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# Network Engineer

- **Company:** HSB Technical
- **Location:** Merstham, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** IEEE 802.1X, Border Gateway Protocol, VoIP, Cisco Routers, Complex Networks, Linux, Internet Protocol Security (IP SEC), Virtual Private Networks (VPN), Multi-protocol Systems, Python (Programming Language), Multicasting, Network Planning and Design, Network Administration, Open Shortest Path First (OSPF), Satcom, Firewalls (Computer Science), Fortinet, Docker
- **Published:** August 14, 2026
- **Apply:** https://jobsthamesvalley.co.uk/jobs/apply/ats-redirect/?id=2924253432-2

## About the Role

* Professional networking certifications such as FCSS/FCP and/or CCNA/CCNP (or equivalent).
 * Minimum 5 years hands-on experience designing and managing networks.
 * Strong technical knowledge of Fortinet Fortigate Firewalls, Cisco Routers/Switches, VPN, BGP, OSPF, IPSec, and VoIP QoS.
 * Ability to obtain or hold DV Security Clearance.
 * Strong organisational skills, proactive approach, and attention to detail.
 * Excellent communication skills and the ability to support and train others.
 * Desirable: experience with satcom, maritime communications, MPLS, 802.1x, multicast, Linux, Docker, and Python.

## Description

Typically, this person will be responsible for the design, build, maintenance, and support of secure networks for both internal teams and external customers. The role covers the full lifecycle of network management, from design through to commissioning and long-term support, while ensuring security, reliability, and performance standards are met., * Act as a subject matter expert for network design, management, and security.

 * Lead the design, build, test, and commissioning of internal and occasional customer networks.
 * Support, troubleshoot, and maintain complex network environments including Fortinet firewalls, Cisco routers/switches, VPNs, and VoIP QoS.
 * Analyse logs, identify trends, and recommend network improvements.
 * Maintain and update documentation, including configurations, schematics, and support guides.
 * Provide 3rd line support for escalated network issues, often with tight deadlines.
 * Liaise with internal teams and external stakeholders to ensure network integrity and service availability.
 * Participate in on-call and out-of-hours support rota as required.


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