Application Support Engineer

Key responsibilities

• Provide L2 production support for business-critical applications running on Azure and AKS.
• Perform incident investigation, troubleshooting, and service restoration activities.
• Analyse application, infrastructure, and Kubernetes logs to identify root causes and implement corrective actions.
• Troubleshoot issues related to AKS, application services, APIs, databases, networking, and integrations.
• Monitor production systems and proactively identify potential risks or service degradation.
• Investigate pod failures, deployment issues, performance bottlenecks, and service disruptions within AKS environments.
• Execute SQL queries and perform data validation to support troubleshooting activities.
• Collaborate with development, infrastructure, security, and vendor teams to resolve complex technical issues.
• Support application deployments, releases, and post-deployment validation activities.
• Participate in incident, problem, and change management processes following ITIL best practices.
• Develop and maintain support documentation, runbooks, and knowledge articles.
• Recommend and implement preventive measures to improve platform stability and reduce recurring incidents.

Role requirements

Mandatory Requirements

• Proven experience supporting applications hosted on Microsoft Azure.
• Hands-on experience working with Azure Kubernetes Service (AKS) in a production environment.
• Experience troubleshooting Kubernetes-related issues, including pods, deployments, services, networking, and application availability.
• Strong production support and incident management experience.
• Experience performing root cause analysis and driving issue resolution.
• Familiarity with application monitoring and observability tools such as Grafana, Prometheus, ELK, Azure Monitor, or similar.
• Experience supporting APIs, integrations, and distributed systems.
• Working knowledge of SQL and database troubleshooting.
• Understanding of cloud networking, security concepts, certificates, secrets, and access controls.
• Familiarity with ITIL Incident, Problem, and Change Management processes.
• Strong communication and stakeholder management skills.

Preferred Skills

• Experience with Docker and containerised applications.
• Exposure to CI/CD pipelines and deployment processes.
• Experience with GitOps tools such as ArgoCD.
• Experience with scripting languages such as PowerShell, Bash, or Python.
• Experience in high-availability or 24/7 production support environments.
• Azure and/or Kubernetes certifications would be highly advantageous.