Site Reliability Engineer

JR United Kingdom; Milton Keynes; On-site; GBP 60,000 - 85,000; Full time

Job summary

A leading PaaS company in Milton Keynes is seeking a Site Reliability Engineer to enhance the reliability of critical infrastructure and applications. This role involves designing high availability systems, optimizing CI/CD pipelines, and collaborating across teams to deliver exceptional user experiences. Candidates should have extensive AWS knowledge and over seven years of relevant experience.

Qualifications

• 7+ years of experience in Site Reliability Engineering or related roles.
• Deep understanding of AWS and its various modules.
• Experience with monitoring and observability tools.

Responsibilities

• Design and support EC2/ECS/Fargate environments for high availability.
• Collaborate with DevOps teams to optimize deployment processes.
• Implement and manage monitoring tools to proactively detect and resolve system issues.

Skills

AWS (Amazon Web Services)

Linux administration

CI/CD

Scripting (Ansible, Bash, Python, Go)

Monitoring tools

Education

Bachelor's or higher degree in Computer Science, Information Systems, or related field

Job description

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Site Reliability Engineer, Milton Keynes

Client: Ranger Technical Resources

Location: Milton Keynes

Job Category: Other

EU work permit required: Yes

Job Views: 2

Posted: 31.05.2025

Expiry Date: 15.07.2025

Job Description:

Site Reliability Engineer #2494

Position Summary:

Our partner, an innovative PaaS company specializing in remote monitoring and network management solutions, is looking for a Site Reliability Engineer to help ensure the reliability, scalability, and performance of critical infrastructure and applications. You will build and maintain highly available systems, support and optimize CI/CD pipelines, and determine optimal solutions for the company’s products. Collaboration with development, DevOps, and other teams is essential to maintain high uptime, security, and user experience for millions of endpoints.

Experience and Education:

• Bachelor's or higher degree in Computer Science, Information Systems, Information Technology, or a related technical field/experience.
• 7+ years of experience in Site Reliability Engineering, DevOps, Infrastructure, or related roles.
• Deep understanding of AWS and its various modules and services.
• Strong background in Linux administration and troubleshooting.
• Experience in implementing and managing CI/CD pipelines and Infrastructure as Code (IaC) solutions.
• Experience with monitoring and observability tools to proactively manage system health.

Skills and Strengths:

• AWS (Amazon Web Services)
• Auto Scaling
• Fargate
• Route53
• Observability tools (New Relic, DataDog, Splunk)
• Scripting (Ansible, Bash, Python, Go)
• CI/CD

Primary Job Responsibilities:

• Design and support EC2/ECS/EKS/Fargate environments for high availability and fault tolerance.
• Implement advanced AWS features (Route53, ALB/NLB, multi-region setups) to ensure global reliability.
• Maintain and optimize existing CI/CD pipelines and deployment processes to streamline software delivery and reduce risks.
• Collaborate with Development, QA, and DevOps teams to integrate best practices into build and release processes.
• Implement, manage, and enhance monitoring tools to proactively detect and resolve system issues.
• Administer and optimize Linux-based servers and applications for stability, performance, and security.
• Implement and manage containerization solutions to improve scalability and efficiency.
• Apply security best practices across AWS environments, ensuring compliance and safeguarding infrastructure.
• Develop automated incident response mechanisms and self-healing solutions to minimize downtime.
• Diagnose and resolve infrastructure, networking, and application performance issues.
• Design and maintain robust backups, failover, and disaster recovery solutions to ensure business continuity.
• Identify and resolve infrastructure or application performance bottlenecks.
• Create real-time monitoring dashboards and alerting systems for system health and performance tracking.
• Work with development teams to optimize infrastructure for cost efficiency and high performance.