Site Reliability & Network Systems Administrator

Site Reliability & Network Systems Administrator

Location: Leamington Spa - hybrid

Salary: c£50k

Join one of the industry's most innovative web platform organisations.

We are working exclusively with an award-winning, market-leading SaaS platform business whose technology supports thousands of users every day. Following continued growth and significant investment, they're looking to appoint an experienced Site Reliability & Network Systems Administrator to take ownership of the reliability, performance and resilience of their infrastructure.

This is an opportunity to move beyond traditional IT support into a role where you will have genuine influence over the architecture, scalability and availability of a modern cloud-based platform.

The Role

You will be responsible for maintaining and evolving the organisation's cloud infrastructure, networking and monitoring capabilities, ensuring customers enjoy an exceptional platform experience.

You will be involved in:

• Designing, implementing and administering Microsoft Azure environments
• Building scalable, resilient and secure cloud infrastructure
• Azure tenant setup, configuration and ongoing optimisation
• Managing networking, routing, firewalls, VPNs and connectivity
• Infrastructure monitoring, alerting and performance optimisation
• Implementing and managing web monitoring and observability platforms
• Incident response, root cause analysis and continual service improvement
• Capacity planning, disaster recovery and business continuity
• Supporting security best practice, patch management and infrastructure compliance
• Working closely with development teams to improve platform reliability and deployment processes
• Automating operational tasks wherever possible

What We Are Looking For

You will already have experience operating within cloud-first, high-availability environments and enjoy solving complex infrastructure challenges.

We are particularly interested in people with experience of:

• Microsoft Azure setup, implementation and administration
• Azure networking and virtual infrastructure
• Site Reliability Engineering (SRE) principles
• Infrastructure monitoring and alerting platforms
• Web monitoring and uptime management tools
• DNS, TCP/IP, VPNs, firewalls and enterprise networking
• Microsoft Entra ID (Azure AD)
• Windows Server and cloud infrastructure administration

Experience with any of the following would be highly beneficial:

• Cloudflare
• Application Performance Monitoring (APM) tools
• Security and vulnerability management
• SaaS or web platform environments

About You

You will be someone who:

• Enjoys taking ownership of infrastructure and platform reliability
• Has excellent troubleshooting and analytical skills
• Is proactive rather than reactive
• Communicates confidently with both technical and non-technical stakeholders
• Enjoys working within collaborative product and engineering teams
• Thrives in fast-moving, technology-led environments
• Has a continuous improvement mindset and enjoys introducing new ideas and technologies