z/OS Systems Programmer - #2072024

z/OS Systems Programmer

Location: Hybrid / Remote Options Available

Type: Permanent / Contract

We are seeking an experienced z/OS Systems Programmer to join a high-performing infrastructure and engineering team supporting critical enterprise mainframe environments. This is an excellent opportunity for a technically strong systems programmer with deep expertise across z/OS technologies, IBM and CA products, and enterprise production support environments.

The successful candidate will play a key role in the upgrade, maintenance, support, and continuous improvement of core mainframe systems and tooling, ensuring platform stability, performance, and resilience across complex environments.

Key Responsibilities

• Upgrade, maintain, and support the z/OS operating system
• Install, configure, maintain, and support a range of IBM and CA (Computer Associates) ISV products
• Provide high-level production support across critical enterprise systems
• Support software deployment, configuration, implementation, testing, and planning activities
• Perform technical analysis, troubleshooting, and problem determination across the mainframe estate
• Develop and implement functional and technical solutions aligned to business and infrastructure requirements
• Participate in software implementation activities, project delivery, and operational support
• Provide out-of-hours support for software changes, upgrades, and project activities as part of an on-call rota
• Work collaboratively with infrastructure, engineering, operations, and project teams to ensure platform reliability and service continuity
• Ensure compliance with operational, security, and risk management standards

Essential Skills & Experience

• Extensive hands-on experience in mainframe systems programming
• Strong experience supporting and maintaining z/OS environments
• Proven expertise with:
• z/OS
• SMP/E
• TSO/ISPF
• USS
• SDSF
• JCL
• Strong knowledge of IBM and CA products
• Ability to work independently and manage complex technical issues
• Excellent problem-solving and troubleshooting skills
• Strong communication skills with the ability to explain complex technical concepts clearly to varied stakeholders
• Experience working within enterprise production and support environments
• Strong understanding of operational governance, risk, and regulatory compliance

Desirable Skills

• Assembler programming
• REXX and CLIST scripting
• Automation tooling experience
• GDPS exposure
• Top Secret security administration
• Performance and capacity monitoring experience using:
• Omegamon
• RMF
• SMF
• SAS

What We’re Looking For

• A proactive and collaborative team player
• Someone who thrives in complex, mission-critical environments
• A strong technical specialist with a continuous improvement mindset
• An individual who can build strong working relationships across teams and stakeholders
• Someone comfortable balancing operational support with project-based engineering work

If you are an experienced z/OS Systems Programmer looking to work within a challenging and rewarding enterprise environment, we would like to hear from you.