some common challenges faced by professionals in mainframe operations, and how can they be addressed?

Professionals in Mainframe Operations often encounter challenges such as managing legacy systems, ensuring 24/7 uptime, and swiftly resolving system outages. Staying up to date with new automation tools and best practices can help address these challenges. Additionally, effective communication with application teams and constant monitoring are key to minimizing downtime and ensuring smooth operations. Continuous learning and participation in cross-training sessions can also help team members stay proficient as technologies evolve.

What is the difference between Mainframe Operations vs Mainframe System Programmer?

AspectMainframe OperationsMainframe System Programmer
Primary ResponsibilitiesMonitoring, maintaining, and supporting mainframe systems to ensure smooth operationInstalling, configuring, and optimizing mainframe system software and operating systems
Required SkillsKnowledge of mainframe hardware, job scheduling, and system monitoring toolsExpertise in system software, scripting, and system tuning
CertificationsIBM Certified System Administrator, z/OS certificationsIBM Certified System Programmer, z/OS certifications
Work EnvironmentData centers, mainframe rooms, enterprise IT departmentsData centers, enterprise IT teams, mainframe software support

Both roles are essential in mainframe environments, with Mainframe Operations focusing on system support and monitoring, while Mainframe System Programmers handle system software installation and optimization. They often collaborate but require different skill sets and certifications.

Are mainframe operations jobs in demand?

Mainframe operations jobs remain in demand due to the continued reliance of large organizations on mainframe systems for critical data processing. These roles often require knowledge of legacy systems, scripting, and tools like IBM Z, with demand driven by industries such as finance, government, and healthcare that prioritize system stability and security.

Is mainframe operations hard to learn?

Mainframe operations can be complex due to the specialized systems, programming languages, and tools involved, but with proper training and experience, it is learnable. Many professionals start with foundational skills in operating systems like z/OS and gain certifications to improve their understanding.

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

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

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

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

Mainframe Operations jobs near you
Infographic showing various Mainframe Operations job openings in Indiana as of August 2026, with employment types broken down into 1% As Needed, 82% Full Time, 13% Part Time, 1% Temporary, 2% Contract, and 1% Nights. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution.

Intermediate Systems Engineer

CyberMedia Technologies

Indianapolis, IN • On-site

Full-time

Re-posted 2 days ago

Job description

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

Position Summary

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

The Systems Engineer participates in all phases of the system development lifecycle (SDLC), with emphasis on planning, analysis, evaluation, integration, testing, verification, validation, and acceptance activities, including Independent Verification & Validation (IV&V) and Developmental Test & Evaluation (DT&E). The position involves applying technical and business principles to support the development of automated engineering solutions for complex operational requirements.

Key Responsibilities

  • Perform systems analysis, design, integration, testing, implementation, and maintenance activities for enterprise applications and systems.
  • Participate in all phases of the system development lifecycle (SDLC).
  • Support planning, requirements gathering, system evaluation, integration, testing, and acceptance activities.
  • Analyze business and technical requirements and assist in developing automated engineering solutions.
  • Collaborate with developers, engineers, testers, and stakeholders to support project objectives and system enhancements.
  • Prepare and maintain technical documentation, reports, and system specifications.
  • Assist in troubleshooting system issues and identifying performance improvement opportunities.
  • Support software testing, configuration management, and audit readiness activities.
  • Ensure assigned tasks are completed in accordance with quality and compliance standards.
  • Analyze and Action Requests and System Change Requests, developing resolution plans and documenting outcomes in configuration management system.
  • Monitor production jobs and ABEND (unplanned program termination) codes using mainframe tools such as TSO, ISPF, SDSF, and JES.
  • Participate in COOP testing and enhancement activities; assist in maintaining system documentation

Required Qualifications

Candidates must possess intermediate-level hands-on experience (2-3 years) with the following:

  • Requirements Analysis
  • Software Design
  • IDMS database
  • COBOL programming

Preferred Qualifications

Intermediate-level hands-on experience (2-3 years) with the following is preferred:

  • JCL
  • System-to-System file sharing and interfaces
  • Oracle
  • COGNOS
  • JavaScript
  • Broadcom Endevor
  • Software Testing Strategies
  • Configuration Management Strategies
  • Audit Support and Assurance
  • REXX scripting language
  • z/OS mainframe operating environment; IBM mainframe tools: TSO, ISPF, SDSF, JES
  • PVCS Version Control; Enterprise Architect (EA) tool
  • Assembler programming (IBM mainframe)
  • Governmental accounting or financial systems (e.g., civilian payroll processing)

Desired Skills

  • Strong analytical and problem-solving abilities.
  • Knowledge of systems engineering methodologies and SDLC processes.
  • Ability to work collaboratively within cross-functional technical teams.
  • Strong written and verbal communication skills.
  • Experience supporting enterprise or government system environments is a plus.
  • Ability to manage multiple priorities in a fast-paced environment.
  • 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.

Apply