Arthur Recruitment
Security Team Lead
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Information Security Technical Lead
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:
- Own and deliver the security roadmap across internal platforms and a broad client estate
- Lead and mentor a team of security engineers (currently 3)
- Act as the senior escalation point for security incidents and decision-making
- Work across a modern Microsoft/Azure environment, driving improvements in M365 security and identity
- Influence how security is delivered across our sites, combining internal and client-facing services
You’ll sit at the centre of infrastructure, operations, and client engagement—combining engineering depth with commercial and stakeholder impact.
What You’ll Be Doing
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Security Leadership & Programme Ownership
- 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
Hands-On Security Engineering
- 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
Incident Response & Threat Detection
- Lead real-time response to security incidents
- Oversee SIEM/SOAR integration, alerting, and playbooks
- Conduct investigations using log analysis, forensic techniques, and threat intelligence
Client-Facing Security Services
- 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
Vulnerability & Risk Management
- 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
What We’re Looking For
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- 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
- (Background in insurance, financial services, or regulated environments is highly beneficial).
If you are looking for:
- 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
If you're a technical security leader who still enjoys being close to the technology, and you want a role where you can shape strategy, lead a team, and make real impact, this is a standout opportunity. Apply now for immediate consideration and a confidential discussion.
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