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
* 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
* REXX and CLIST scripting
* Automation tooling experience
* GDPS exposure
* Top Secret security administration
* Performance and capacity monitoring experience using:
* 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.
#J-18808-Ljbffr