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Senior Security Engineer (Remote)

Lightning Labs· Engineering
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RemoteFull-timePosted 11mo ago

About the role

Hands-on security engineer role focused on devising and implementing policies and procedures around best practices in systems security, with emphasis on securing web, Bitcoin, and other public-facing network services, penetration testing, and security reviews across distributed teams.

Responsibilities

  • Designing and deploying active fuzzing, black+white box testing and penetration testing infrastructure for open source and production systems
  • Performing security audits and review of both internal production systems as well as open source software which interacts with Bitcoin+Lightning in a security critical manner
  • Provide mentorship and guidance to level up your teammates
  • Creating global security policy, standards, guidelines, and procedures to ensure ongoing maintenance of security
  • Overseeing security aspects of software release processes and infrastructure
  • Determining security team requirements for future growth
  • Developing and ensuring responsiveness of security incident management processes
  • Performing risk management assessments

Qualifications

  • At least 5 years prior experience in in systems security
  • An 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 in reverse engineering and exploiting of cryptographic protocol (cryptocurrencies like Bitcoin) systems
  • Extensive expertise with 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 management experience or experience as a senior decision maker
  • Experience working with remote teams
  • Experience working with Kubernetes and AWS infrastructure
  • Working knowledge of fundamental Bitcoin and Lightning design principles
  • Candidates with additional experience are welcome to apply as we are open to adjusting the role accordingly

Skills

Required:Security policy creation and governancePenetration testingGo, Rust, C/C++, JavaCryptography and cryptographic protocol analysis
Nice to have:Reverse engineering of cryptographic systems

Benefits

  • Note: The job description does not specify benefits. Skipping to avoid filler values.
Last updated Sep 17, 2026. Interested? Apply on the company site.
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About Lightning Labs

building faster, cheaper, global layer-two bitcoin

Building faster, cheaper, global layer-two bitcoin

bitcoinLightning Networksoftware developmentfinancial services
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