Network Engineer

Network Engineer – Redhill, Surrey

Salary: £40,000 to £50,000 + Car Allowance  Department: Engineering

Are you a technically strong Network Engineer who loves solving complex problems, improving network performance and keeping critical systems secure? This role offers a brilliant opportunity to work across internal and customer networks, supporting everything from day-to-day operations to specialist secure environments. If you enjoy designing, building, testing and managing networks — and being the person others turn to for expert advice — this could be the ideal next step. 

What you’ll be doing

Network Design, Build & Support

• Acting as the centre of excellence for network design and management.
• Leading by example and developing strong technical expertise in bespoke systems and networks. 
• Designing, building, testing and commissioning internal and occasional customer networks. 
• Troubleshooting routing, compression and acceleration processes in long-latency environments. 
• Maintaining configuration documents, schematics and technical support guides. 
• Ensuring the highest levels of network security across internal and external environments.

Technology Expertise

You’ll work with a wide range of technologies, including:

• Fortinet Fortigate (FortiManager/FortiAnalyzer)
• Cisco routers (29xx, 83xx, 4xxx – IOS-XE)
• Cisco switches (29xx, 93xx)
• Linux, crypto, VPN, IP SLA, BGP, OSPF, IPSEC, VOIP QoS 

Cross-team & Customer Support

• Analysing logs to identify trends and propose improvements.
• Supporting both internal colleagues and external customers. 
• Producing SLA reports and making recommendations based on performance insights. 
• Acting as an escalation point for complex network support issues.
• Participating in a weekend/out-of-hours emergency support rota. 

What we’re looking for

Essential Skills & Experience

• Minimum FCSS/FCP and/or CCNA/CCNP or equivalent.
• At least 5 years’ hands-on, multi-network experience.
• Strong technical ability across Fortinet, Cisco, VPN, routing protocols and secure network technologies. 
• Excellent customer-facing skills — comfortable supporting users by phone and in person. 
• Ability to gain DV Security Clearance.
• Highly organised with a proactive, can-do attitude.
• Strong communication and documentation skills. 

Desirable Extras

• Background in telecommunications or satcom/maritime networks.
• Experience with MPLS, 802.1x, multicasting.
• Knowledge of Linux, Docker and Python. 

Why this role is challenging (and rewarding)

• Balancing multiple priorities while delivering high levels of customer satisfaction.
• Maintaining secure, high-performance networks under pressure.
• Training others and supporting their development.
• Handling rapid-response escalations and urgent out-of-hours issues.