Software Engineer III

Rocket Software, Inc.; Newbury; On-site; GBP 60,000 - 100,000; Full time

Job summary

An established industry player is seeking a skilled Software Engineer-III to join their innovative team. In this role, you will design and develop software tools, troubleshoot, and debug critical software programs. You will work with cutting-edge technologies on the ChangeMan ZMF product, primarily written in Assembler, while collaborating with talented professionals. This is a fantastic opportunity to contribute to impactful projects that power essential business processes and infrastructure. If you are passionate about problem-solving and eager to make a difference, this position is perfect for you.

Qualifications

• 5-10+ years of software engineering experience.
• Expertise in Mainframe assembler programming and z/OS internals.

Responsibilities

• Design and develop software tools for enhancements and new products.
• Conduct code reviews and testing to ensure quality of deliverables.

Skills

Mainframe assembler programming

IBM z/OS internals

Problem diagnosis

Debugging

REXX

JCL

Tools

DB2

CICS

ChangeMan

Job description

It's fun to work in a company where people truly BELIEVE in what they're doing!

Job Description Summary:

The Software Engineer-III designs, develops, troubleshoots, and debugs software programs for software enhancements and new products. Develops software tools including operating systems, compilers, routers, networks, utilities, databases, and Internet-related tools. Determines software’s compatibility with hardware and/or influences software's design in relation to hardware.

Additional Role: The ChangeMan developer designs, develops, troubleshoots, and debugs the ChangeMan ZMF product, primarily written in Assembler utilizing z/OS and associated components such as ISPF, REXX, VSAM, DB2, and CICS. Responsibilities include maintenance and development of new product features.

Position Reports to: Manager, Software Engineering

Essential Duties and Responsibilities:

1. Programming, conducting code reviews, and testing software to ensure quality of deliverables
2. Executing various tests – unit, system, regression, integration, performance, volume
3. Diagnosing, reproducing, and resolving customer issues with support
4. Acting as the technical subject matter expert for a product domain
5. Estimating work and communicating risks to management
6. Handling multiple priorities with minimal supervision
7. Breaking down features into tasks and understanding the overall feature set
8. Ensuring work is tested, documented, and meets quality standards
9. Participating in internal projects and other tasks as assigned

Required Qualifications:

• 5-10+ years of software engineering experience
• Expertise in Mainframe assembler programming
• Knowledge of IBM z/OS internals, storage, and file systems (VSAM, zFS, etc.)
• Experience in problem diagnosis, dump reading, and debugging (IPCS is a plus)
• Proficiency in z/OS utilities, JCL, and REXX
• Experience with software vendors is strongly preferred

Preferred Qualifications:

• DB2 experience
• CICS experience
• ChangeMan experience

Travel Requirements: 0-10%

Additional Information:

• Job Family Group: Engineering
• Job Family: Software & Quality Assurance Engineering
• Job Profile Name: Software Engineer III
• Employee Type: Individual Contributor
• Job Level: P3 (Career)

Rocket Software Inc. is committed to creating a diverse environment and is proud to be an equal opportunity employer. All qualified applicants will receive consideration without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. We also comply with all fair employment practices regarding citizenship and immigration status.

We are dedicated to providing reasonable accommodations for individuals with disabilities. If you need assistance or accommodation during the application process, please contact us at 781-577-4321 or [e-mail]. We evaluate requests on a case-by-case basis.

If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us!

Companies worldwide trust Rocket to solve complex business challenges by powering critical infrastructure, business processes, and data. We help extend the value of these assets, enabling our customers to embrace cloud, mobile computing, analytics, and future innovations. From the clothes we wear to the cars we drive, Rocket solutions power the backend systems relied upon daily by thousands of brands.

At Rocket, software is about more than just code—it’s about people. We are passionate problem-solvers, committed to making a difference. Our foundation is built on empathy, humanity, trust, and love, and we embody these values in everything we do. We treat everyone with respect and care, whether serving customers, partners, or fellow Rocketeers.

Founded in 1990, Rocket Software is headquartered in Waltham, Massachusetts, with 20 offices worldwide, bringing people and technology together to build a better future.