Head of Security, Ethena
Infrastructure unlocking Ethereum's potential
Open for applications
Infrastructure unlocking Ethereum's potential
1-20 employees
Open for applications
1-20 employees
Company mission
To provide access to trustless, globally accessible, and secure money and savings.
Role
Who you are
- 10+ years of progressive experience in security leadership roles, with demonstrated expertise in cybersecurity, physical security, and risk management, preferably in fintech, crypto, or high-tech environments
- Proven track record in developing and implementing comprehensive security strategies, including blockchain/DeFi security (e.g., smart contract auditing, cryptographic protocols) and physical protections (e.g., executive security, facility assessments)
- Strong leadership skills with experience building and mentoring high-performing teams, including oversight of engineers and coordination with cross-functional stakeholders
- Expertise in incident response, crisis management, threat intelligence, and compliance frameworks (e.g., SOC 2, ISO 27001, GDPR, AML/KYC); experience achieving certifications is highly desirable
- Proficiency in secure software development, infrastructure security (e.g., cloud, Kubernetes, AWS), and tools for monitoring, automation, and vulnerability mitigation
- Excellent communication and collaboration abilities to convey complex security concepts to technical teams, executives, regulators, and non-technical stakeholders
- Strategic thinker with adaptability in dynamic environments, strong problem-solving, and a proactive approach to risk management
- Experience in budget and vendor management for security operations
- Bachelor’s or Master’s degree in Computer Science, Information Security, or a related field; advanced certifications such as CISSP, CISM, CRISC, or similar are a plus
- Familiarity with DeFi-specific risks and technologies is highly desirable
- If you subscribe to the mission of separating the dollar from the state, then we want to hear from you!
What the job involves
- As the Head of Security, you will lead and own the comprehensive security strategy for our Ethena
- You will be functionally accountable for all aspects of security, ensuring the protection of our assets, infrastructure, data, personnel, and facilities
- This includes cybersecurity, blockchain security, physical security, and operational security
- This is a pivotal opportunity to build a security-first culture in a fast-paced, high-stakes environment where DeFi innovations meet real-world risks
- You will collaborate closely with Product Engineering, DeFi Engineering, Security Engineering, DevOps and non-engineering teams to embed security into every facet of our operations, from smart contract development to physical site protections
- By driving compliance, incident response, and proactive threat mitigation, you'll safeguard our users' funds, maintain regulatory alignment, and position the company for scalable growth in the evolving crypto landscape
- Develop and execute a holistic security strategy encompassing cybersecurity, blockchain security, physical security, and operational security, aligning with industry standards (e.g., NIST, ISO 27001) and DeFi-specific risks
- Oversee blockchain and smart contract security, including audits, formal verification, secure key management, and protections against exploits like reentrancy or flash loan attacks
- Build and enforce a robust cybersecurity framework, including threat detection systems (e.g., SIEM, IDS/IPS), secure DevOps practices, penetration testing, and vulnerability assessments
- Manage physical security operations, including access controls, surveillance, executive protection programs, travel risk assessments, and site audits for offices, data centers, events, and key personnel residences
- Drive compliance and regulatory alignment, achieving milestones such as SOC 2 and ISO 270001; prepare for audits and liaise with regulators
- Establish incident response and crisis management plans, conducting simulations, drills, and rapid recovery for cyber, physical, or hybrid threats to minimize downtime and losses
- Foster a security-first culture through training, workshops, and integration of security-by-design principles across all teams
- Lead and scale the security team, hiring and mentoring Senior/Staff Security Engineers (and potentially physical security specialists), while overseeing the Security Engineering team
- Implement real-time monitoring, threat intelligence, and performance metrics for digital and physical assets
- Manage security budgets, vendor relationships, and resources to optimize effectiveness
- Future-proof security for growth, anticipating emerging threats in DeFi and adapting systems for new products, integrations, and expanded operations
Application process
- We look forward to receiving your application and will be in touch after having a chance to review
Our take
Ethena aims to provide accessible and permissionless dollar-denominated savings instruments to individuals beyond the United States. This begins with creating a US dollar stablecoin that operates independently of traditional financial systems, offering full collateralization and transparency.
Alongside this stablecoin, Ethena is crafting the world's first digitally native savings bond. Unlike traditional bonds tied to centralized banks, this bond token will provide an alternative savings platform for users worldwide.
This ambitious vision has attracted significant investment which will help the company propel its market presence. As Ethena strives to provide a decentralized and capital-efficient solution, it is poised to redefine the landscape of DeFi, offering a promising alternative to traditional banking systems for users globally.
Steph
Company Specialist at Welcome to the Jungle
Company
Funding (last 2 of 5 rounds)
Oct 2025
$30m
EARLY VC
Aug 2025
$10m
EARLY VC
Total funding: $76m
Company HQ
Pena, Lisbon, Lisbon
Leadership
Guy Young
(Founder)Founded Ethena in early 2023. Previously worked in Investing at Cerberus Capital Management.
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