Senior Security Engineer, Security Incident Response Team (SIRT) - EMEA

As a Senior Security Engineer on GitLab's Security Incident Response Team (SIRT), you will play a critical role in defending GitLab.com and the broader GitLab environment against evolving security threats.

You will lead high-impact incidents and investigations, drive continuous improvements in defense, detection and response capabilities, and help scale security operations through automation and intelligent workflows.

Operating within a 24/7 global environment (follow the sun model), you will own incidents end-to-end - from detection and triage through containment, eradication, and recovery - while partnering cross-functionally to strengthen GitLab's overall security posture.

Key responsibilities include:

• Leading and coordinating end-to-end incident response for high-severity security events within a 24/7 global on-call model
• Preparing clear executive communications that keep stakeholders informed during incidents
• Investigating complex security incidents across cloud environments, applying strong Digital Forensics and Incident Response (DFIR) methodologies
• Partnering with Signals Engineering to design and implement detection capabilities
• Building and enhancing automation and AI-assisted workflows to improve triage, investigation speed, and response consistency
• Conducting root cause analysis (RCA) and leading post-incident reviews to drive continuous improvement and risk reduction

Requirements:

• Strong experience in security incident response and investigations in cloud-first environments
• Experience using or administering Git/GitLab in a security or engineering context
• Hands-on experience with SIEM, EDR, and/or detection engineering
• Experience with cloud platforms (AWS & GCP)
• Familiarity with threat intelligence and adversary tactics (e.g., MITRE ATT&CK)
• Experience building or working with automation (e.g., Python, scripting, SOAR platforms)
• Strong analytical and problem-solving skills; ability to operate effectively during high-severity incidents
• Excellent written communication skills with a passion for clear, actionable documentation

Benefits:

• Benefits to support your health, finances, and well-being
• Flexible Paid Time Off
• Team Member Resource Groups
• Equity Compensation & Employee Stock Purchase Plan
• Growth and Development Fund
• Parental Leave