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Staff Security Engineer, Walrus

Mysten Labs· Security
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Remote$180k - $264kFull-timePosted 2mo ago

About the role

Staff Security Engineer responsible for acting as the primary security partner for the Walrus team, embedding security practices across the development lifecycle and providing architectural guidance.

Responsibilities

  • Lead security assessments for new Walrus features while contributing to security initiatives across the Mysten ecosystem, identifying systemic risks and providing remediation plans for complex architectural challenges.
  • Drive a "security-by-design" culture, ensuring 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 issues as they impact Walrus and beyond.
  • Collaborate with engineering leadership to prioritize security roadmap items, balancing feature velocity with the security posture of the platform.
  • Mentor senior and junior engineers, setting technical direction for security standards and establishing best practices across the engineering organization.

Qualifications

  • 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.

Skills

Required:Security architecture and designSecurity tooling and automation

Benefits

  • Comprehensive health insurance including medical, dental, and vision covered for you and your dependents; HSAs and FSAs.
  • 18 weeks of paid Parental Leave
  • Wellbeing programs and mental health support, including access to counseling and EAP
  • Short Term and Long Term Disability coverage, Life Insurance and Accident Insurance
  • Traveler Insurance
  • 401(k)
  • Privacy protection service
  • Wellness stipend
  • Flexible paid time off and 11 paid holidays per year
  • Team offsites and annual all-company retreat
Last updated Oct 22, 2026. Interested? Apply on the company site.

About Mysten Labs

Shaping the Future of the Internet

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

infrastructureblockchainweb3decentralized internet
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