Senior Security Engineer
Lightning Labs is a software company that builds tools for faster and cheaper Bitcoin payments over the Lightning Network.
Maintainer signals as of 8/23/2026
Funding history
Projects
About Lightning Labs
Lightning Labs is a software company focused on improving Bitcoin payment scalability. Users can send and receive Bitcoin instantly, manage liquidity across payment channels, and integrate Lightning functionality into their apps. The platform supports developers and infrastructure providers by offering open-source tools that enable faster, low-cost Bitcoin transactions through the Lightning Network.
Skills
About the Role
Devise and implement systems security policies and procedures, secure public-facing services, perform penetration testing and source code security reviews, and collaborate across functional teams to apply security best practices.
Requirements
- At least 5 years of systems security experience
- Ability to work with a high-impact, fast-moving startup team
- Extensive knowledge of operating system and computer architecture internals
- Strong understanding of cryptography, protocol design, and adversarial analysis
- Experience reverse engineering and exploiting cryptographic protocol systems
- Professional software development experience in Go, Rust, C/C++, and/or Java
- Experience in security incident response
- Experience in security code review and vulnerability triaging
- Prior experience running an open source-facing bug bounty program
- 2+ years of management experience or experience as a senior decision maker
- Experience working with remote teams
- Experience with Kubernetes and AWS infrastructure
- Working knowledge of Bitcoin and Lightning design principles
Responsibilities
- Design and deploy active fuzzing, black-box and white-box testing, and penetration testing infrastructure for open source and production systems
- Perform security audits and review internal production systems and open source software interacting with Bitcoin and Lightning
- Provide mentorship and guidance to teammates
- Create global security policies, standards, guidelines, and procedures
- Oversee security aspects of software release processes and infrastructure
- Determine security team requirements for future growth
- Develop and ensure responsiveness of security incident management processes
- Perform risk management assessments
