Senior IT Security Engineer
London (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 Role
You 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 Responsibilities
Monitor, manage, and respond to threats via SIEM, SOAR, and EDR platforms
Conduct vulnerability scans and support remediation and risk mitigation efforts
Oversee WAF, DDoS, VPN, and perimeter firewalls
Manage Email and Web Security Gateways
Administer MFA, SSO, PAM, MDM/MAM, and Conditional Access systems
Maintain security certificates, encryption keys, and IDS/IPS systems
Deliver cybersecurity awareness training and lead ad-hoc security projects
Support 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 EDR
Mimecast
Duo, Okta
Rapid7 IVM, Tenable IO or Nessus
Palo Alto Firewalls, InTune, Entra ID, Active Directory
Desirable:
Imperva WAF, Menlo Security, Cisco Secure Access/Umbrella, KnowBe4, AppCheck
Ivanti or Automox patching
Kali Linux, Metasploit, NMAP, BurpSuite
Candidate Profile
Professional certifications such as CISM, MS SC100/200/900, OSCP are advantageous
Background in financial services, SOC environments, or penetration testing preferred
Strong interpersonal and communication skills, with the ability to engage across teams and deliver training effectively
Able to manage multiple priorities and collaborate cross-functionally
What's on Offer
Competitive salary
25 days annual leave plus bank holidays
Discretionary annual bonus scheme
Contributory pension (SIPP), life assurance, income protection
Interest-free season ticket loan
Subsidised gym membership
Ready to step into a key security leadership role with one of London's premier trading firms?
Apply now and help us secure the future of global trading