AWS DevOps Platform Engineer

We have an urgent contract opportunity for a hands-on AWS DevOps Platform Engineer to support a live, business-critical platform running in AWS. Role Overview This role focuses on runtime reliability, monitoring, alerting, system behaviour under load, and ongoing platform optimisation. You will be working in a live production environment, ensuring a complex platform runs reliably and efficiently. Note: Active SC Clearance required Key ResponsibilitiesAWS Platform Engineering Optimise AWS infrastructure for a live multi-tier application Improve instance sizing, workload placement, and load distribution Work across EC2, networking, DNS, and load balancing Monitoring, Alerting andamp; Observability Strengthen monitoring and alerting using CloudWatch Ensure alerts are meaningful and actionable Improve visibility of system health and performance Performance andamp; Reliability Analyse system behaviour under load Identify bottlenecks across infrastructure and dependencies Implement practical improvements to enhance reliability Incident andamp; Operational Support Support incident recovery and analysis Work effectively in high-pressure production environments Improve platform resilience and stability Skills andamp; Experience Essential Strong AWS experience (EC2, ALB/NLB, VPC, DNS) Proven production support experience Monitoring and alerting expertise Strong troubleshooting and problem-solving skills Active SC clearance Desirable Tomcat/JVM experience LDAP or enterprise ..... full job details .....