Head of Security

opensea.io; United States; Remote; USD 270,000 - 350,000; Full time

Job summary

OpenSea is seeking a Head of Security to enhance security for its platform and users. This role involves hands-on execution and strategic oversight of security practices, ensuring effective threat detection and compliance with industry standards. The ideal candidate will have extensive experience in security, particularly within the crypto space, and a passion for improving security measures.

Benefits

100% Dental/Vision/Medical coverage

Flexible Time Off Policy

16 Weeks Paid Parental Leave

Access to Spring Health for Mental Health

11 Company Holidays

Fidelity 401K Plan

Internet/Mobile Reimbursement

Monthly Snack Delivery

MacBook Pro & WFH Stipend

$50 Weekly Uber Eats credit

Qualifications

• 10+ years in security, preferably in a crypto company.
• Practical knowledge of blockchain security and crypto-specific attack vectors.

Responsibilities

• Take ownership of all aspects of security at OpenSea.
• Establish risk management processes and conduct regular assessments.
• Lead incident response efforts and foster a security-first culture.

Skills

Risk Management

Incident Response

Communication

Ownership Mentality

AI Integration

Tools

Java

Go

PowerShell

Node.js

C#

Python

Ruby

Job description

OpenSea is the gateway to web3’s next chapter—where NFTs, fungible tokens, and emerging digital assets converge to create open, user-owned economies. As a foundational player in the crypto space, we’re building infrastructure that supports millions of users and sets new standards for how people discover and exchange digital value.

Our team is small but mighty: hands-on, fast-moving, and deeply committed to shipping meaningful work. We're remote-first by design, AI-empowered by default, and guided by values that prioritize ownership, trust, and progress. At OpenSea, you’ll be challenged to grow fast while being supported by a talent-dense team shaping the future of crypto.

We’re looking for a Head of Security to join OpenSea to champion security for our team, platform, and millions of users. Security is key to everything we do, but today is distributed among our engineers, as well as a few security specialists. This role will level up our investment & expertise in the domain.

You will own security end-to-end: application, operational, and corporate with a focus on hands-on execution mixed with high-level strategy setting, shaping the security posture for one of the most prominent platforms in web3.

Responsibilities

• Take hands-on ownership of all aspects of security at OpenSea including threat detection/response, infra, application & organizational security

• Establish robust risk management processes, conducting regular assessments to identify vulnerabilities and implement mitigation strategies

• Lead incident response and crisis management efforts, ensuring the organization can respond effectively to security threats

• Foster a security-first culture through awareness programs and by engaging with stakeholders across all functions

• Oversee security compliance initiatives and align with relevant industry standards while enabling our startup agility

• Collaborate with executive leadership to ensure security initiatives support OpenSea's business goals

Desired Experience

• 10+ years in security, with experience at a crypto company that ships quickly

• Practical knowledge of blockchain security and crypto-specific attack vectors

• Proficient in one or more programming languages, such as Java, Go, PowerShell, Node.js, C#, Python, and Ruby

• Deep expertise operating in a cloud-hosted environment (AWS preferred)

• Experience developing and implementing large-scale security strategies in a software company

• Expertise in risk management, incident response, and security governance within the crypto space

• Proven ability to communicate effectively with both technical and executive stakeholders

• Passion for improving crypto security combined with a methodical approach to solving complex security challenges

• High ownership mentality

• AI-forward mindset with hands-on experience adopting and integrating AI tools

The base salary for this full-time position in the United States, spanning multiple internal levels depending on qualifications, ranges between $270,000 to $350,000 plus benefits & equity.Compensation for internationally based candidates will vary to reflect local market conditions.

If you don't think you meet all of the criteria below but still are interested in the job, please apply. Nobody checks every box, and we're looking for someone who is excited to join the team.

#LI-Remote

Benefits & Perks

Health Benefits: We cover 100% Dental/Vision/Medical for employees and 80% for dependents

Flexible Time Off Policy: Our flexible time off policy is aimed at letting our employees take as much time off as they'd like to refresh so long as it doesn't interfere with their ability to meet their goals and contribute effectively to company velocity

Parental Leave: 16 Weeks of Paid Parental Bonding & up to 8 additional weeks for the birthing parent

Mental Health: We offer access to Spring Health, covering 8 therapy & 8 coaching sessions per year

11 Company Holidays

Fidelity 401K Plan

Internet/Mobile Reimbursement Plan

Reimbursement or Monthly Snack Delivery

Company & Team retreats to get together for fun and collaboration

Team Member Co-Working and Gathering Expense

MacBook Pro & WFH Stipend to make sure you are set up for success

Weekly $50 Uber Eats credit

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