Service Engineer

Salary: £61,000 - 101,000 per year

Requirements:

• Strong AWS knowledge from an application support and operational support perspective, including troubleshooting cloud-based applications and services
• Experience working with MS SQL, including query analysis, troubleshooting, and supporting database-driven applications
• Strong Unix/Linux administration and troubleshooting skills within production environments
• Experience supporting APIs and understanding application integration concepts
• Exposure to CI/CD processes and tools such as GitLab pipelines, with an understanding of release and deployment practices
• Experience using monitoring and automation tools such as Kibana, AppDynamics, and other observability platforms to support service performance and operational excellence
• In-depth technical knowledge and experience in the assigned area of expertise
• Thorough understanding of the underlying principles and concepts within the area of expertise

Responsibilities:

• Monitor and support business-critical applications
• Investigate and resolve production incidents in line with ITIL processes
• Work with engineering teams to improve application reliability, performance, and operational resilience
• Leverage monitoring and observability tools to proactively identify issues and minimise service disruption
• Effectively monitor and maintain critical technology infrastructure and resolve more complex technical issues while minimising disruption to operations
• Provide technical support for the service management function to resolve more complex issues for a specific client or group of clients
• Develop the support model and service offering to improve service to customers and stakeholders
• Execute preventative maintenance tasks on hardware and software
• Use monitoring tools and metrics to identify, prevent, and address potential issues and ensure optimal performance
• Maintain a knowledge base containing detailed documentation of resolved cases for future reference, self-service opportunities, and knowledge sharing
• Analyse system logs, error messages, and user reports to identify root causes of hardware, software, and network issues
• Resolve issues by fixing or replacing faulty hardware components, reinstalling software, or applying configuration changes
• Support automation, monitoring enhancements, capacity management, resiliency, business continuity management, front office support, and stakeholder management
• Identify and remediate, or raise through appropriate process, potential service-impacting risks and issues
• Proactively assess support activities and implement automations where appropriate to maintain stability and drive efficiency
• Tune monitoring tools, thresholds, and alerting to ensure issues are known when they occur
• Deliver work in line with relevant rules, regulations, and codes of conduct
• Take ownership for managing risk and strengthening controls in relation to the work owned or contributed to

Technologies:

• AWS
• CI/CD
• Cloud
• GitLab
• Hardware
• Support
• ITIL
• Kibana
• Linux
• Network
• SQL
• Unix

More:

hackajob is partnering directly with Barclays to hire for this role. The role is based in Knutsford. We are looking for an Application Support Engineer to help us ensure the stability, availability, and performance of critical business applications and technology infrastructure. We value Respect, Integrity, Service, Excellence, and Stewardship, and we expect colleagues to demonstrate the Barclays Mindset to Empower, Challenge, and Drive.

last updated 39 week of 2026