Head of Security

Company: Toolsforhumanity
Location: San Francisco
Posted on: April 18, 2025

Job Description:

About the Company:World is a network of real humans, built on privacy-preserving proof-of-human technology, and powered by a globally inclusive financial network that enables the free flow of digital assets for all. It is built to connect, empower, and be owned by everyone.About the Company:Tools for Humanity is a technology company building for humans in the age of AI. We are home to over 400 developers, scientists, engineers, designers, creatives, economists and other various optimists currently building tools for World is a network that provides identity, finance, and community for every human. It is built using cutting-edge hardware, software, and blockchain technology that makes it possible to provide a Proof of Humanity that can be used and trusted anywhere in the world. Currently, over 10 million people have verified at one of more than 1400 orbs around the world. With more than 100 mini-apps and numerous third-party integrations with World App, the World network is rapidly growing in scale and utility. To reach our goal of having the network accessible to every person in the world as quickly as possible, we must design and deploy some of the most security-forward, privacy-aware, transparent, high-scale, and decentralized technologies ever built.We are looking for a Head of Security to join our team, to lead and continue to grow our security programs.About the Team:Well beyond "regular company security," the goal of security at Tools For Humanity is to enable the World project to build a global network that can be trusted by all parties. The security team is central to the success of the company and the World protocol. It must navigate complex systems while delivering state-of-the-art hardware and software security. The team of 15+ engineers helps guide blockchain security, device security, cloud security, and mobile application security across all of our technologies. For example, it works with engineering teams that are designing novel new zero-knowledge proofs and cryptographic solutions (such as ) that enable the World network.As a global network that enables identity, financial, and community services, the team must consider a wide range of threats that span tampering with devices, visual spoofing of devices, in-person attempts to commit fraud, and traditional web/cloud services security. The team must work closely with fraud and data science teams to design systems to detect potential abuse while maintaining privacy and security for users.Additionally, the role will also oversee the company security at every level, including infrastructure security, internal security, and security incident response.About the Opportunity:This role will report to our Chief Architect (and former CISO). The Head of Security will work closely with teams across our Engineering, Product Management, Operations, Fraud, Legal, and Privacy organizations. They will be responsible for organizing, directing, and scaling all of our software and hardware security efforts across the company, and enabling security efforts across the World network. They will operate within a rapidly changing environment with a high level of ambiguity and extraordinarily high expectations that include being able to make nearly all of our security systems fully transparent and independently verifiable. The most challenging aspect of the role is the breadth of knowledge required to move quickly across security domains while supporting a deeply technical team.In this role you will:

• Scale and lead multiple teams of hardware security engineers, software security engineers, red team, infrastructure and IT security based (primarily) in San Francisco, USA and Munich, Germany.
• Work closely with the product and engineering team to define and execute a strategy for securing the company, as well as making the world network secure, private, and transparent.
• Regularly report security metrics and progress to senior leadership.
• Face and solve scalability issues linked to your solutions.
• Oversee design of hardware-level defenses and software-level defenses.
• Dive in-depth into the details of the World protocol, devices, applications, and infrastructure to understand and map the list of threats faced.
• Threat model and build an understanding of the diverse motives of possible attackers.
• Build a multi-level defense strategy ranging from device security to global fleet monitoring.
• Ensure that the security technologies, systems, and processes being developed are robust enough that they can be fully documented in public as a way to enable 3rd party verification and enhance public trust.About You:
  • Proven ability to manage a security organization with global visibility and impact.
  • Able to support experienced security leaders and grow junior talent.
  • Demonstrated commitment to transparency as a tool to increase security and trust.
  • Deep understanding of hardware and software attacks (on device & backend).
  • Experience and ability to lead multiple teams to implement hardware and software defenses.
  • Desire to work in a high growth and high-speed environment that is truly trying to change the world.
  • Interested in managing both IT and product security.
  • Able to effectively collaborate cross-functionally.Note: Level of personal, external visibility is up to you. Current industry leaders and strong technical leaders with low profiles are all encouraged to apply.What we offer:
    • An open and collaborative office space in downtown SF.
    • Unlimited PTO.
    • Monthly Phone Reimbursement or a company device.
    • Daily DoorDash credit for in-office meals.
    • Top-tier medical, dental, vision insurance.
    • 401k + employer match program.The reasonably estimated salary for this role at TFH in San Francisco ranges from $310,000 - $360,000, plus a competitive long-term incentive package, and may include variable compensation. Actual compensation is based on factors such as the candidate's skills, qualifications, and experience. In addition, TFH offers a wide range of best-in-class, comprehensive, and inclusive employee benefits for this role including healthcare, dental, vision, and mental health benefits, a 401(k) plan and match, life insurance, flexible time off, commuter benefits, professional development stipend, and much more!
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Keywords: Toolsforhumanity, Brentwood , Head of Security, Other , San Francisco, California