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.

Key Responsibilities

• 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

Essential Skills & Experience

• 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.

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