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# Mainframe Systems Engineer - CICS - 100% Remote

- **Company:** Conexess Group
- **Location:** Allen, TX, United States (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Customer Information Control System (CICS), Computer Programming, System Configuration, IBM DB2, Disaster Recovery, Mainframes, Performance Tuning, Web Services, Information Technology
- **Published:** October 29, 2026
- **Apply:** https://www.thejobnetwork.com/job/a7e2eaac-fec8-4ba6-aff6-a128898f8d57/mainframe-systems-engineer-cics-remote

## About the Role

* Bachelor's degree in Computer Science, Business, or a related field and six (6) years of mainframe infrastructure technical software and hardware analysis, programming, and installation experience
 * Or High School Diploma or GED with ten (10) years of experience of mainframe infrastructure technical software and hardware analysis, programming, and installation
 * Experience in installation and support of Mainframe system products including ZOS, CICS, MQ, DB2, Storage, Automation, ZLINUX or Networking
 * Experience in problem determination, installation and support of mainframe products, disaster recovery experience and knowledge, and performance and tuning experience
 * Experience in opening, managing, solving, and closing problems with vendor support centers

Skills and Competencies

 * Ability to interpret and ensure compliance with applicable rules, regulations, and industry guidance
 * Ability to work in a team environment when applicable
 * Ability to work under limited guidance
 * Ability to work under pressure and meet deadlines
 * Excellent problem solving and trouble shooting skills
 * Strong communication and collaboration abilities
 * Strong understanding of mainframe hardware

## Description

The Mainframe Systems Engineer installs and maintains mainframe operating systems ensuring the stability, performance and security of our mainframe environment while driving innovation and continuous improvement., * Evaluates system specifications, input/output processes, and working parameters for hardware/software compatibility

 * Troubleshoots and resolves complex technical issues related to mainframe systems and applications
 * Administers, configures, and maintains mainframe systems, including hardware, operating systems, and software components
 * Maintains operational effectiveness and efficiency by monitoring, evaluating, and adjusting mainframe operating systems
 * Maintains quality service by establishing and enforcing organization standards
 * Maintains installation records by documenting system configurations, procedures, and best practices
 * Resolves problems by determining cause, providing technical assistance to applications and other support staff
 * Develops and implements backup and disaster recovery strategies to ensure business continuity
 * Covers on call 24x7 on a rotating basis for problem resolution and SEV1 incidents
 * Ensures compliance with risk management programs, rules and regulations, and cybersecurity practices; identifies opportunities for and supports process improvements; applies disciplined change management practices, * Support and Monitor CICS TS 5.6 systems in a CICSPlex including on-call rotation that extends 24/7 within your scheduled time frame
 * Make changes as directed by application developers to CICS environments dynamically and to CSD including file, transaction, and bundle generation for JASON/XML Web API applications exposed thru URIMAPs
 * Assist with the deployment of CICS and supporting product code releases (such as CICSPA and CICS IA) via SMP/E and/or z/OSMF through various levels of sandbox, development, and production systems