Mainframe Service Engineer

Purpose of the role

To build and maintain infrastructure platforms and products that support applications and data systems, using hardware, software, networks, and cloud computing platforms as required with the aim of ensuring that the infrastructure is reliable, scalable, and secure. Ensure the reliability, availability, and scalability of the systems, platforms, and technology through the application of software engineering techniques, automation, and best practices in incident response.

• Build Engineering:
  Development, delivery, and maintenance of high‑quality infrastructure solutions to fulfil business requirements ensuring measurable reliability, performance, availability, and ease of use. Including the identification of the appropriate technologies and solutions to meet business, optimisation, and resourcing requirements.
• Incident Management:
  Monitoring of IT infrastructure and system performance to measure, identify, address, and resolve any potential issues, vulnerabilities, or outages. Use of data to drive down mean time to resolution.
• Automation:
  Development and implementation of automated tasks and processes to improve efficiency and reduce manual intervention, utilising software scripting/coding disciplines.
• Security:
  Implementation of a secure configuration and measures to protect infrastructure against cyber‑attacks, vulnerabilities, and other security threats, including protection of hardware, software, and data from unauthorised access.
• Teamwork:
  Cross‑functional collaboration with product managers, architects, and other engineers to define IT Infrastructure requirements, devise solutions, and ensure seamless integration and alignment with business objectives via a data‑driven approach.
• Learning:
  Stay informed of industry technology trends and innovations, and actively contribute to the organization’s technology communities to foster a culture of technical excellence and growth.

To advise and influence decision making, contribute to policy development and take responsibility for operational effectiveness. Collaborate closely with other functions and business divisions. Lead a team performing complex tasks, using well developed professional knowledge and skills to deliver on work that impacts the whole business function. Set objectives and coach employees, assess performance relative to objectives and determine reward outcomes.

If the position has leadership responsibilities, People Leaders are expected to demonstrate a clear set of leadership behaviours to create an environment for colleagues to thrive and deliver to a consistently excellent standard. The four LEAD behaviours are: L – Listen and be authentic, E – Energise and inspire, A – Align across the enterprise, D – Develop others.

For an individual contributor, they will lead collaborative assignments and guide team members through structured assignments, identify the need for the inclusion of other areas of specialisation to complete assignments, identify new directions for assignments or projects, and identify a combination of cross‑functional methodologies or practices to meet required outcomes. Consult on complex issues; provide advice to People Leaders to support the resolution of escalated issues, identify ways to mitigate risk and develop new policies or procedures in support of the control and governance agenda, take ownership for managing risk and strengthening controls in relation to the work done, perform work closely related to that of other areas, collaborate with other areas, engage in complex analysis of data from multiple sources, solve problems creatively and effectively, communicate complex information, and influence or convince stakeholders to achieve outcomes.

• Manage and support batch processing, scheduling, and system changes across multiple platforms in the IBM mainframe environment.
• Work closely with cross‑functional teams to deliver reliable services, troubleshoot incidents, and drive improvements across the mainframe ecosystem.
• Maintain stability, performance, and continuous improvement of the IBM mainframe environment.
• Use JCL creation and TWS scheduling, work with code‑management systems such as Endevor, and manage Incident, Problem Record, and Release/Change Management processes.
• Apply JCL management tools such as JCLPREP and JCLCheck where needed.

• Experience with IBM Mainframes, JCL creation, and TWS scheduling.
• Experience with code‑management systems such as Endevor.
• Experience with Incident, Problem Record, and Release/Change Management processes.
• Proven use of JCL management tools such as JCLPREP and JCLCheck.
• Proven understanding of mainframe infrastructure and knowledge of Barclays applications.

Knutsford.