Senior Security Engineer
Content + Source + Freshness • 13 Dec 2025 • 95% confidence
Offer value
This role offers high value due to its critical function in securing foundational blockchain technologies, competitive salary potential, and opportunities for professional development in web3 technologies.
- Competitive salary potential in a high-demand field
- Remote-first working environment
- Cross-functional team collaboration in a dynamic sector
- Requires 5+ years of relevant experience
Pros
- High demand for security professionals in blockchain technology
- Remote-first workplace allows for flexibility
- Potential to work with cutting-edge technologies and a dynamic team
Cons
- Requires significant experience in both security and blockchain domains
- Intense work environment due to the nature of security responsibilities
- Need to be proactive in identifying and mitigating risks
Who it's for
Senior / Lead • Remote
Good fit
- Experienced security engineers
- Professionals familiar with blockchain technology
- Candidates with strong problem-solving capabilities
Not recommended for
- Entry-level job seekers without the necessary experience
- Those preferring a structured and routine work environment
- Individuals lacking technical depth in operational security
Motivation fit
Key skills
About the job
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.
Security engineers own the operational and software security of the Sui blockchain, wallet, Move language, and other Mysten systems.
Security engineers support and work closely with the engineers working on the sensitive components of these systems. In addition, they are the key points of contact for audit engagements and bug bounty reports.
We are hiring security engineers now as we expand the ecosystem and production services. We have a strong team in protocol security, but we need experts in operational and software security who can help us navigate the challenges of running world class infrastructure.
Responsibilities:
Review, monitor and improve/harden configuration, development, build/ci, and deployment practices and policies used by Mysten Labs engineers products
Deploy, monitor, and manage security-related services
Use your knowledge of technical systems, such as key management systems and distributed systems to respond to security/privacy incidents and other severe issues
Monitor and manage the overall supply chain used by Mysten Labs products and infrastructure, including third-party vendors and open-source dependencies, ensuring that potential compromises are detected and remediated
Work with cross functional teams to prioritize security engineering efforts
Recommend and help scale adoption of processes to enhance security of Mysten Labs products and infrastructure.
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Provide guidance and technical direction to full time employees or contingent workers to ensure that vulnerabilities are remediated properly.
Minimum Qualifications:
Bachelor's degree in Computer Science, Computer Engineering, relevant technical field, or equivalent practical experience with hands-on production engineering, containerization, orchestration, logging, and monitoring
Experience with deploying on and with baremetal, kubernetes, docker
Experience with public cloud platforms such as AWS and GCP
Experience developing and deploying automated monitoring systems
Fluency in a systems programming language such as Rust (used extensively at Mysten Labs), or Go
Fluency in at least one higher-level language (e.g. Python, Shell Scripting)
Preferred Qualifications
Experience working in environments with ISO27001 and/or SOC2 Type II certification / audits
Our team is remote first and we are hiring across the world. Here at Mysten Labs, you’ll be joining a world-class team with tremendous growth potential as we bring the next billion users to web3. We raised a $300M Series B round from top Silicon Valley led venture funds like Jump Crypto, Andreessen Horowitz (a16z), Binance Labs, Redpoint, Lightspeed, Coinbase Ventures, Electric Capital, Standard Crypto, NFX, Slow Ventures, Scribble Ventures, Samsung Next, Lux Capital, among other investment firms and strategic partners. Come join us and build the future of web3!
