Mainframe z/OS – ISV Products Administrator
Are you an expert in Mainframe z/OS systems and open to relocating to Norway? Manage ISV products, troubleshoot issues, optimize system performance with global IT leader offering excellent benefits!!
Location: Oslo, Norway (Near City Center)
Work Model: Hybrid (2-3 Days Working from Office)
Type: Full-Time | Long-Term Engagement
About the Client
Our client is a global IT services leader, supporting critical infrastructure for major enterprises worldwide. With a strong presence across 60+ countries, they specialize in managing and modernizing complex IT environments, including some of the most advanced mainframe systems in the world.
About the Role
As Mainframe z/OS – ISV Products Administrator, you will be part of a skilled global team managing the installation, maintenance, and support of ISV and IBM software products. You'll work with key tools like SMP/E, REXX, and JCL to ensure stability and performance across large-scale enterprise environments.
What You’ll Be Doing
- Install and Maintain Software: You will install and configure ISV and IBM products on z/OS systems, ensuring they are working smoothly.
- Troubleshoot Issues: You will help solve problems, analyze system errors, and find solutions to improve the system’s performance.
- Work with Tools: You will use tools like SMP/E, JCL, REXX, and TSO to optimize mainframe operations.
- Collaborate: Work with other teams to ensure systems run efficiently and provide support to customers as needed.
- Improve Systems: Contribute to ongoing projects aimed at enhancing system performance and functionality.
Required Skills
- Solid experience in mainframe software administration and z/OS system tools.
- Hands-on with ISV tools such as CA OPS/MVS, ACF2, SAS, CA TLMS, CA View, ChangeMan ZMF, etc.
- Proficiency in REXX/CLIST scripting and using JCL, SDSF, TSO.
- Good understanding of z/OS operations, software maintenance, and performance monitoring.
- Fluent in English (both written and spoken).
Preferred Skills
- Familiarity with Db2, CICS, IMS, and compiler products.
- Experience with z/OS ISHELL/OpenMVS.
- Knowledge of ITSM tools like ServiceNow or SM9.
- Certifications related to mainframe administration are a plus.
- Coordination or sub-project leadership experience is an advantage.
Eligibility:
European citizens or individuals with a valid visa and a willingness to relocate for this role are welcome to apply.
Why Choose This Role?
- Pension plan (Innskuddspensjon)
- Employer-paid life insurance
- 27 vacation days per year
- Parental pay (full salary based on length and regulations)
- Care Volunteer Day Off
- Subsidized canteen with coffee, tea, and fresh fruit
- Office located in central Oslo, near transport links
- Bike parking, cloakroom with showers, and free gym access
Recruitment Firm
This position is handled by Sperton Norway, a specialist recruitment and consulting firm helping companies connect with top-tier technical talent across the Nordics and beyond.
If you’re looking for a new challenge where your mainframe expertise is valued and your growth supported, apply now!
- Department
- Information Technology
- Locations
- Oslo
- Employment type
- Full-time
- Job location
- Oslo, Norway
- Employment Level | Seniority
- Associate, Mid-Senior level, Senior Level

Sperton
We are on a mission to be a one-stop solution provider for Global Recruitment, People Management and Global Mobility services by understanding the needs of our clients and delivering exceptional services beyond the market standards.
Mainframe z/OS – ISV Products Administrator
Are you an expert in Mainframe z/OS systems and open to relocating to Norway? Manage ISV products, troubleshoot issues, optimize system performance with global IT leader offering excellent benefits!!
Loading application form
Already working at Sperton Global AS ?
Let’s recruit together and find your next colleague.