Mainframe Z Networks Specialist - Edinburgh - Outside IR35 Prestigious Edinburgh based client requires an accomplished Mainframe Z Networks Specialist to provide advanced support, including incident and problem resolution for the Mainframe Network estate. You will manage key projects that are aligned with the strategic initiatives, including infrastructure modernisation and resilience improvements and will configure and maintain products and services. You will also contribute to the successful delivery of projects, including operational support and out-of-hours deployments, while applying site reliability engineering (SRE) principles to enhance system performance and stability. 2 days a week onsite and 3 days WFH in Either Edinburgh, Leeds or Halifax location. Maintaining service stability and optimisation. Support and implement changes. Resolution of incidents. Provide 24x7 support Identify, review, evaluate and mitigate potential risks ensuring adherence to relevant risk policies and frameworks or to ensure compliance with internal/external regulation. Help drive the strategy and design across the estate. Collaborate with key stakeholders, drive and deliver against the technology roadmap. Enforce standardisation and assist with improvement initiatives in the team. ESSENTIAL: Extensive experience as a Mainframe Engineer operating at a mid-to-senior level, with deep technical knowledge of z/OS and z/VM Networking, including Communication Server, SNA and TCP/IP. Proficient in managing and troubleshooting z/OS, z/VM, USS, SDSF and JCL environments, ensuring system stability and performance. Expertise in configuring and maintaining session management products such as TPX, CL/Supersession, and NC-Access to optimise user access and efficiency. Hands-on experience with network management tools, including IBM NetView to monitor, control and enhance mainframe network performance. Incident and Problem Resolution Strong track record of delivering projects in complex IT environments, including infrastructure upgrades, migrations, and service improvements. Out-of-Hours Support: Willingness and flexibility to work unsociable hours and respond at short notice to support critical incidents and key project milestones. Stakeholder Collaboration: Professional and commercially aware, with experience working closely with third parties and internal teams to align technical solutions with business objectives. Knowledge and application of ITIL best practices for incident, problem, and change management. Experience working in Agile and DevOps environments. Proficient in Jira and Confluence Change Management Processes/Frameworks. Disaster Recovery and Business Continuity Network monitoring solutions like IBM NetView and Dynatrace. Incident Management & Operational Support Automation & Infrastructure Modernisation. Security & Compliance On call and Out of Deployment time may be required - policy as per the above Click Apply now/contact Lianne to be considered for the Mainframe Z Networks Specialist - Edinburgh - Outside IR35 role