Network Engineer
Join an independent, not‑for‑profit organisation that resolves disputes between consumers, small businesses and financial service providers. The Infrastructure department provides a cloud‑first foundation for all IT and communication services. As a Network Engineer you will maintain stability and performance of modern enterprise infrastructure and systems.
Responsibilities
* Take ownership of specific network systems and services, ensuring they are maintained throughout their lifecycle and meet defined availability, performance, security and supportability standards.
* Ensure smooth operation of services while adhering to agreed SLAs, taking accountability for escalated technical issues and delivering sustainable, well‑understood resolutions.
* Act as a strong communicator, building effective relationships with stakeholders across technical and non‑technical teams to understand requirements, expectations and areas for improvement.
* Work closely with project managers, stakeholders and delivery teams to understand both business and technical requirements, contributing to the successful delivery of network solutions.
* Take ownership of technical delivery activities, ensuring solutions are implemented in a stable, scalable and supportable manner aligned to organisational standards.
* Contribute to network design activity, working alongside the architecture team to provide input, feedback and practical implementation considerations.
* Drive continuous improvement by identifying and implementing changes where services do not meet expected standards, or where opportunities exist to enhance performance, resilience, security or efficiency.
* Proactively identify, assess and remediate security vulnerabilities across the network estate.
* Provide technical expertise and guidance, influencing decisions on improvements, standards and future direction of services and technologies.
* Maintain high‑quality design, implementation and operational documentation to support ongoing service stability and knowledge sharing.
Qualifications
Minimum criteria – Experienced network engineer level with evidence of independent ownership of network systems, implementation, operational support and service improvements.
* Experience supporting enterprise‑scale network environments of similar complexity, covering both operational and delivery responsibilities.
* Demonstrable experience of owning technical outcomes, leading delivery across project and service lifecycles, managing implementation activities, resolving complex issues and driving improvements to live services.
* Experience working across a broad range of network technologies and services, with the ability to adapt and take ownership of multiple disciplines.
* Proven experience working within a technical team, contributing to day‑to‑day operations and change delivery, and managing competing priorities within structured service and change management processes.
* Strong experience in a stakeholder‑facing environment, communicating clearly with both technical and non‑technical stakeholders.
Technical Minimum Criteria
* Hands‑on experience with Cisco networking technologies (routing, switches, Nexus, Catalyst, SD‑WAN, wireless, remote access such as Cisco Secure Client/AnyConnect and ASAv).
* Experience with enterprise cloud networking, ideally within Microsoft Azure IaaS; equivalent experience with other major providers is acceptable.
* Solid understanding and practical experience of IP routing protocols and data centre network architectures, including OSPF, MP‑BGP, VXLAN, EVPN, and modern fabric technologies.
* Experience supporting network security technologies, including firewalls and network access control solutions (e.g. CiscoISE).
* Experience managing core network services (DNS, NTP, DHCP) as part of maintaining a stable and reliable network environment.
* Experience with or strong interest in automation and Infrastructure as Code (e.g. Terraform, Bicep, ARM).
Benefits
* 25 days holiday entitlement, with option to buy or sell days.
* Generous pension.
* Family‑friendly policies, including enhanced maternity pay, carers and dependants leave.
* Employer‑provided benefits: private medical insurance, virtual GP, critical illness cover, life assurance cover.
* Choice of voluntary benefits including technology scheme, cycle‑to‑work scheme, will‑writing service, gym membership discounts.
* Fully equipped on‑site gym open 24/7 in London only.
Equal Opportunity Employer
The Financial Ombudsman Service is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all team members. We welcome applications from under‑represented groups across all communities. The organisation is a Disability Confident Leader and will progress disabled applicants who meet the minimum criteria to the next stage of the process. Reasonable adjustments may be provided upon request.
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