Network Security Engineer – Remote (UK)

About the role

We are looking for an experienced Network Security Engineer to lead and deliver security‑focused projects for our clients across the UK. The role is fully remote but may require occasional on‑site meetings and customer visits. You will work with Cisco and Fortinet technologies and receive support for further certifications.

Key responsibilities

• Lead the technical delivery of network and security projects from design through implementation and hand‑over.
• Act as the primary engineer on complex customer engagements, ensuring timely and high‑quality solutions.
• Provide technical guidance and mentorship to junior engineers.
• Collaborate with project managers, architects and stakeholders to align technical outcomes with business goals.
• Deploy, configure and troubleshoot Cisco Firepower firewalls, VPNs and threat‑protection policies.
• Implement and maintain Cisco Identity Services Engine (ISE) for access control.
• Utilise Cisco Stealthwatch and related tools for visibility and threat detection.
• Configure and support FortiGate firewalls where required.
• Produce detailed technical documentation, designs and hand‑over guides.

Required profile

• Based in the United Kingdom with the right to work without sponsorship.
• Proven experience delivering network security projects using Cisco security platforms.
• Strong communication and stakeholder management skills.
• Ability to lead technical teams and mentor junior staff.

Required skills

• Cisco Firepower
• Cisco Identity Services Engine (ISE)
• Cisco Stealthwatch
• Fortinet FortiGate
• VPN configuration
• Firewall policy design and troubleshooting
• Network access control and authentication
• Threat protection technologies

What we offer

• Competitive salary £45,000‑£48,000 per year.
• Remote working flexibility with occasional meet‑ups.
• Opportunities for further certification and professional development.