Site Reliability Engineer

Willis Towers Watson; Cambridge; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

A global consulting firm in Cambridge seeks a Site Reliability Engineer to ensure the reliability and performance of client-facing services. Responsibilities include managing observability platforms like Datadog and leading incident responses. Candidates should have hands-on experience with cloud services, particularly Azure, and strong problem-solving skills. This role offers a flexible and hybrid work model, plus a comprehensive benefits package to enhance both professional and personal wellbeing.

Benefits

25 days annual leave plus WTW day

Comprehensive health and wellbeing package

Defined contribution pension scheme

Volunteer day

Electric vehicle car scheme

Cycle-to-work programme

Qualifications

• Solid hands-on experience as a Site Reliability Engineer or in a similar role.
• Familiarity with managing cloud-based services, ideally Azure.
• Knowledge of automation, scripting, and Infrastructure as Code.

Responsibilities

• Ensure reliability, availability, and performance of client-facing services.
• Maintain and configure observability platforms.
• Lead incident response and troubleshooting.

Skills

Cloud-based services management

Observability tools (Datadog)

Automation and scripting (Python, PowerShell)

Infrastructure as Code (Terraform, Pulumi)

Azure DevOps Pipelines

Customer-focused problem solving

Interpersonal and communication skills

Tools

Datadog

Azure

Docker

Kubernetes

Job description

Description

Join Insurance Consulting and Technology (ICT) during a transformative period aimed at enhancing customer and business value. You'll be part of a high-performing team renowned for quality delivery, rapid development, and team spirit. We have won the InsuranceERM Best use of Cloud Technology award three years in a row. Igloo is embarking on new and exciting uses of their technology. This role will have the opportunity to help the team and product deal with exciting, complex and large-scale client propositions where observability will be essential and help transform how the product is designed and deployed.

You will join a cross-team guild of Site Reliability Engineers, which enables you to not only influence direction within your product family, but to also help shape how we handle observability and monitoring across ICT. This role is open to flexible and hybrid working arrangements, with presence in the Cambridge office a minimum of two days per week.

The Role

• Collaborate with cross-functional teams to ensure the reliability, availability, and performance of our client-facing services
• Maintain and configure observability platforms such as Datadog
• Proactive monitoring of production and other environments to ensure stability, availability, security and integrity
• Design and implement automation and processes to improve the efficiency and effectiveness of the teams and other support functions
• Engage with business stakeholders to gather requirements, address concerns, and provide updates on projects and system status
• Contribute to the design, build and operational management of the services
• Lead incident response, troubleshooting, and root cause analysis to mitigate and prevent future issues
• Work closely with engineering, support and operations teams to upskill and promote knowledge transfer, producing training materials and articles
• Participate in on‑call rotation to provide support and ensure system uptime

Qualifications

What you’ll bring

• Solid hands‑on experience as a Site Reliability Engineer or in a similar role (such as DevOps)
• Familiarity with managing cloud‑based services (ideally Azure), including observability, monitoring, scaling, and security
• Hands‑on use of observability tools such as Datadog (or similar)
• Knowledge of automation, scripting (Python or PowerShell), and Infrastructure as Code (e.g., Terraform, Pulumi, ARM Templates, or Bicep)
• Experience with Azure DevOps Pipelines (or similar)
• Strong interpersonal, verbal, and written communication skills
• Ability to coach, mentor, and share knowledge with others
• Experience collaborating with external clients and cross‑functional teams
• Customer‑focused, with strong problem‑solving skills

Other highly desirable, but not essential skills are:

• Azure certifications, such as Azure Administrator, Azure Developer, or Azure DevOps Engineer
• Experience with containerization and orchestration (Docker, Kubernetes)
• Familiarity with programming languages such as C#
• Knowledge of Configuration as Code tools (e.g., Puppet, Ansible)

What we offer

Enjoy a benefits package designed to help you thrive, both professionally and personally. You'll receive 25 days of annual leave plus an extra WTW day to relax and recharge. Our comprehensive health and wellbeing offering includes private healthcare, life insurance, group income protection, and regular health assessments, all giving you peace of mind. Secure your future with our defined contribution pension scheme, featuring matched contributions up to 10% from the company.

We support your growth and balance with hybrid working options, access to an employee assistance programme, and a fully paid volunteer day to make a difference in your community. On top of these, you can opt into a variety of additional perks including an electric vehicle car scheme, share scheme, cycle‑to‑work programme, dental and optical cover, critical illness protection, and much more. Start making the most of your career and wellbeing with a range of benefits tailored for you.

Equal Opportunity Employer

We’re committed to equal employment opportunity and provide application, interview and workplace adjustments and accommodations to all applicants. If you foresee any barriers, from the application process through to joining WTW, please email [e-mail]