Salary: £65,000 - 65,000 per year Requirements: Strong, current, hands-on Cisco network engineering experience at CCNP level in routing and switching, or demonstrable equivalent depth, with recent troubleshooting of complex incidents on live networks Proven experience supporting a 24/7 live managed customer solution, working with third parties and suppliers Confidence leading P1 situations in a calm, authoritative and decisive manner Ability to communicate credibly with senior customer stakeholders and handle difficult conversations while maintaining strong relationships Strong working knowledge of ITIL practices Ability to obtain and hold the required security clearances, including SC and NPPV Minimum of 5 consecutive years of UK residency or working history Responsibilities: Lead hands-on technical troubleshooting of complex incidents on live data networks, including routing and switching Own the technical health of the live service end to end, ensuring changes, incidents and improvements protect customer outcomes Lead P1 and major incidents to resolution, coordinating multiple teams and challenging delays or unclear ownership Assess complex in-life changes and represent the technical position confidently at change boards Act as the main technical point of contact, building trusted face-to-face relationships with the customer, suppliers and internal teams Actively manage the technical estate, identifying capacity limits, end-of-life risks and vulnerabilities Challenge current designs and propose improvements that increase performance and resilience Technologies: Aruba Cisco ITIL Network Security Cloud Support LAN More: We are one of the UKs most established communications and technology businesses, serving enterprise and public-sector customers with mission-critical networks and managed services. This is a deep, hands-on network engineering role based in Belfast, with hybrid working of 3 days on site and 2 days remote. We offer a 10% on-target annual bonus, a 10% company pension scheme, share saving schemes, 25 days annual leave plus bank holidays increasing with service, a wide range of flexible benefits, and world-class training and development opportunities in an environment that strongly supports career growth. We invest heavily in research and development and provide full training on Aruba and related technologies as needed. last updated 24 week of 2026