Security Engineer

Senior Security Engineer | Managed Security Services | London

I’m currently recruiting for a Senior Security Engineer to join a growing Managed Security Services team in London (Hybrid) .

This is a hands‑on opportunity for someone who enjoys working across Security Service Edge (SSE), Zero Trust, exposure management and cyber asset visibility , while working directly with customers to improve their security posture.

What you’ll be doing

• Deploy, configure and operate enterprise security platforms across customer environments
• Manage BAU operations, platform health, upgrades, policy and configuration changes
• Operate and optimise SSE capabilities including SWG, CASB, DLP, ZTNA and RBI
• Support Zero Trust and conditional access initiatives
• Run exposure and vulnerability management programmes aligned to CTEM
• Identify, validate and prioritise vulnerabilities based on real-world exploitability and business impact
• Use CAASM platforms to identify asset visibility and security control gaps
• Troubleshoot complex cloud, identity, device and network access issues
• Produce customer-facing security reports and present findings during service reviews
• Develop runbooks, operational documentation and contribute to continuous service improvement
• Help develop the organisation’s growing Microsoft Security capability

What we’re looking for

• Strong hands‑on experience with enterprise security platforms
• Excellent SSE experience across SWG, CASB, DLP, ZTNA and RBI
• Netskope experience is highly desirable
• Experience across vulnerability and/or exposure management
• Strong enterprise security operations background
• Experience within managed security services or multi‑tenant environments
• Good understanding of Zero Trust and identity‑based access control
• Strong troubleshooting and customer‑facing communication skills

Nice to have

• Netskope certifications such as NCCSA / NCCSI
• CTEM, CAASM or breach and attack simulation experience
• Knowledge of CVSS, EPSS and CISA KEV
• Microsoft security certifications such as SC-200, SC-300, SC-401 or SC-100
• Experience presenting security posture findings to customers

London – Hybrid
Full-time | Managed Security Services