Mainframe DBSystem Specialist

Join Barclays as a Mainframe DB2 System Specialist
, where you’ll install, configure, and maintain the IBM DB2 system to ensure strong performance and reliability. You’ll play a key role in enhancing the Mainframe Automation environment, streamlining manual processes through automation to reduce risk and increase efficiency. We’re seeking candidates with hands‑on mainframe installation experience, ideally involving IBM DB2 system tools or similar mainframe technologies.

To be successful in this role, you will need the following:

• Proven experience in the installation, maintenance, and upgrade of IBM DB2 and related tools (e.g., DB2 CA, DB2 Connect, Data Studio, etc.).
• Strong working knowledge of mainframe operating system tools, including TSO, JCL, REXX, SQL, and others.
• Several years of hands‑on experience as a DB2 Systems Programmer.
• Solid understanding of system performance, optimisation, and monitoring techniques.

• Experience with Dev Ops tooling, such as VS Code, Db2 Developer Extensions, and similar technologies.
• Knowledge of z/OSMF.
• Familiarity with Broadcom and IBM Db2 tools.
• Understanding of Db2 internals and RACF security.

You may be assessed on the key critical skills relevant for success in role, such as risk and controls, change and transformation, business acumen, strategic thinking and digital and technology, as well as job‑specific technical skills.

The successful candidate can be based in Knutsford (Radbroke Hall) or Glasgow Campus
.

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.

• Advise and influence decision making, contribute to policy development and take responsibility for operational effectiveness. Collaborate closely with other functions/business divisions.
• 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 and/or projects, identifying a combination of cross‑functional methodologies or practices to meet required outcomes.
• Consult on complex issues; providing advice to People Leaders to support the resolution of escalated issues.
• Identify ways to mitigate risk and developing new policies/procedures…