> Markdown version of [/jobs/ext/238587-principal-software-engineer](https://www.wearedevelopers.com/jobs/ext/238587-principal-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Principal Software Engineer

- **Company:** Rocket Software, Inc.
- **Location:** Perth, ND, United States
- **Contract:** Permanent contract
- **Skills:** C (Programming Language), Java (Programming Language), C++ (Programming Language), Customer Information Control System (CICS), Computer Programming, Datagram Transport Layer Security, IBM Mainframe, Rexx (Programming Language), Interactive System Productivity Facility (ISPF), Z/OS, Enterprise Software Applications, Programming Languages
- **Published:** May 15, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=607e7fb58ee24169

## About the Role

Do you have experience in Operating systems?, * Strong proficiency in C, C++, and Java

 * Demonstrated familiarity with IBM mainframe operating systems (z/OS)
 * Experience developing, maintaining, or supporting complex, high-performance software systems

Highly Desirable Skills and Experience

 * High Level Assembler (HLASM) programming experience
 * Familiarity with ISPF, REXX and DTL
 * Technical knowledge of key mainframe subsystems (e.g., IMS, CICS)

The successful applicant will bring strong technical judgment, an architectural mindset, attention to detail, and enthusiasm for working in a technically deep, highly collaborative engineering environment, along with a proactive approach to researching, evaluating, and applying new technologies, processes, and engineering practices.

## Description

Rocket Software is seeking a Principal Software Engineer to help design, develop, and support strategic products for IBM z/OS mainframes. In this role, you will act as a trusted technical expert, taking ownership of critical components across one or more products, with support from a globally distributed team of engineering specialists.

You will collaborate closely with peers to design, enhance, and maintain our world-class portfolio of system-level products. This role is well suited to engineers with a strong foundation in modern programming languages, experience building enterprise software, and a genuine interest in IBM mainframe environments. You will be encouraged to continuously learn, share knowledge, and drive technical excellence across the team.


## Related Videos

- [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob)
- [Photonic Computing: Programming a New Class of AI Accelerators (incl. Live Coding)](https://www.wearedevelopers.com/videos/100196-photonic-computing-programming-a-new-class-of-ai-accelerators-incl-live-coding)
- [".Net is too slow" was not an option](https://www.wearedevelopers.com/videos/100176-net-is-too-slow-was-not-an-option)
- [Hands-on Journey to Quantum Computing with IBM](https://www.wearedevelopers.com/videos/137-hands-on-journey-to-quantum-computing-with-ibm)
- [Writing a full-text search engine in TypeScript](https://www.wearedevelopers.com/videos/504-writing-a-full-text-search-engine-in-typescript)
- [Machine Learning for Software Developers (and Knitters)](https://www.wearedevelopers.com/videos/154-machine-learning-for-software-developers-and-knitters)

## Related Articles

- [Résumé-Driven Development: How IT trends affect the job market for software developers](https://www.wearedevelopers.com/magazine/59-resume-driven-development-how-it-trends-affect-the-job-market-for-software-developers)
- [10 Highest Paying Programming Languages 2025](https://www.wearedevelopers.com/magazine/150-10-highest-paying-programming-languages-2025)
- [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)
- [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)
- [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know)
- [Is Software Engineering Hard?](https://www.wearedevelopers.com/magazine/448-is-software-engineering-hard)