Managing Security Engineer - DV cleared

Managing Security Engineer (DV Cleared)

Hemel Hempstead - 5 days onsite

£500-£700 per day Inside IR35

We're seeking a DV-cleared Managing Security Engineer to lead the design, implementation, and optimisation of security monitoring platforms feeding into a central SOC. This is a hands‑on leadership role focused on building scalable SIEM solutions and strengthening client security posture.

• Lead design and deployment of security monitoring tools (Elastic & Splunk)
• Build and optimise large-scale log ingestion pipelines and data models (ECS/CIM)
• Develop and tune detection rules using KQL, EQL, and SPL
• Drive detection engineering lifecycle aligned to MITRE ATT&CK
• Implement automation, CI/CD, and Infrastructure as Code for SIEM platforms
• Ensure platform performance, scalability, and resilience (HA/DR, clustering)
• Collaborate with stakeholders to assess risk and deliver security improvements

• Proven leadership in Security Engineering and client-facing environments
• Strong hands‑on expertise with Elastic Stack and Splunk (Enterprise/ES)
• Advanced knowledge of SIEM operations, detection engineering, and RBA
• Experience with large-scale data ingestion, enrichment, and pipeline design
• Familiarity with automation tools, SOAR, Terraform/Ansible, and CI/CD
• Excellent communication, stakeholder management, and problem‑solving skills

This is a great opportunity to play a key role in delivering high-impact cybersecurity solutions while remaining technically hands‑on.