Staff Security Engineer, Walrus

The role

The Staff Security Engineer will act as the primary security partner for the Walrus team. You will provide architectural guidance and embed security practices throughout the development lifecycle.

What you will do

• Lead security assessments for new Walrus features
• Contribute to security initiatives across the broader Mysten ecosystem
• Identify systemic risks and provide remediation plans for complex architectural challenges
• Drive a security-by-design culture
• Leverage AI-driven tools and advanced automation to identify and remediate low-hanging fruit
• Provide strategic oversight on broader infrastructure and product security issues
• Collaborate with engineering leadership to prioritize security roadmap items
• Mentor senior and junior engineers
• Set technical direction for security standards and establish best practices

Required qualifications

• Bachelor’s or Master’s degree in Computer Science, Computer Engineering, or equivalent experience
• 8+ years of industry experience in security engineering
• Proven track record of operating at a Staff (E6) level or equivalent
• Extensive experience as a security generalist in 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 mitigate high-risk design flaws
• Excellent communication skills

Nice to have

• Technical understanding of decentralized storage, distributed systems, or the Web3 stack
• Experience leading security-focused transformations or implementing security-by-design frameworks in high-growth engineering environments
• Ability to balance tactical, hands-on security work with strategic long-term planning and leadership

Before you apply

• Employment is contingent upon the successful completion of a background check, which may include verification of employment history, education credentials, criminal history, and other relevant informa
• We may use technology-assisted tools, including artificial intelligence (AI), to help identify and evaluate candidates

About the company

Mysten Labs builds foundational infrastructure and products that give people, businesses, and developers new ways to interact, transact, and create value. Their work spans on-chain finance and the emerging agent economy through Sui, Move, and their broader technology stack.