Senior Security Engineer, Cyber Resiliency

Introduction

Chainguard is the trusted source for open source. By delivering hardened, secure, and production-ready builds of all the open source software engineers and AI agents rely on, Chainguard helps organizations build faster, stay compliant, and eliminate risk.

Our customers include Fortune 500 enterprises and global industry leaders, including Anduril, Canva, Fortinet, Hewlett Packard Enterprise, OpenAI, Snap Inc., and Snowflake.

Chainguard is venture-backed by leading investors, including Amplify, IVP, Kleiner Perkins, Lightspeed Venture Partners, Mantis VC, Redpoint Ventures, Sequoia Capital, and Spark Capital.

Role Overview

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.

Responsibilities

• 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
• Contribute to 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

• Candidates who reflect the four company values
• Superb intelligence