Senior Network Security Engineer
| Job Type | Permanent Full Time |
| Location | Epsom |
| Area | Surrey, UK |
| Sector | IT |
| Salary | £Negotiable |
| Start Date | ASAP |
| Advertiser | Mollie Egan |
| Job Ref | ME15690 |
- Description
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 documentation
Tech 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 consultancy
Why 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.
