Lead, Infrastructure Specialist (IBM IMS/z/OS)

Location: Oslo, Norway; In Person

Company

hirify.global operates and modernizes mission-critical technology systems for leading businesses, including enterprise mainframe and hybrid cloud environments.

What you will do

• Install, configure, maintain, and upgrade IBM IMS Database and Transaction Manager environments on z/OS mainframes.
• Monitor usage, capacity, and performance; identify bottlenecks and optimize infrastructure efficiency.
• Implement patches, system enhancements, and architectural upgrades to improve reliability, resilience, and availability.
• Administer user access controls, password policies, and mainframe security protocols.
• Diagnose high-severity IMS and z/OS incidents and maintain backup, recovery, and disaster recovery procedures.
• Collaborate with application developers, database administrators, and infrastructure teams; document configurations, procedures, and performance baselines.

Requirements

• Hands-on experience as an IMS System Programmer in enterprise IBM z/OS mainframe environments.
• Deep expertise in installing, configuring, maintaining, and upgrading IBM IMS Database and Transaction Manager software.
• Experience with mainframe monitoring, performance tuning, and capacity optimization for high-availability transaction systems.
• Understanding of mainframe security administration, including access controls, authentication, and password governance.
• Ability to troubleshoot and resolve complex system-level and database issues under pressure.
• Experience managing internal hardware and software infrastructure supporting application design and development lifecycles.
• Strong collaboration and communication skills for working with technical teams and driving operational excellence.

Nice to have

• Experience with IBM z/OS utilities, SMP/E, JCL, REXX, and mainframe automation tools.
• Familiarity with disaster recovery solutions, Parallel Sysplex, high-availability clustering, and data-sharing architectures.
• IBM Z or mainframe systems programming certifications.
• Experience in managed services or multi-client enterprise IT environments.

Culture & Benefits

• Full-time role with an in-person work arrangement in Oslo.
• Support for professional certifications and development in enterprise mainframe and hybrid cloud technologies.
• Career paths across mainframe modernization, enterprise architecture, cybersecurity, technical leadership, and principal domain roles.
• Well-being programs covering financial, mental, physical, and social health.
• Learning opportunities, coaching, personalized development goals, and continuous feedback.
• Inclusive culture focused on belonging, empathy, continuous learning, and shared success.

Hiring process

• If applying through an employee referral, select “Employee Referral” for “How Did You Hear About Us” and enter the referring employee’s hirify.global email address.