3rd Line Build & Support Engineer

About Weetabix

At Weetabix, we believe that diverse teams drive better ideas, stronger decisions, and a more inclusive workplace for everyone. We’re committed to building an organisation where people from all walks of life feel they belong—where different voices, experiences, and backgrounds are valued and respected.

Closing Date

28th July

Interview Process

TEAMS followed by Face to Face at our site in Burton Latimer.

Working Pattern

You’ll spend three days a week in the office, creating great opportunities to collaborate, strengthen team connections and build high‑impact working relationships face to face.

Recruitment Support

We’re happy to make reasonable adjustments throughout the recruitment process. Just let us know how we can support you.

About the Role

As a 3rd Line Build and Support Engineer, you will deliver advanced technical support, resolve complex incidents, and head the build and deployment of secure, reliable Information Technology (IT) systems. Acting as the escalation point for Second Line Technicians, you will provide in‑depth troubleshooting, proactive system monitoring, performance optimisation, and ensure environments are fully prepared and resilient.

You will play a key role in maintaining stability while continuously improving system performance, ensuring the organisation can operate efficiently and securely at scale.

Over the next three to five years, you will be central to advocating the adoption of advanced technologies, modernising infrastructure, and strengthening cyber resilience. Your work will help enable scalable, future‑ready Information Technology capabilities that support business growth and operational excellence.

Responsibilities

• Act as the main escalation point for complex technical incidents, delivering advanced diagnosis across servers, networks, cloud platforms, applications and end-user environments
• Monitor, maintain and optimise systems to ensure stability, performance and security, including patching, backup management, antivirus and proactive health checks
• Troubleshoot and manage a broad technology estate, including physical and virtual servers, cloud platforms (such as Microsoft Azure and Amazon Web Services), identity and access management, endpoint management tools, networking, backup and disaster recovery, and security tooling
• Carry out root cause research to resolve underlying issues and implement long-term fixes that reduce repeat incidents
• Ensure all activity follows Information Technology Infrastructure Library (ITIL) processes, advocating a compliant and well-governed environment
• Own service transition activities, ensuring new and updated services are secure, valid and effectively handed into business-as-usual assistance
• Work with third-party providers to resolve specialist issues and maintain service continuity
• Maintain clear, accurate and up-to-date documentation for infrastructure, configurations and assistant processes
• Deliver infrastructure projects, including system migrations, upgrades, integrations and new service deployments
• Build, configure and deploy servers, cloud services, end-user devices, network components and system upgrades, maintaining standard builds, golden images and secure configuration baselines
• Own infrastructure modernisation through the adoption of cloud technologies, automation and improved tooling
• Strengthen resilience through proactive monitoring, capacity planning and robust backup and recovery processes
• Contribute to infrastructure strategy, ensuring systems scale effectively to help business growth and evolving digital needs
• Identify and deliver continuous improvement opportunities to streamline processes, reduce recurring issues and enhance system performance
• Enhance cybersecurity by maintaining strong patching, endpoint protection, secure configurations and system hardening practices