Senior Infrastructure Engineer

About this job

Do you want to work with one of Sweden’s most critical IT infrastructures? We are looking for an Infrastructure Engineer / System Programmer (SysProg) to join our mainframe team and help operate and modernise our z/OS platform in a highly secure, business critical environment. The role You will be part of a skilled mainframe team responsible for the stability, availability, and evolution of our z/OS environment. The role combines deep technical system programming with operational responsibility and close collaboration across IT and the business. In this role you will play a key role in: • System programming and maintenance of z/OS and related subsystems • Work closely with domain owners for MQ on z/OS, IMS and/or DB2 (depending on your profile) • Software installation, upgrades, and maintenance using SMP/E • Incident investigation, problem management, and operational support • Manage certificates, encryption, and security related configurations • Participate in on call duty and planned infrastructure activities, such as datacentre swaps and major changes • Contribute to modernisation, automation, and continuous improvements Your profile • Has solid experience working 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, including certificates, PKI, encryption, and key management • Is comfortable working in 24/7, high availability environments • Is structured, proactive, and enjoys taking ownership • Enjoys working both independently and as part of a small expert team • Curious and motivated to continuously develop your skills • Calm and methodical under pressure in incident situations Nice to have • Cross platform integration (z/OS ↔ distributed systems) • Experience from financial or other regulated environments • Automation, monitoring, and alerting on the mainframe • Knowledge of additional z/OS subsystems or middleware products Application As part of our recruitment process, identity verification will be conducted through inspection of your ID card, and background checks will be carried out as required.

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