Senior Developer – IBM z/OS Connect
ITTConnect is seeking a Senior Mainframe Developer - IBM zOS Connect to work on site for a client in the Columbus, OH area. This is a contract position with a client that is a global leader in consulting, digital transformation, technology and engineering services with over 300,000 team members in nearly 50 countries. The end client is in the Utilities sector.
Job location : Columbus, OH or Nashville, TN (both locations would be for on site work)
We are seeking a Senior Developer with strong expertise in IBM z/OS Connect to support Gigawatt.ai modernization initiatives by designing and building new z/OS-based services integrated with MACSS (legacy utility management mainframe application). This role focuses on exposing mainframe capabilities as modern APIs and enabling seamless enterprise integration.
Key Responsibilities :
- Design, develop, and deploy RESTful APIs using IBM z/OS Connect
- Build and expose mainframe services (CICS, IMS, DB2) to distributed systems
- Integrate z/OS services with MACSS and other enterprise platforms
- Translate business requirements into scalable API-based solutions
- Ensure performance, security, and reliability of z/OS services
- Collaborate with cross-functional teams (middleware, integration, application teams)
- Troubleshoot and resolve issues across z/OS and API layers
- Support modernization initiatives by enabling API-driven mainframe access
Requirements
- Strong hands-on experience with IBM z/OS Connect (EE preferred)
- Solid background in z/OS environment (CICS, IMS, DB2)
- Experience building and consuming REST APIs
- Knowledge of JSON, OpenAPI/Swagger
- Familiarity with mainframe integration patterns
- Strong debugging and performance tuning skills on z/OS
- Experience working in enterprise, high-availability environments
Nice to Have:
- Experience with API management tools (e.g., IBM API Connect)
- Exposure to middleware/integration platforms
- Understanding of security protocols (OAuth, JWT, RACF)
- Prior experience with legacy system modernization initiatives
Recommended Jobs
Locum Medical Oncologist
Palm Health Resources is currently hiring for a Locum Medical Oncologist to provide ongoing locums coverage in Northwest Ohio! Come work in a primarily outpatient setting with some light inpatient du…
Landlord - Tenant Programs Manager
JOB SUMMARY The Landlord-Tenant Programs Manager (LTPM) will be responsible for implementing and managing DEC’s Landlord Tenant Home Repair Pilot pilot program, with the goal of developing a success…
Landscape Maintenance Team Member
Job Description Job Description Position Overview The landscape maintenance team member performs a variety of tasks assigned by the team leader. The landscape team member engages in the fol…
Warehouse Attendant
Shenandoah Telecommunications Company (“Shentel”) specializes in providing High-Speed Internet and other telecommunications services to customers in the Mid-Atlantic United States. We focus on rural …
Busser/Utility
Job Description Job Description Benefits: Employee discounts Flexible schedule Training & development Summary of Position : Run food to guests promptly and efficiently. Remove use…
Retail Team Lead/Shift Manager
Job Description Job Description Goodwill Industries of Greater Cleveland & East Central Ohio seeks a motivated and enthusiastic full-time Store Team Lead/Shift Manage r to help drive success at…
Insurance Account Specialist 1
Job Description Job Description Primary role is to provide risk management solutions utilizing relationship building & consultative selling techniques. Responsibilities include, but are not li…
Bakery Team Leader
: Job Summary "Our Bakery Team Leader manages the entire bakery team and keeps it running like a well-oiled machine. You'll be the one who Team Members and guests look to for guidance to design t…
CDL A Driver
Great company. Great people. Great opportunities. DRIVER CDL A If you’d like the chance to make your mark with the world’s largest equipment rental provider, come build your future with Unit…
Process Technician (2nd shift, M-F)
Regional plastics manufacturer, over 50 years in business, servicing consumer products, healthcare, & industrial goods, seeks a Process Technician on the 2nd shift, M-F. To be successful in th…