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Senior Security Operations Engineer

Job in London, Greater London, W1B, England, UK
Listing for: La Fosse
Full Time, Part Time position
Listed on 2026-02-11
Job specializations:
  • IT/Tech
    Cybersecurity, Network Security, Systems Engineer
Job Description & How to Apply Below

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

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Principal Consultant (Cyber) at La Fosse

We're looking for a Cyber Security Engineer to help to build our Sec Ops function. You'll serve as the technical lead, drive key security initiatives, play a pivotal role in mentoring junior team members and increasing our overall security posture.

Key Responsibilities include managing Crowd Strike SIEM/SOAR/EDR (alert response), vulnerability scans/remediation, security certificates, IDS/IPS, PAM. Remediate penetration test findings and contribute to ad-hoc projects. Work with the network engineers to implement posture management i.e. ICE/NAC segmentation/ lateral movement control and firewalls.

  • Monitor, manage, and respond to threats via Crowd Strike
  • Conduct vulnerability scans and support remediation and risk mitigation efforts
  • Oversee WAF, DDoS, VPN, and perimeter firewalls
  • Manage Email and Web Security Gateways
  • Work with Endpoints team to administer MFA, SSO, PAM, MDM/MAM, and Conditional Access systems
  • Maintain security certificates, encryption keys, and IDS/IPS systems
  • Lead ad-hoc security projects
  • Support and resolve issues identified during penetration testing

The role requires 2 or 3 days per week in the London office and the rest from home.

Seniority level
  • Mid-Senior level
Employment type
  • Full-time
Job function
  • Information Technology
Industries
  • Law Practice
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Position Requirements
10+ Years work experience
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