Z​/OS Software Developer

Remote z/OS Assembler programming opportunity

Jobot Consulting job is hosted by:
Charles Simmons.

Salary: $50 - $75 per hour.

Seeking a proficient z/OS Software Developer with strong z/OS expertise to join our team. This senior level engineer will work with general direction from product management to determine and develop approaches to solutions for a wide range of complex software engineering problems. Assignments may include new product development, upgrades, fixes to existing product versions, and directly working with customers. This is a telecommute position, so the ideal candidate will be experienced thriving in a remote work environment.

• 100% remote (US based)
• long term, full time contract with potential to convert to salary after the first year
• comprehensive w2 benefits

• Contribute to software design, development, testing, debugging and maintenance.
• Contribute to design documents, unit tests, and QA test plans.
• Provide documentation updates for new functionality, enhancements, and fixes.
• Provide internal and/or external technical support through all phases of development, testing, and maintenance.
• Build and prepare product distribution packages and assist clients with installations.
• Assist the technical support staff in diagnosing and resolving customer issues.
• Work collaboratively with cross-functional groups to resolve customer issues and/or support pre‑sales initiatives, including product presentations.
• Adhere to any defined organizational quality standards and procedures.

• Must have excellent written and verbal communication skills.
• Highly proficient in assembler programming skills.
• Ability to understand/maintain code authored by someone else.
• Strong z/OS & VSAM internals and experienced with JCL.
• Strong troubleshooting & problem‑solving skills, including debugging, IPCS dump‑reading (SYSUDUMP, SYSABEND, and SVC dumps).
• Understanding of ICF catalog structure; retrieving catalog data.
• Understanding of z/OS storage management, DFSMS constructs, ACS routines.
• Proficient with SQL and complex queries.
• Experience working within an IBM access method's environment (i.e., beyond GET/PUT…).
• Understand z/OS control block structures - DSAB, JFCB, SIOT, TIOT, RB (both PRB and SVRB).
• Working knowledge of basic and supervisory macros.
• Experience with mainframe security such as RACF, ACF2, etc.
• Experience with software installation on z/OS operating systems.
• Understand reentrant vs non‑reentrant code.
• Understand SVC structure and use.
• Understand IBM user exits.
• Ability to work independently in a remote team environment and collaborate effectively with other engineers.
• Must be a self‑starter and enjoy working in a fast‑paced, team atmosphere.

• Experience with z/OS REXX.
• General knowledge of TCP/IP protocol and multi‑threading.
• Understanding of QSAM/BSAM.
• Experience with RLS (Record Level Sharing).
• Understand control block structures of VSAM (beyond the ACB and RPL) and QSAM (specifically buffer structure).
• Understand non‑application storage subpools (such as CSA, ECSA, and LSQA).
• Working knowledge of application programming in COBOL and assembler.
• Understand VSAM buffer structure (LSR vs NSR).
• Experience working with 64‑bit storage.
• Experience with tape catalog and tape robots (i.e., RMM/CA1/TLMS and IBM Virtual Tape Servers).
• Experience troubleshooting meetings directly with clients, sometimes under high pressure.
• Experience working in and supporting pre‑sales situations.
• Experience and comfortable giving technical product presentations (i.e., pre‑sales, user technical training, webinars).
• Microsoft Office (Excel, PowerPoint, Word, Outlook), SharePoint experience.
• Demonstrates an open mind and desire to learn.

Bachelor’s Degree or Equivalent Experience.

10+ years.

Interested in hearing more? Easy Apply now by clicking the “Easy Apply” button.

Want to learn more about this role and Jobot Consulting? Click our Jobot Consulting logo and follow our Linked In page!