About Nexus Nexus is innovating at the intersection of artificial intelligence, blockchain, and zero-knowledge cryptography to build a Layer 1 for the AI era. Our team of world-leading experts is developing the Nexus Layer 1 blockchain, Nexus zkVM, and other breakthrough products with the goal of creating a verifiable world.

Nexus has raised $25M in Series A funding from Lightspeed, Pantera, Dragonfly, SV Angel, and more.

We are headquartered in San Francisco, and this role will be in-person with the rest of the Nexus team. Security Engineer At Nexus Labs we are building a world-class security team to secure the world’s first verifiable supercomputer. You will work closely with Nexus engineers, product leads, and ecosystem developers to architect and build secure and safe systems. The ideal candidate will be hands-on-keyboard: writing code to secure infrastructure from the ground up, identifying and mitigating potential threats, and educating the broader Nexus community on best web3 security practices.

Responsibilities

• Work alongside the engineering and product team to ensure a secure by design architecture for Nexus
• Implement and maintain the secure infrastructure in Nexus systems
• Analyze and assess novel and recurring security issues via design reviews, code audits, and penetration tests
• Manage and coordinate security incident response planning and execution

Requirements

• Experience writing secure, efficient, and well-documented code for infrastructure and applications, ideally involving cryptographic implementations
• Threat modeling, code review, and security issue identification expertise: both for internal systems and external vendors
• Experience shepherding external security vendors and audit firms
• Strong communication skills, especially to translate complex security risks and concepts to both technical and non-technical audiences
• Proficiency in Rust, Golang, Typescript, or equivalent

Bonus Points

• Blockchain & web3 security knowledge and expertise
• Prior involvement with bug bounties – as a participant or an organizer

Benefits

• Competitive salary and generous equity compensation
• Health insurance for employees and their dependents
• Daily lunch and dinner provided at SF headquarters
• Company-paid travel to events and conferences

Nexus is committed to diversity in our workforce and is proud to be an Equal Opportunity Employer (EEO).