Intermediate Security Engineer, Security Incident Response Team (SIRT)

GitLab is the intelligent orchestration platform for DevSecOps. GitLab enables organizations to increase developer productivity, improve operational efficiency, reduce security and compliance risk, and accelerate digital transformation. More than 50 million registered users and more than 50% of the Fortune 100* trust GitLab to ship better, more secure software faster.

The same principles built into our products are reflected in how our team works: we embrace AI as a core productivity multiplier, with all team members expected to incorporate AI into their daily workflows to drive efficiency, innovation, and impact. GitLab is where careers accelerate, innovation flourishes, and every voice is valued. Our high-performance culture is driven by our values and continuous knowledge exchange, enabling our team members to reach their full potential while collaborating with industry leaders to solve complex problems. Co-create the future with us as we build technology that transforms how the world develops software.

* Fortune 500® is a registered trademark of Fortune Media IP Limited, used under license. Claim based on GitLab data. Fortune 100 refers to the top 20% ranked companies in the 2025 Fortune 500 list, published in June 2025. Fortune and Fortune Media IP Limited are not affiliated with, and do not endorse products or services of GitLab.

An overview of this role

As an Intermediate Security Engineer on GitLab's Security Incident Response Team (SIRT), you will be on the frontline of protecting both GitLab.com and GitLab the company from security threats. This role operates on a compressed 4-day work schedule, with a full-time week's hours condensed into four longer working days. Shifts run either Sunday through Wednesday or Wednesday through Saturday to provide 24/7/365 security coverage.

Your primary focus will be detecting and responding to security incidents during your scheduled shifts. You'll work extensively with our incident response automation tools to investigate, analyze, and resolve security events. You'll also have opportunities to contribute to our security tooling and automation, helping to improve our detection and response capabilities.

In this role, you'll develop expertise using our security infrastructure to monitor for threats, analyze potential incidents, and coordinate response efforts across teams. This position is ideal for someone who wants to grow their incident response skills while working within GitLab's established security framework. You'll learn to think both tactically and strategically about security, while getting hands-on experience handling real-world incidents.

Successful Security Engineers thrive in high-pressure environments, remaining calm while following prepared runbooks and thinking critically about security challenges. In this role, you will learn to think like both an attacker and defender, developing proactive and preventative security measures to keep GitLab and its users' data safe in our ever-changing threat landscape. Through hands-on experience and mentorship, you'll develop the skills needed to anticipate security risks, respond effectively to incidents, and contribute to GitLab's robust security posture.

Find out more about the Security Operations team and responsibilities here:

Incident Response

Trust and Safety

Red Team

Threat-Intelligence

Signals-Engineering

What you’ll do

Lead security incident response in our 24/7 global rotation, managing incidents from detection through containment and recovery

Create and maintain comprehensive incident response documentation, including runbooks and standard procedures

Conduct post-incident analysis through RCA and lessons-learned reviews to strengthen our incident response program

Design and implement automated security processes to improve operational efficiency and reduce manual intervention

Drive continuous improvement by identifying security gaps and implementing advanced detection and response