Senior Network Security Engineer

Senior Network Security Engineer

Near Epsom | Hybrid (2 days onsite)

Permanent | On call (1 in 3 weeks) | Alternating early / late shifts (7am - 3:30pm and 9:30am - 6pm)

This is a busy, hands on engineering role within a large, regulated financial services environment, ideal for someone who wants to own and evolve a modern network estate rather than sit in a purely BAU or consultancy position.

A large programme of work is kicking off soon, so you'll be stepping into a high impact role, contributing to real change across network and security infrastructure.

You'll take a lead role across Palo Alto firewalls, core networking and security tooling, helping shape a resilient, scalable and secure environment.

Key Responsibilities

Own and optimise the Palo Alto firewall estate
Support core networking (LAN/WAN, Wi-Fi, remote access, load balancing)
Monitor and respond to security incidents (SIEM / EDR)
Improve network security, segmentation, and resilience
Manage vulnerability scanning and patching (Qualys)
Lead and contribute to network and security projects
Produce clear, accurate technical documentationTech Stack

Palo Alto | Cisco (L2/3) | Aruba | SIEM | EDR | Qualys

What We're Looking For

Minimum 5 years' experience in networking (essential)
Strong hands-on experience with networking fundamentals and technologies (Cisco, LAN/WAN)
Exposure to security tools or environments (SIEM, EDR, vulnerability management), but deep cyber expertise is not required
Desire to grow into a Network Security SME - this role offers that pathway
Excellent communication skills, with the ability to engage stakeholders at all levels
Strong documentation skills and high attention to detail
Someone proactive who can hit the ground running in a fast-paced environment
Good understanding of network/security architecture, but this is a hands-on engineering role, not consultancyWhy Join?

Clear opportunity to grow into a Security SME
Real ownership of network and security engineering
Work on a major transformation programme
Strong progression and training opportunities
Competitive salary, benefits, plus on call/overtime

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Unfortunately, due to high numbers of applications, we are only able to respond to shortlisted applicants. If you have not heard from us within 5 days, please assume that you have not been shortlisted on this occasion.

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Lloyd Recruitment Services are acting as a recruitment agency in relation to this vacancy and are an equal opportunities employer.

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