Senior IT Security Engineer

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