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Security Team LeadArthur Recruitment · London Area, United Kingdom
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Arthur Recruitment

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Security Team Lead

🗓️ Posted 2026-09-07 London Area, United Kingdom Full-time Hybrid ICT
💰 Salary 7,500 GBP–9,167 GBP/mo (90,000 GBP–110,000 GBP/yr) 📊 Market 7,500 GBP–11,500 GBP/mo

About the Company

London (City) - Hybrid Shape, lead, and own enterprise security for a highly respected insurance platform operating at the heart of the London Market. We're partnering with a market-leading insurance client as they continue to invest heavily in technology transformation & services who are now looking to hire an Information Security Technical Lead to take full ownership of their end-to-end security function. This is a hands-on leadership role where you will define strategy, lead a team, and actively engineer and improve security controls across a complex, multi-tenant environment. The Opportunity This is not a governance-heavy or purely advisory position. You will: You'll sit at the centre of infrastructure, operations, and client engagement- combining engineering depth with commercial and stakeholder impact .

Responsibilities

  • ● Define and execute the enterprise-wide security strategy
  • ● Own capabilities across PAM, SIEM, EDR/XDR, DLP, vulnerability management, identity governance
  • ● Translate regulatory obligations (FCA, PRA, ISO 27001, Lloyd's) into practical, measurable controls
  • ● Implement and optimise controls across Azure, M365, and infrastructure environments
  • ● Lead hardening initiatives across IAM, PAM, AD, and network security
  • ● Drive security automation and DevSecOps practices
  • ● Lead real-time response to security incidents
  • ● Oversee SIEM/SOAR integration, alerting, and playbooks
  • ● Conduct investigations using log analysis, forensic techniques, and threat intelligence
  • ● Provide advisory and managed security support to a portfolio of insurance clients
  • ● Deliver security reviews, maturity assessments, and improvement plans
  • ● Act as a trusted advisor on risk, controls, and security architecture
  • ● Own scanning, assessment, and remediation across platforms
  • ● Partner with engineering teams to prioritise and reduce risk exposure
  • ● Drive continuous improvement in security posture and resilience

Requirements

  • ● 7+ years in cybersecurity , with 3-4+ years in a lead/principal capacity
  • ● Experience spanning security engineering + SOC / incident response
  • ● Strong expertise across:
  • ● SIEM (Sentinel, Splunk, LogRhythm)
  • ● EDR/XDR (Defender, CrowdStrike, SentinelOne)
  • ● IAM / PAM / identity security
  • ● Vulnerability tooling (Tenable, Pentera, etc.)
  • ● Hands-on experience across Azure and Microsoft security stack
  • ● Scripting/automation capability (PowerShell, Python, Bash)
  • ● Strong grounding in MITRE ATT&CK, OWASP, and modern threat vectors
  • ● End-to-end ownership of InfoSec across internal + client environments
  • ● Hands-on leadership - build, improve, and lead in equal measure
  • ● Client exposure - influence security across multiple insurance businesses
  • ● Strong investment in tooling, automation, and cloud transformation
  • ● Prime City location with excellent transport links