Senior Site Reliability Engineer with Java exp - Only W2

**Role: Senior Site Reliability Engineer with Java exp

Location: O'Fallon, MO (Hybrid - 2 days a week onsite)

Job Type: W2 Contract** NOTE: Client is looking for pure SRE candidates, not a Devops Engineer Experience level: Senior Platform Reliability & Engineering Ensure availability, performance, and resilience of workloads deployed on Kubernetes, on-premises, PCF or Cloud platforms aligned to SLO/SLI objectives

Design, build, and operate scalable, secure, and highly available containerised platforms and services

Optimize capacity, performance, and cost efficiency across distributed systems

Automation, CI/CD & Release Engineering Build and enhance CI/CD pipelines to enable fast, reliable, and repeatable deployments

Automate infrastructure and operations using Infrastructure as Code and GitOps practices

Plan and execute software releases across environments (Kubernetes, AWS, Azure, PCF, VMs)

Drive continuous improvement in release processes, deployment strategies, and development workflows

Observability, Performance & Operations

Implement strong monitoring, logging, and tracing to enable proactive issue detection

Conduct performance testing and tuning to ensure scalability and reliability

Lead incident management, root cause analysis (RCA), and postmortems to drive continuous improvement

Required Experience & Skills Strong experience in SRE / Release Engineering / Platform Engineering roles Proven experience managing and operating workloads deployed on Kubernetes, on-premise (bare metal / VMs), and PCF, with good-to-have exposure to public cloud platforms (AWS)

Hands-on expertise in containerization (Docker) and Kubernetes orchestration

Strong experience with CI/CD tools, scripting (Shell/Python/Groovy), and automation frameworks

Solid knowledge of monitoring, observability, performance testing, and scaling of distributed systems (e.g., Dynatrace, Splunk, JMeter, LoadRunner)

Strong programming experience (preferably Java / Spring Boot)

Engineering Practices Strong understanding of SDLC, Git-based workflows (Gitflow), and peer review practices

Expertise in troubleshooting and debugging (thread dumps, heap dumps, performance bottlenecks)

Familiarity with security principles and deployment of secure systems

Exposure to Infrastructure as Code, DevOps, and GitOps practices