Security Engineer

Company: GCS
Apply for the Security Engineer
Location: Greater London
Job Description:

Location: London – Hybrid – 3 days office / 2 days remote

Salary: Up to £60,000 DOE + Additional company benefits

We’re hiring a Project Delivery Engineer – Cyber Security to join a growing cyber team delivering security solutions across client environments.

This role is ideal for someone with at least 4+ years’ experience in a similar position, ideally from an MSP background, who enjoys hands‑on project delivery, client‑facing work, and deploying Microsoft security technologies.

About the role.

You’ll be responsible for delivering security solutions for clients, supporting assessments, remediation, onboarding and wider cyber project work, while acting as a technical point of contact across multiple engagements.

Key responsibilities

  • Deploy security technology solutions for clients
  • Support Cyber Essentials and Cyber Essentials Plus audits and assessments
  • Deliver Microsoft security technologies including XDR, SIEM and Endpoint Detection & Response
  • Undertake technical vulnerability remediation
  • Provide escalation support for cyber security incidents and alerts
  • Produce security reporting and analytics
  • Carry out Microsoft 365 and cloud security assessments
  • Support pre‑sales activity, client onboarding, audits and eDiscoveries
  • Work closely with project and cyber teams to keep delivery on track

Required experience

  • Minimum 2 years’ experience in a similar cyber security / project delivery role
  • MSP background preferred
  • Proven experience deploying Microsoft security solutions
  • Working knowledge of Microsoft Defender XDR
  • Working knowledge of the Microsoft Defender suite, including Defender for Endpoint / Business
  • Understanding of Microsoft 365 cloud technologies from a threat and security perspective
  • Experience with SentinelOne, Tenable, Mimecast and Egress

Certifications

Applicants should hold at least one of the following:

  • SC-200 – Microsoft Certified: Security Operations Analyst Associate
  • SC-300 – Microsoft Certified: Identity and Access Administrator Associate

Personal profile

  • Highly motivated with a can‑do attitude
  • Strong attention to detail
  • Excellent communication and client service skills
  • Comfortable working under pressure
  • Flexible and professional in approach

This is a strong opportunity for someone looking to grow in a client‑facing cyber security delivery role with a clear focus on Microsoft security technologies.

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Posted: April 4th, 2026