Site Reliability Engineer - AWS

Spectrum IT; Greater London; Hybrid; GBP 85,000 - 120,000; Full time

Benefits offered by this job

Life Insurance

Private Medical Insurance

Bonus Scheme

Employee Assistance Programme

Hybrid Working - 3 Days from Home

GP Online Portal

Job summary

Spectrum IT in London seeks a Platform Engineer to own the production environment, boost reliability, and architect scalable solutions across cloud and on-prem environments.

You will work with Kubernetes clusters, Grafana/Loki/Mimir/Tempo observability tools, and CI/CD pipelines to deliver features with stability. Hybrid working (3 days from home) is offered along with a strong benefits package.

Qualifications

• Proficiency in at least one programming language (Python/Go/Java/C#).
• Strong scripting skills (Bash/PowerShell).
• Solid understanding of CI/CD principles and related tools.

Responsibilities

• Monitor and optimize production systems to ensure high availability and performance.
• Collaborate with developers to improve service quality through testing and structured releases.
• Lead platform operations and capacity planning for large-scale distributed applications.
• Design automated, scalable solutions to enhance reliability and delivery speed.
• Provide operational oversight and incident management with blameless postmortems.

Skills

Programming languages

Scripting

Tools

Kubernetes

Grafana

AWS

Jenkins/GitLab CI/CD

CloudFormation/Terraform

Ansible/Puppet/Chef

Docker

Observability tools

Job description

The company deliver cutting-edge enterprise software solutions across both cloud and on-premises environments, empowering organisations to enhance customer experiences, maintain regulatory compliance, and proactively fight fraud. The company are trusted by businesses worldwide to drive seamless, intelligent customer interactions.

In this role, you'll oversee the production environment by ensuring system availability and maintaining a comprehensive perspective on overall health. You'll develop tools and software to support and streamline the management of platform infrastructure and key applications. A major focus will be enhancing the dependability, performance, and delivery speed of our software products. You'll also be responsible for analysing and fine-tuning system performance to anticipate user demands and drive innovation. Additionally, you'll take the lead in providing operational support and technical oversight for several large-scale distributed applications.

How You'll Contribute:

• Monitor and interpret system and application metrics to fine-tune performance and troubleshoot issues effectively
• Collaborate closely with developers to enhance service quality through thorough testing and structured release practices
• Engage in architectural discussions, manage platform operations, and contribute to capacity forecasting
• Design and implement automated solutions to build resilient, scalable systems
• Maintain a strong focus on delivering new features while ensuring stability and adherence to service level goals

You’ll Stand Out If You Have:

• Practical experience managing large-scale Kubernetes clusters; certifications in Kubernetes are a strong bonus
• Hands-on familiarity with the Grafana Observability Suite, including tools like Loki, Mimir, and Tempo
• Background in administering or developing with popular monitoring and automation tools such as Splunk, Datadog, PagerDuty, or Rundeck
• Experience using configuration management platforms like Ansible, Puppet, or Chef
• Professional certifications in cloud DevOps, such as AWS Certified DevOps Engineer or Google Cloud Professional DevOps Engineer, or similar credentials

Do You Have What It Takes?

• Proficient in at least one programming language such as Python, Go, Java, or C#, along with scripting skills in Bash or PowerShell
• Solid grasp of cloud platforms like AWS, including an understanding of how core services like EC2, ECS, Lambda, and DynamoDB operate under reliability constraints
• Practical experience using infrastructure-as-code tools like CloudFormation or Terraform
• In-depth knowledge of CI/CD principles and hands‑on experience with tools such as Jenkins, GitLab CI/CD, or CircleCI
• Strong understanding of containerization (e.g., Docker, Kubernetes) and microservices architecture
• Skilled in using observability and monitoring tools such as Prometheus, Grafana, ELK stack, or AWS CloudWatch
• Excellent analytical and troubleshooting abilities, especially within complex distributed systems
• Proven experience handling incident management and conducting blameless postmortems, including leading cross‑functional teams through resolution and communication during critical outages

Benefits

• Life Insurance - 4 x Annual Salary
• Private Medical Insurance
• Bonus Scheme
• Employee Assistance Programme
• Hybrid Working - 3 Days from Home
• GP Online Assistance Portal.
• + Much More