M
Mysten Labs
Staff Security Engineer (Walrus)
Skills
Web3Machine LearningAI
2 months ago
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Important information
Contract type:
Permanent
Salary:
$180,000 – $264,000 / year
Location:
United States
Work mode:
Onsite
Published on:
22 August 2026
What they need
- 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 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- Extensive experience as a security generalist, capable of navigating infrastructure, application, and cryptographic security domains
- Excellent communication skills, with the ability to influence technical direction and lead cross-functional security initiatives
- 8+ years of industry experience in security engineering, with a proven track record of operating at a Staff (E6) level or equivalent
- Deep expertise in collaborating with engineering teams during the design phase to proactively identify and mitigate high-risk design flaws
- Bachelor’s or Master’s degree in Computer Science, Computer Engineering, or equivalent experience
- What You’ll Have
- 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
- Experience leading security-focused transformations or implementing security-by-design frameworks in high-growth engineering environments
- Technical understanding of decentralized storage, distributed systems, or the Web3 stack (prior experience is a plus, not a requirement)
- Ability to balance tactical, hands-on security work with strategic long-term planning and leadership
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