Oracle Site Reliability Engineer

Company: Barclays
Apply for the Oracle Site Reliability Engineer
Location: Knutsford
Job Description:

Overview

In this role you ensure the reliability, availability, and scalability of critical systems through automation, incident response, and best practices. You work with cross-functional teams to embed reliability and performance into software delivery, proactively monitor resources, and respond to outages with root-cause analysis. You contribute to a culture of technical excellence by staying current with industry trends and driving operational efficiency. This role offers impact at scale and a clear focus on resilience and service continuity.

Responsibilities

  • Ensure availability, performance, and scalability of systems through proactive monitoring, maintenance, and capacity planning
  • Respond to outages with analysis and prevention measures to avoid recurrence
  • Develop automation tools and scripts to reduce manual work and improve resilience
  • Monitor and optimize system performance and resource usage, addressing bottlenecks
  • Collaborate with development teams to embed reliability, scalability, and performance into SDLC
  • Stay informed on technology trends and contribute to technical communities
  • Operate within Barclays values and leadership expectations (when applicable)
  • Support incident management and production troubleshooting as part of SRE practices

Key requirements

  • Oracle Database administration concepts and PL/SQL development
  • Ability to write, optimize, and troubleshoot multi-layer SQL queries and performance-critical code
  • Understanding of Oracle architecture, performance tuning, backup/recovery, and high availability (HA) solutions
  • Bash/Shell scripting and Python for automation and operational tasks
  • Experience developing automated solutions to improve reliability and reduce manual effort
  • Git/Bitbucket for version control
  • Jira for Agile delivery, change management, and defect tracking
  • CI/CD for database changes
  • Exposure to cloud platforms (OCI, AWS, Azure) and modern SRE practices
  • collaboration with cross-functional teams
  • clear communication of complex information
  • problem-solving and analytical thinking
  • Bash/Shell scripting
  • Python
  • Oracle Database administration and PL/SQL

Posted: September 14th, 2026