Senior Cyber Security Engineer

Company: DGH Recruitment Limited
Apply for the Senior Cyber Security Engineer
Location: London
Job Description:

Salary: £100,000 – 100,000 per year

Requirements

  • 5 years experience of working within a cyber security engineering / specialist capacity.
  • Knowledge of best practices in modern security architectures and incident responses.
  • Strong knowledge of Microsoft security environments, including Defender and Sentinel.
  • Excellent problem-solving ability, including leading multi-disciplinary teams to identify, research and coordinate resource to diagnose and troubleshoot complex issues.
  • Hold at least one security-related certification such as CISSP, CEH, or CCNA Security.

Responsibilities

  • Own and continually develop cybersecurity controls and security architecture.
  • Identify vulnerabilities in hardware and software to be remediated by Engineering and Operations teams.
  • Understand current and emerging security threats.
  • Assist and lead incident response investigations and mitigation.
  • Participate in and lead varied IT infrastructure lifecycle and security projects where relevant.
  • Create high-level designs, support solution costing, and review project proposals.
  • Ensure proposed infrastructure architecture and design align with our policies.
  • Evaluate project success after delivery, identifying best practices and lessons learned.
  • Provide major problem and incident support where Operations teams need steering from a subject matter expert.
  • Liaise with third-party suppliers on system issues.
  • Ensure all members of 3rd level teams have relevant skills sharing, procedures, and documentation.

Technologies

  • Hardware
  • Support
  • Security

More

We are recruiting for a Senior Cyber Security Engineer / Specialist. The role reports into our Infrastructure Engineering Manager and focuses on cybersecurity controls, security architecture, project delivery, and 3rd line support. Our working policy requires 4 days per week in the office during probation and 3 days thereafter.

last updated 40 week of 2026

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Posted: October 5th, 2026