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# Mainframe Engineer II

- **Company:** Mutual of Omaha Insurance Company
- **Location:** United States (Remote available)
- **Salary:** $105,000.0 - $135,000.0
- **Contract:** Permanent contract
- **Skills:** Application Integration Architecture, Batch Processing, Business Systems, COBOL (Programming Language), IBM DB2, Job Control Language (JCL), Mainframes, Scaled Agile Framework, SQL Stored Procedures, SQL Databases, Z/OS, Tso/ispf, File Transfer Protocol (FTP), Control M
- **Published:** July 27, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=6fd46155de269c57

## About the Role

* Professionally solved challenges for full-stack application development and implementation over the past three years or more including: COBOL, DB2, SQL, JCL, Control-M, Topaz, and overall mainframe knowledge.
 * Strong analytical and problem-solving ability - called out by the hiring manager as the single most important trait for this role, given the need to safely modify complex, undocumented legacy logic.
 * Working knowledge of TSO / ISPF for z/OS.
 * Experience with file transfer protocols (e.g.. FTP, SFTP, Co:Z, NDM)
 * Collaborative approach and a willingness to work with team members.
 * Driven to learn new technologies through research and investigation.
 * Willingness to learn business systems and processes.
 * You promote a culture of diversity and inclusion, value different ideas and opinions, and listen courageously, remaining curious in all that you do.
 * Able to work remotely with access to a high-speed internet connection and located in the United States or Puerto Rico.

PREFERRED:

 * Experience with Stored Procedures, ACE, and integration a plus.
 * Scaled Agile Framework (SAFe).

We value diverse experience, skills, and passion for innovation. If your experience aligns with the listed requirements

## Description

* Contribute towards the end-to-end development, testing, maintenance, and integrating applications/systems.
 * Improve existing processes.
 * Maintain and enhance existing mainframe applications - primarily small-to-moderate scope changes (e.g., expanding transaction thresholds, adding fields) that require touching multiple integration points across a 40+ year old system.
 * Apply strong analytical and troubleshooting skills to interpret decades-old system logic with limited or incomplete documentation.
 * Participate in a rotating production support schedule (one week primary / one week secondary / one week off) supporting nightly batch processing, typically within a 4:00-7:00 PM window.
 * Ability to fill various roles (e.g. individual contributor, leader, teacher, mentor)
 * Gain understanding of supported business unit(s) and awareness of related objectives and challenges.


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