Oracle Site Reliability Engineer

Job Description Purpose of the role:

Apply software engineering techniques, automation, and best practices in incident response to ensure the reliability, availability, and scalability of the systems, platforms, and technologies.

• Maintain availability, performance, and scalability of systems and services through proactive monitoring, maintenance, and capacity planning.
• Resolve, analyze, and respond to system outages and disruptions, and implement measures to prevent similar incidents from recurring.
• Develop tools and scripts to automate operational processes, reducing manual workload and improving system resilience.
• Monitor and optimise system performance and resource usage, identify and address bottlenecks, and implement best practices for performance tuning.
• Collaborate with development teams to integrate reliability, scalability, and performance best practices into the software development lifecycle.
• Stay informed of industry technology trends and innovations and contribute to the organization’s technology communities.

• Advises and influences decision‑making, contributes to policy development, and takes responsibility for operational effectiveness.
• Collaborates closely with other functions and business divisions.
• Leads a team performing complex tasks, using professional knowledge and skills to deliver on business‑critical work.
• Sets objectives and coaches employees, appraises performance, and determines reward outcomes.
• Demonstrates the Barclays values of Respect, Integrity, Service, Excellence and Stewardship and the Barclays mindset of Empower, Challenge, and Drive.
• For an individual contributor, leads collaborative assignments, guides team members, identifies cross‑functional collaboration, and drives new directions for projects.
• Consults on complex issues, provides advice to People Leaders, mitigates risk, and develops new policies and procedures.
• Performs complex analysis of data from multiple sources to solve problems creatively and communicates complex information effectively to stakeholders.

• Experience with Oracle Database administration concepts and PL/SQL development.
• Ability to write, optimise, troubleshoot, and maintain multi‑layered SQL queries, stored procedures, packages, functions, and performance‑critical database code.
• Strong understanding of Oracle architecture, performance tuning, backup/recovery, and high‑availability solutions.
• Proficiency in Bash/Shell scripting and Python for automation, monitoring, operational tasks, and incident remediation.
• Experience developing automated solutions to improve reliability, reduce manual effort, and support operational excellence.
• Experience with Git/Bitbucket for version control and source code management.
• Practical knowledge of Jira for Agile delivery, change management, defect tracking, and sprint execution.
• Understanding of CI/CD values and deployment processes for database changes.
• Highly valued: experience with Ansible, enterprise monitoring and observability platforms (Oracle Enterprise Manager, Splunk, Elastic, Observe, Grafana, Prometheus), root‑cause evaluation, incident management, and production troubleshooting.
• Knowledge of Oracle RAC, Data Guard, Golden Gate, ASM, and disaster‑recovery architectures.
• Exposure to cloud platforms (OCI, AWS, Azure) and modern SRE practices such as reliability engineering, capacity planning, and service resilience.
• Assessment may focus on risk and controls, change and transformation, business acumen, strategic thinking, and technology digital proficiency.

Knutsford