Lead Mainframe Specialist – zHardware Systems (HMC/HCD) – Oslo
Are you experienced in Mainframe hardware, z/OS, GDPS, HMC/HCD, and zCrypto? Join a global leader in Oslo and take your career to the next level!
- Location: Oslo, Norway
- Work Authorization: Open to EU citizens or candidates with a valid Norwegian work permit
Are you an experienced Mainframe Specialist with expertise in zHardware, HMC, and HCD? Do you thrive in complex environments, solving high-impact challenges while working with cutting-edge technologies?
We’re looking for a Lead Mainframe Specialist to join our client’s team—a global leader in IT infrastructure services, specializing in designing, building, and modernizing critical technology systems for major enterprises.
Your Role
As a Lead Mainframe Specialist, you’ll play a key role in managing, optimizing, and securing mainframe hardware systems. Every day presents new challenges, ensuring no two projects are the same. You'll be troubleshooting, implementing high-availability solutions, and collaborating with expert teams to drive operational excellence.
Key Responsibilities:
✅ Ensure optimal system performance and reliability, minimizing downtime through proactive troubleshooting
✅ Plan, implement, and maintain GDPS for high availability and disaster recovery
✅ Oversee Hardware Management Console (HMC) and Hardware Configuration Definition (HCD) tasks
✅ Apply deep expertise in zOS systems to resolve issues and enforce security best practices
✅ Maintain comprehensive documentation of system configurations, procedures, and changes
What You Bring
✔️ 5+ years of experience in mainframe hardware system administration
✔️ Expertise in zHardware, HMC, and HCD
✔️ Strong experience with GDPS for disaster recovery and high availability
✔️ Knowledge of zCrypto solutions (ICSF)
✔️ Solid understanding of zOS system architecture and operations
✔️ Proficiency in English (must-have)
Nice to Have:
✔️Experience with hardware migrations
✔️Knowledge of networking and switches
✔️Familiarity with ITIL processes and best practices
Why Join?
✔️ Cutting-Edge Technology: Work on mission-critical systems with some of the most advanced and reliable technology
✔️ A Collaborative, Expert Team: Join a diverse group of specialists passionate about innovation and continuous improvement
✔️ Career Growth & Development: Work with industry leaders, expanding your expertise in mainframe security and infrastructure
✔️ Impactful Work: Play a crucial role in keeping enterprise systems secure, reliable, and future-ready
Ready to Take Your Career to the Next Level?
If you're a mainframe expert looking for your next challenge, we’d love to hear from you! Apply today and be part of something extraordinary.
Recruitment Firm - Sperton
This position is published and managed by Sperton Global, global recruitment and consulting firm.
Apply now and be part of a team shaping the future of strategic category management!
- Department
- Information Technology
- Locations
- Norway
- Employment type
- Full-time
- Job location
- Oslo, Norway

Colleagues
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.
Lead Mainframe Specialist – zHardware Systems (HMC/HCD) – Oslo
Are you experienced in Mainframe hardware, z/OS, GDPS, HMC/HCD, and zCrypto? Join a global leader in Oslo and take your career to the next level!
Loading application form