Senior IT Security Engineer

May & Stephens; London; Hybrid; GBP 70,000 - 80,000; Full time

Job summary

A leading broker and market maker is seeking a Senior IT Security Engineer to safeguard critical infrastructure and lead security initiatives. This hybrid role in London involves monitoring threats, mentoring team members, and ensuring the effectiveness of security culture across the organization. With competitive benefits including annual leave and a discretionary bonus scheme, this position offers an excellent opportunity for growth in a key leadership role.

Benefits

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

Qualifications

• Strong hands-on experience in key security technologies.
• Professional certifications such as CISM, MS SC100/200/900, OSCP are advantageous.
• Background in financial services or SOC environments preferred.

Responsibilities

• Develop, implement, and maintain security solutions.
• Monitor and respond to threats via SIEM, SOAR, and EDR platforms.
• Conduct vulnerability scans and oversee security systems.

Skills

CrowdStrike EDR

Mimecast

Duo

Okta

Ivanti

Education

CISM certification

MS SC100 certification

OSCP certification

Job description

This range is provided by May & Stephens. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

Senior IT Security Engineer

London (Hybrid)

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:

• CrowdStrike EDR
• Mimecast
• Duo, Okta
• Rapid7 IVM, Tenable IO or Nessus
• Ivanti or Automox patching

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

• 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

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Information Technology

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