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Staff Security Engineer, Walrus

Mysten Labs · USA (Remote) · Remote

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About Mysten Labs

Mysten Labs is developing crucial infrastructure to power a more decentralized internet, transforming how people connect and share information online. Backed by Lightspeed, a16z and Redpoint.

About the role

We are hiring a Staff Security Engineer to act as the primary security partner for the Walrus team, providing deep architectural guidance and embedding security practices throughout the development lifecycle, starting from the design phase. Lead security assessments for new Walrus features while also contributing to security initiatives across the broader Mysten ecosystem, identifying systemic risks and providing actionable remediation plans for complex architectural challenges.

What they're looking for

  • Bachelor’s or Master’s degree in Computer Science, Computer Engineering, or equivalent experience
  • 8+ years of industry experience in security engineering, with a proven track record of operating at a Staff (E6) level or equivalent
  • Extensive experience as a security generalist, capable of navigating infrastructure, application, and cryptographic security domains
  • Strong proficiency in building, deploying, and managing automated security tooling, demonstrated history of using AI/ML or advanced static/dynamic analysis to improve security outcomes at scale
  • Deep expertise in collaborating with engineering teams during the design phase to proactively identify and mitigate high-risk design flaws
  • Excellent communication skills, with the ability to influence technical direction and lead cross-functional security initiatives
More about this role

Mysten Labs believes that decentralized and open protocols are the bedrock of the internet of value. This is why at Mysten Labs, we are creating foundational infrastructure to accelerate the adoption of decentralized protocols based on blockchain technologies.

We are hiring a Staff Security Engineer to act as the primary security partner for the Walrus team, providing deep architectural guidance and embedding security practices throughout the development lifecycle, starting from the design phase.

Lead security assessments for new Walrus features while also contributing to security initiatives across the broader Mysten ecosystem, identifying systemic risks and providing actionable remediation plans for complex architectural challenges.

Drive a "security-by-design" culture, ensuring that security considerations are front-and-center before code is written, within Walrus and the wider Mysten organization.

Leverage AI-driven tools and advanced automation to identify and remediate low-hanging fruit, allowing the team to focus on high-impact, complex security research.

Maintain a generalist security perspective, providing strategic oversight on broader infrastructure and product security...

Read the full posting on Mysten Labs's site ↗

Security

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