IT Infrastructure Engineer

About

The Role Let’s grow together! A Platinum Investors in People employer and an award-winning UK bank, focused on growth. Our customers include savers and businesses across the UK and, working together, we use our specialist expertise to help them achieve their ambitions and build a sustainable future. If you’re an experienced IT Infrastructure Engineer looking for an opportunity to grow in a friendly environment, we’re looking for you!

We’re flexible, inclusive, committed to your wellbeing and passionate about you reaching your potential. Let’s grow together …The role is to provide resource to the Network team to support the Network environment. It is expected for the ideal candidate has some form of education or accreditation in network technologies and theories over the past 2 years. The Infrastructure Team are expected to respond in a timely manner to support tickets, queries or fault reports and to support projects.

The infrastructure team are responsible for the Network Infrastructure and Network Security within the Bank, ensuring that all related systems operate reliably and as expected. This requires a broader-than-normal understanding of traffic flows between locations, as well as within and beyond the organisation’s boundaries. The role also demands prior experience with enterprise networking and security platforms, wireless and access control solutions, centralised network management capabilities, cloud-based networking environments, and the use of automation to improve consistency, resilience, and operational efficiency.

As well as this being part of the Infrastructure Team, individuals are required to understand the inner workings of an IT department, understand what function the different teams provide across IT, which will allow them to effectively triage tickets and queries.

What you’ll be doing Monitor, manage, and optimise enterprise network environments to ensure high availability, performance, scalability, and security across LAN, WAN, Network Security, Cloud and Hybrid infrastructures. Design and deliver complex end-to-end network solutions, including routing, switching, network security, and cloud connectivity, working both independently and collaboratively to meet business and technical requirements. Effectively balance BAU operational support with continuous improvement initiatives and project delivery, ensuring stability while driving modernisation and efficiency across the network estate.

Act as a key escalation point for complex network incidents and major outages, taking ownership through to resolution, driving structured troubleshooting, deep root cause analysis (RCA), and implementing preventative measures to minimise recurrence. Provide technical guidance, and mentorship to peers, promoting best practice, upskilling, and knowledge sharing to contribute to supporting a high-performing and resilient team. About You What you’ll bring to the team Expert-level knowledge of network and infrastructure technologies, including enterprise routing and switching, network Security and hybrid cloud networking.

A proactive, analytical problem-solving mindset, with the ability to diagnose and resolve complex network and infrastructure issues in fast-paced, high-availability environments. Act as the key escalation point for infrastructure incidents and problems, taking proactive ownership of issues as and when required, restoring service quickly, driving robust root-cause analysis, and ensuring clear communication to stakeholders to prevent recurrence. Drive successful delivery of continual improvement initiatives and projects through technical expertise, structured execution, and strong stakeholder management.

Demonstrate expertise in designing, implementing, and supporting Cisco networking solutions. Advanced firewall expertise, delivering senior-level network engineering design, implementation, and support. Hands-on experience in cloud networking, delivering scalable and secure solutions. Commitment to continuous learning, staying current with evolving networking technologies (e.g. SD-WAN, Zero Trust, cloud networking) and applying innovation to improve performance,…