Job Title: Mainframe Platform Engineer Location: Manchester – Hybrid Contract Term: Until 31st December 2025 Day Rate: £298 per day (Inside IR35 via umbrella) Role Overview: We are seeking a skilled Mainframe Platform Engineer to join a high-performing team supporting critical infrastructure on a z/OS IBM Mainframe platform. This role requires deep technical expertise in CICS environments, a strong understanding of DevOps principles, and the ability to drive automation and continuous improvement across the software development lifecycle. Key Responsibilities: Design, implement, and support technical solutions on the z/OS Mainframe platform, with a focus on CICS environments. Champion DevOps practices, automating build, development, and release processes to reduce waste and increase efficiency. Provide technical leadership and guidance on mainframe products and subsystems, including CICS resource definition and environment management. Collaborate with developers, architects, testers, and stakeholders to streamline the development and maintenance of mainframe environments. Support incident management by offering technical insight and working with third parties to resolve issues. Monitor live services and identify opportunities for optimisation and improvement. Ensure compliance with governance, change, and release management processes. Engage with stakeholders to gather and own technical requirements. Mentor junior team members and contribute to knowledge sharing across the wider technical community. Skills & Experience Required: Advanced practical experience in a CICS technical role on z/OS Mainframe. Proven experience promoting and implementing DevOps principles. Working knowledge of: z/OS Connect API delivery, MQ, Endevor Administration, and GIT. Mainframe infrastructure and VSAM concepts. z/OS Communications Server. Proficiency in: Workload scheduling and automation tools (CA-7, CA-11, CA-OPSMVS). Coding and scripting (REXX, JCL, TSO, ISPF, SDSF, CLIST). Mainframe utilities (DFDSS, SORT, File Manager, DFSMS, DFHSM, Datacom). Problem management tools (IBM Debug Tool, Fault Analyser). CICS tailoring and monitoring tools (CEDA, Omegamon for CICS). Strong documentation and procedural writing skills.