Neos Networks offers alternative working arrangements that give employees some flexibility, including office, home and hybrid working.
Network Engineer (Tier-3)
Base Location: Perth, Glasgow, Reading or Portsmouth (Hybrid: 2–3 days per week onsite)
Salary: £45k-£60k depending on experience + performance-based bonus + a comprehensive benefits package to support your family, finances, and wellbeing
Working Pattern: Permanent | Full-Time |
We're seeking a Tier-3 Network Engineer to join our Operational Networking team. You’ll play a key role in supporting and maintaining our mission-critical UK-wide data network, delivering robust services to commercial telecoms customers.
What You’ll Be Doing
Maintain and monitor national networks covering Layer 2 switching, Layer 3 routing, SD-WAN, wireless, and firewall services.
Provide day-to-day support and troubleshooting for both LAN and WAN infrastructure.
Deliver Tier-3 technical support to the Neos NOC and customers, resolving complex issues.
Collaborate with Network Architects on network design and optimisation projects.
Work with Project Management teams on network builds and deployments.
Participate in an on-call support rota (after an initial onboarding period).
What You’ll Need
Essential Experience:
Strong hands-on experience with Cisco IOS, IOS-XE, and Nexus hardware (routers/switches).
Solid understanding of Layer 2 (Ethernet, VLANs, Spanning Tree).
Proven skills in Layer 3 (OSPF, BGP, subnetting, ACLs, VRFs).
Excellent communication and customer-facing abilities.
Capable of working independently as well as part of a close-knit team.
Desirable (but not required):
Exposure to Juniper platforms: QFX10k, QFX5k with VXLAN.
Cisco Wireless (WLC, Prime, Meraki).
Firewalls: Checkpoint, ASA, Juniper SRX.
SD-WAN solutions: Silver Peak troubleshooting.
Certifications: CCNP, CCSA.
Who We're Looking For
You’ll be ambitious, technically curious, and ready to grow your career in telecoms. We’re after team players who are proactive, self-motivated, and flexible, with the ability to manage priorities effectively.
Please note: This role requires a minimum of two days per week working from one of our offices
Next StepsReady to take the next step in your network engineering career? Apply online today. Once the vacancy closes, we’ll be in touch with the outcome. For any questions or additional support, please contact [email protected].
Similar Jobs
What We Do
We’re Neos Networks, a leading B2B telecoms provider with Britain’s biggest business-dedicated network. Our high capacity fibre network is transforming connectivity for Critical National Infrastructure and businesses across the UK
From telecoms, energy and emergency services to media and banking, we supercharge organisations with high-capacity, low-latency networks – making connectivity work for you. Our goal is to provide connectivity for the future, enabling businesses nationwide to meet the growing demands of AI, 5G, and IoT.
We empower you to deliver your digital-first vision. We enable you to grow in an increasingly data-hungry world, connecting your business for the future.
