Open Fibre Networks (OFNL), part of the BUUK Group is looking for a 3rd Line Senior Core Network Engineer who would like to help us reach our mission to "earn customer loyalty and drive business growth by providing consistently excellent service". OFNL is continuously growing both their network and customer base, and this is a new role to the business to assist with their continued expansion. This role is hybrid and based in our offices in central Cardiff. As the 3rd Line Senior Core Network Engineer your key responsibilities are

• Hands-on, senior-level engineering position focused on maintaining, troubleshooting, and developing our MPLS/OSPF-based core IP network
• Manage, operate and develop OFNL network environment, working to achieve 99.9% service availability, whilst always providing a high level of customer service
• Responding to outages and major incidents, providing 3rd line support and analysing root cause
• Perform necessary change management, whilst minimising customer impact
• Maintain and upgrade the Core network, working with both internal and external stakeholders to maintain network operations
• Act as a senior technical mentor within the team, supporting upskilling and training, whilst also being point of escalation for the team
• Be part of escalation on-call rota to ensure 24/7 coverage, which will include planned and unplanned maintenance to the network, At least the cost of living pay increase every year
• Company pension contributions up to 10% if employees contribute 5%
• 33 days holiday including bank holidays with the ability to purchase an additional 2 weeks
• Enhanced maternity, paternity and adoption pay
• To say thank you, each time you successfully refer someone you will receive a referral payment of £1000 (net of tax)
• Hybrid working for eligible roles
• Development opportunities to reach your career aspirations
  
  Extensive experience in telecoms/network operations with a strong focus on service provider networks
• Nokia NRS II Certification or equivalent, Juniper/Cisco is desirable
• In-depth knowledge of MPLS, OSPF, BGP, VRFs, L2/L3 VPNs, QoS, and high-availability architecture
• Strong troubleshooting and diagnostic skills in large-scale, multi-vendor environments
• Familiarity with network monitoring (SNMP, NetFlow, etc.) and configuration management tools
• Clear communication, documentation, and leadership skills
• Knowledge of access control models and network security
• Can work well under pressure, whilst maintaining a high attention to detail
• Proactive team player, willing to contribute to other activities according to demand
The interview is carried out over 2 stages, both via Microsoft Teams and in person at our Cardiff office. There will be both written and verbal assessments, alongside a small presentation to showcase your technical knowledge. If you require or need any reasonable adjustments to be made to enable you to take part in / attend the interview or interview process, please do not hesitate to let us know how we can best support you.

At BUUK Infrastructure, our vision is to be the leading utility partner to accelerate the UK towards net zero for all our customers. Our group of companies has been the major drive for change and innovation over 30 years. We provide a supportive environment that is committed to enabling our people to be the best - ensuring they feel proud to be themselves and part of BUUK Infrastructure., The Company has experienced unprecedented growth over the past few years. We have a vast number of employees, and provide support to clients from all over the country. Recently, the company has won multiple workplace environment awards and has an outstanding record of employee satisfaction., The BUUK Group operates with preferred suppliers for recruitment agencies which are reviewed periodically. We do not accept unsolicited speculative CVs from recruitment agencies. Receipt of unsolicited CVs does not imply an introduction to the BUUK Group; therefore, no ownership of such candidates will be given. If recruitment agencies submit unsolicited speculative CVs, we retain the right to contact, pursue and hire these candidates directly and consider them for current or future vacancies without any financial obligation to the recruitment agency in question. This will also apply to any CVs sent directly to line managers. Should you wish to be considered as a preferred supplier, please email to enquire. All terms will only be agreed by the Resourcing Team at BUUK. Our group Our group of companies designs, constructs, owns, and operates utility infrastructure networks throughout England, Wales and Scotland. We are the only partner to the new-build sector delivering infrastructure for all utilities - from gas, electricity, water and wastewater to future-proof fibre and heat networks. What's the best thing about BUUK? We asked our people. From the supportive culture and opportunities to grow, to the great friends and chocolate brownies, our people tell us what they love most about working at BUUK. We all matter. Find out about our supportive culture. Hear how our shared sense of mutual respect and belonging underpins our culture and supports us all. Vision, Mission and Values Our vision, mission, and values are the foundations and the future of BUUK. They are what we stand for, how we live and work, where we are going and how we'll get there. They connect, guide and unite us all, underpinning and strengthening our commitment to be our best and do our best for our customers, stakeholders, the environment, communities - and for one another. BUUK infographic: The vision, the mission and our values. These are 'Be balanced, be fair', 'Be better every day', 'Be environmentally accountable', 'Be a customer champion', 'Be safe, be well' and 'Be trusted'. "> BUUK Infrastructure

Benefit 1 Benefit 2 Benefit 3 Benefit 4 The Values
• Innovation
We are creative and fearless in our work.
• Accountability
We take ownership of our work and lead from the front.
• Teamwork