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Senior Security Engineer, Security Incident Response Team
GitLabSenior Security Engineer on GitLab’s Security Incident Response Team protecting GitLab against evolving security threats. Leading investigations, automation of workflows, and collaboration across teams.
Tech Stack
Tools & technologiesAWSCloudGoogle Cloud PlatformPython
About the role
Key responsibilities & impact- Lead and coordinate end-to-end incident response for high-severity security events within a 24/7 global on-call model, with this role operating during U.S. business hours.
- Prepare clear executive communications that keep stakeholders informed during incidents
- Investigate 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, including SIEM use cases, alerting strategies, and telemetry pipelines
- Build and enhance automation and AI-assisted workflows to improve triage, investigation speed, and response consistency
- Partner with Threat Intelligence to contextualize threats and improve detection coverage
- Conduct root cause analysis (RCA) and lead post-incident reviews to drive continuous improvement and risk reduction
- Develop and maintain runbooks, playbooks, and operational documentation
- Collaborate cross-functionally (Engineering, Infrastructure, Legal, Product, Communications, etc) during incidents and lead proactive initiatives (e.g. tabletops)
- Mentor other engineers and help elevate the team’s overall incident response maturity
Requirements
What you’ll need- 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)
- Interest or experience in applying AI/ML or data-driven techniques to detection, triage, or response workflows
- 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
- Growth mindset with a proactive approach to identifying and mitigating security risks.
Benefits
Comp & perks- 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
- Home office support
ATS Keywords
✓ Tailor your resumeApplicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
security incident responsedigital forensicsincident response methodologiesroot cause analysisautomationPythonscriptingSIEMEDRdetection engineering
Soft Skills
analytical skillsproblem-solving skillswritten communicationcollaborationmentoringproactive approachgrowth mindset