Senior IT Security EngineerLondon (Hybrid) 80,000 - 85,000 DOE + Bonus + Benefits Join a leading London-based broker and market maker with offices worldwide! We are looking for a Senior IT Security Engineer to play a vital role in safeguarding critical infrastructure and data, working as part of a close-knit, expert IT Security team. The RoleYou will be instrumental in developing, implementing, and maintaining security solutions that protect systems from ever-evolving cyber threats. You''ll serve as the technical lead, drive key security initiatives, and play a pivotal role in mentoring junior team members. Key ResponsibilitiesMonitor, manage, and respond to threats via SIEM, SOAR, and EDR platformsConduct vulnerability scans and support remediation and risk mitigation effortsOversee WAF, DDoS, VPN, and perimeter firewallsManage Email and Web Security GatewaysAdminister MFA, SSO, PAM, MDM/MAM, and Conditional Access systemsMaintain security certificates, encryption keys, and IDS/IPS systemsDeliver cybersecurity awareness training and lead ad-hoc security projectsSupport and resolve issues identified during penetration testing Ideal Experience We''re looking for someone with strong hands-on experience in most of the following technologies:Essential:CrowdStrike EDRMimecastDuo, OktaRapid7 IVM, Tenable IO or NessusPalo Alto Firewalls, InTune, Entra ID, Active DirectoryDesirable:Imperva WAF, Menlo Security, Cisco Secure Access/Umbrella, KnowBe4, AppCheckIvanti or Automox patchingK