Senior z/OS Infrastructure Engineer

Capgemini AB; Stockholms kommun; On-site; SEK 700,000 - 1,000,000; Full time

Benefits offered by this job

Competitive benefits

Flexible working conditions

Job summary

Capgemini AB is seeking an Infrastructure Engineer / System Programmer to join the mainframe team and help operate and modernise the z/OS platform in a highly secure, business-critical environment. You will ensure stability, availability, and evolution of the z/OS environment.

The role involves system programming, maintenance of z/OS, use of SMP/E for software management, and close collaboration with domain owners on MQ, IMS, or DB2, while supporting 24/7 operations and driving automation and

Qualifications

• Solid experience with IBM z/OS in a system programming or senior infrastructure role.
• Strong knowledge of software maintenance and installation using SMP/E.
• Solid understanding of mainframe security, incl. certificates, PKI, encryption and key management.
• Comfortable in 24/7, high availability environments.
• Structured, proactive, and takes ownership.
• Able to work independently and in a small expert team.
• Curious and motivated to continuously develop skills.
• Calm and methodical under pressure in incident situations.

Responsibilities

• System programming and maintenance of z/OS and related subsystems.
• Collaborate with domain owners for MQ on z/OS, IMS and/or DB2.
• Software installation, upgrades, and maintenance using SMP/E.
• Incident investigation, problem management, and operational support.
• Manage certificates, encryption, and security configurations.
• Participate in on-call duties and major infrastructure changes.
• Contribute to modernisation, automation, and continuous improvements.

Skills

z/OS expertise

SMP/E

Mainframe security

24/7 availability

Ownership & initiative

Independent work

Curiosity & development

Calm under pressure

Tools

z/OS

SMP/E

Job description

Capgemini AB is seeking an Infrastructure Engineer / System Programmer to join the mainframe team and help operate and modernise the z/OS platform in a highly secure, business-critical environment. You will ensure stability, availability, and evolution of the z/OS environment.

The role involves system programming, maintenance of z/OS, use of SMP/E for software management, and close collaboration with domain owners on MQ, IMS, or DB2, while supporting 24/7 operations and driving automation and