Base location: Perth, Glasgow or Havant (Hybrid: 2-3 days per week onsite)
Salary: £45,000 - £60,000 a year depending on experience + performance related bonus + a range of other benefits to support your family, finances, and wellbeing.
Working Pattern: Permanent Full time.
Vetting/Clearance Level: To support Critical National Infrastructure, you may be required to complete a Security Check (SC clearance).
What is the role?
We are currently seeking a highly skilled and motivated Network Engineer to join the Operational Networking Team to help support and secure the UK wide data network which provides mission critical services to telecoms customers.
Key Responsibilities
* Administer firewalls and security appliances across different vendors.
* Provide day-to-day maintenance and monitoring of the infrastructure, WAN, LAN, and WLAN.
* Provide Tier-3 technical support to the Neos NOC and customers supporting fault investigations.
* Collaborate with both security and network architects on cyber security and network design.
* Liaise with project management teams to carry out remote builds and deployment.
* Provide on-call standby support within a team rota & support out of hours planned changes or escalations when required.
What do I need?
* Professional level network security accreditation such as Cisco, Juniper or similar industry recognised certification.
* Experience of firewall platforms including planning, configuration, and upgrade.
* Hands‑on experience on Cisco ASA, Firepower, Fortinet, and Checkpoint.
* 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).
* Exposure to Juniper QFX10k/QFX5k with VXLAN.
* SD‑WAN knowledge such as Aruba troubleshooting.
* Security certifications such as CompTIA.
* Flexible, committed, self‑motivated team worker with excellent organisational skills.
Next Steps
Ready 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 careers@neosnetworks.com.
#J-18808-Ljbffr