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Software Engineer III ( Mainframe ASSEMBLER, HLASM)

Rocket Software

Salary not specified
Sep 22, 2025
Remote, US
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The ChangeMan developer designs, develops, troubleshoots, debugs the ChangeMan ZMF product, primarily written in Assembler utilizing z/OS and associated components such as ISPF, REXX, VSAM, DB2 and CICS. Responsibilities will include both maintenance and development of new product features.

Requirements

  • Mainframe assembler programming experience
  • z/OS utilities, JCL and REXX
  • DB2 experience
  • CICS experience
  • Experience in Problem diagnosis, dump reading and debugging (with IPCS a plus)
  • Knowledge of IBM z/OS internals, storage and file systems (VSAM, zFS etc.)
  • ChangeMan experience

Responsibilities

  • Programming, conducting code reviews, and testing software as needed, ensuring quality of deliverable
  • Programming, conducting code reviews, and testing software as needed, ensuring quality of deliverables
  • Execute various forms of testing – unit, system, regression, integration, performance, volume
  • Work with support in diagnosing, reproducing, and resolving customer issues.
  • Acts as the technical subject matter expert for a product domain.
  • Quantify and communicate work estimates and risks to direct management
  • Ensures all tasks are completed thoroughly and that any work done is tested, unit tested, documented, and meets quality standards

Other

  • 5 - 8 years of software engineering experience
  • Handle multiple competing priorities with minimal help
  • Understand features as a whole and able to break down larger stories and features into tasks
  • All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.
  • Rocket Software Inc. is also committed to compliance with all fair employment practices regarding citizenship and immigration status.