Senior Security Engineer (Cyber Resiliency)

The role, in a nutshell:

Help shape how the open source world defends itself while working with a high‑trust, low‑ego team that actually makes security fun.

As a Senior Security Engineer on our Cyber Resiliency team, your role will be to enable Chainguardians to do their best work through collaborative low-friction Information Security. You will work closely with the security team and collaborate with teams across the company to improve our security posture and ensure compliance with industry standards and regulations. A successful candidate will possess a strong technical background, excellent problem-solving abilities, relentless curiosity, and a team first mentality.

What you’ll do:

• Join a team of high character, high talent individuals
• Design, deploy and optimize innovative technical controls to detect and prevent security incidents
• Engineer custom detection logic, integrate threat intelligence, automate with SOAR, and design Agentic AI security operations playbooks
• Contributed or lead incident response efforts, including tabletop exercises
• Collaborate across teams to integrate security best practices into products and processes
• Conduct thesis-driven threat hunts across forensic data lakes
• Continuously research the threat landscape and commit to your professional self-deployment with guaranteed work time and training budget
• This position includes rotational on-call responsibilities; Not brutal-the workload is reasonable and shared across the team

What we're looking for (you do not need all of these to apply):

• Candidates who reflect the four company values (see below)
• Superb interpersonal and communication skills (No Assholes)
• A practiced technical investigative mindset
• Experience securing cloud-native environments
• Experience with cloud and endpoint security operations
• Bias for macOS or Linux technology
• Passion for all things AI
• Threat intelligence savvy
• Ability to work independently across multiple simultaneous work streams
• Cloud forensics and incident response knowledge, skills, and experience
• Ability to craft automation with languages such as Go, Python, or Shell.
• Offensive security and or open-source software development a plus
• 5+ years of experience in software development, information security, or IT engineering or combination of the three
• Bachelor’s of Science degree in Computer Science, Engineering, Computer Security, or Information Systems preferred but not required