Infrastructure Engineer / System Programmer - Z/OS Mainframe
About the job
- Strong experience in an IBM z/OS environment as a system programmer or senior infrastructure specialist.
- Good skills in software maintenance and installation using SMP/E.
- Understanding of mainframe security, including certificates, public key infrastructure, encryption, and key management.
- Experience with production environments subject to 24/7 availability requirements.
- Ability to work independently and as part of a small expert team.
- Perform system programming and maintenance for the z/OS operating system and related subsystems.
- Collaborate with MQ for z/OS, IMS, and/or Db2 specialists according to area of expertise.
- Install, update, and maintain software using SMP/E tools.
- Investigate incidents, manage problems, and provide operational support.
- Manage certificates, encryption, and other security-related configurations.
- Participate in on-call duty and planned infrastructure changes, such as data center migrations and major deployment projects.
- Modernize, automate, and continuously develop the environment.
- Experience with integrations between z/OS and distributed systems.
- Background in finance or another regulated operating environment.
- Skills in mainframe automation, monitoring, and alerting systems.
- Familiarity with other z/OS subsystems or middleware solutions.
About the company
Tieto provides IT services to help businesses run more efficiently in a multi-sourcing, digital environment. Its offerings include consulting, system integration, cloud services, security, and industry-specific solutions across sectors such as energy, retail, finance, healthcare, and public sector. The company helps clients modernize their operations by combining business and IT transformation, data-driven insights, and managed services to enable digital experiences, compliant governance, and streamlined IT operations. Its approach differentiates itself through its emphasis on service integration and management (SIAM) in multi-vendor landscapes, end-to-end industry-focused solutions, and ongoing support that covers security, cloud orchestration, and transformation programs. Tieto’s goal is to help customers accelerate digitalization, improve efficiency, and realize cost predictability through integrated, secure, and scalable IT services.
Company Size
10,001+
Company Stage
N/A
Total Funding
N/A
Headquarters
Helsinki, Finland
Founded
1968
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Simplify's Take
What believers are saying
- Q1 2026 adjusted EBITDA margin reached 14.7% despite 3% revenue decline.
- 26 Apr 2026 cost program hit EUR 105 million run-rate savings.
- Jan 2026 Spain acquisitions and April Microsoft partnership expand selective growth paths.
What critics are saying
- 29 Apr 2026 cut up to 500 Tech Consulting jobs amid weak demand.
- 11 May 2026 arbitration with JS BidCo carries a EUR 110 million counterclaim.
- 2026 growth stays flat or negative, and Oslo delisting narrows liquidity.
What makes Tieto unique
- 24 Mar 2026 renamed to Tieto, sharpening identity around vertical software.
- 2026 strategy centers on Banktech, Caretech, Indtech, and Tech Consulting.
- 1 Jul 2026 Microsoft Copilot specialization deepens Tieto's AI delivery credibility.
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Benefits
- Flexible Work Hours