Director, Blockchain Security Auditor
at Fidelity Investments
Posted 6 days ago
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- Compensation
- Not specified USD
- City
- Not specified
- Country
- United States
Currency: $ (USD)
Director-level role focused on securing Fidelity's blockchain initiatives. The candidate will perform smart contract reviews (Ethereum/Solidity, Rust, Solana) with hands-on auditing experience, guide secure development practices, and contribute to cybersecurity strategies across emerging technologies. Responsibilities include researching best practices, monitoring vulnerabilities, and developing training materials, while partnering with Enterprise Cybersecurity to enhance Fidelity’s security posture. This is a high-visibility individual contributor role requiring strong technical acumen and cross-functional collaboration.
Job Description:
Job Title Director, Blockchain Security Auditor- Ethereum / Solidity / Rust / Solana
The Role
We are seeking a seasoned and visionary blockchain security auditor to help secure our blockchain and crypto initiatives. The ideal candidate will have deep expertise in Ethereum and Solidity, along with experience in other platforms like Rust and Solana, and at least one year of hands-on auditing experience. While knowledge of other emerging technologies—such as AI security, gaming platforms, software bots, and social media—is a plus, it’s not required. This high-visibility, individual contributor role demands strong technical acumen, strategic thinking, and cross-functional collaboration.
As part of a team of subject matter experts, the auditor will guide secure development practices, perform smart contract reviews, and contribute to cybersecurity strategies across emerging technologies. Responsibilities include staying current with technological advancements, researching and documenting best practices, monitoring vulnerabilities, and developing training materials. The role also involves partnering with Enterprise Cybersecurity teams to enhance Fidelity’s overall security posture.
The Expertise You Have and The Skills You Bring
Bachelor’s degree in Computer Science, Cybersecurity, or a related analytical field; advanced degree preferred
8+ years of experience in emerging technologies
1+ year of hands-on smart contract security audit experience
Proven experience in smart contract assessments
Deep knowledge of libraries, templates, and protocols (e.g., OpenZeppelin, Web3.js)
Proficiency in testing methodologies: unit testing, property-based testing, dynamic testing, fuzzing (e.g., Truffle, Ethers.js)
Familiarity with monitoring tools, alerts, and logging mechanisms
Experience with development platforms such as Hardhat, Foundry, or Forge
Strong understanding of crypto audit operations and security requirements
Expertise in key sharding algorithms and multi-party computation (MPC)
Key lifecycle management and digital wallet security
Secure storage, transfer, and exchange of digital assets
Experience with custody platforms such as Fireblocks
Advanced knowledge of programming languages: Solidity, Rust, Python
Familiarity with blockchain platforms: Ethereum, Solana, Avalanche
Understanding of DeFi operations, staking, node operations, tokenization, and ERC-20 standards
Preferred experience includes: Exposure to generative AI, software bots, multi-user platforms, games, and social media applications; Experience with security testing, vulnerability assessments, penetration testing; Familiarity with cloud security platforms (e.g., AWS, Azure)
The Team
The Emerging Technology Cybersecurity Assessment Team plays a critical role in safeguarding Fidelity’s assets and customer interests by proactively identifying and mitigating vulnerabilities. Through collaboration, innovation, and subject matter expertise, the team empowers developers and business units with training and tools to seamlessly integrate security throughout the development lifecycle. Committed to excellence, the team strives to be best-in-class—producing high-quality, customer-focused work, driving cybersecurity research, and serving as a role model across the enterprise and industry, ultimately providing a competitive edge for the firm.
Certifications:
Category:
Information TechnologyMost roles at Fidelity are Hybrid, requiring associates to work onsite every other week (all business days, M-F) in a Fidelity office. This does not apply to Remote or fully Onsite roles.
Please be advised that Fidelity’s business is governed by the provisions of the Securities Exchange Act of 1934, the Investment Advisers Act of 1940, the Investment Company Act of 1940, ERISA, numerous state laws governing securities, investment and retirement-related financial activities and the rules and regulations of numerous self-regulatory organizations, including FINRA, among others. Those laws and regulations may restrict Fidelity from hiring and/or associating with individuals with certain Criminal Histories.
Company overview
At Fidelity, we are passionate about making our financial expertise broadly accessible and effective in helping people live the lives they want! We are a privately held company that places a high degree of value in creating and nurturing a work environment that attracts the best talent and reflects our commitment to our associates. We are proud of our diverse and inclusive workplace where we respect and value our associates for their unique perspectives and experiences. For information about working at Fidelity, visit FidelityCareers.com. Fidelity Investments is an equal opportunity employer. Fidelity will reasonably accommodate applicants with disabilities who need adjustments to complete the application or interview process.
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About Fidelity
Join us
At Fidelity, you’ll find endless opportunities to build a meaningful career that positively impacts peoples’ lives, including yours. You can take advantage of flexible benefits that support you through every stage of your career, empowering you to thrive at work and at home. Honored with a Glassdoor Employees’ Choice Award, we have been recognized by our employees as a Best Place to Work in 2026. And you don’t need a finance background to succeed at Fidelity—we offer a range of opportunities for learning so you can build the career you’ve always imagined.
Fidelity's working model blends the best of working offsite with maximizing time together in person to meet associate and business needs. Currently, most hybrid roles require associates to work onsite all business days of one assigned week per four-week period (beginning in September 2024, the requirement will be two full assigned weeks).
We invite you to Find Your Fidelity at fidelitycareers.com.
Fidelity Investments is an equal opportunity employer. We believe that the most effective way to attract, develop and retain a diverse workforce is to build an enduring culture of inclusion and belonging.
Fidelity will reasonably accommodate applicants with disabilities who need adjustments to participate in the application or interview process. To initiate a request for an accommodation, contact the HR Accommodation Team by sending an email to accommodations@fmr.com, or by calling 800-835-5099, prompt 2, option 3.
At Fidelity, we value honesty, integrity, and the safety of our associates and customers within a heavily regulated industry. Certain roles may require candidates to go through a preliminary credit check during the screening process. Candidates who are presented with a Fidelity offer will need to go through a background investigation and may be asked to provide additional documentation as requested. This investigation includes but is not limited to a criminal, civil litigations and regulatory review, employment, education, and credit review (role dependent). These investigations will account for 7 years or more of history, depending on the role. Where permitted by federal or state law, Fidelity will also conduct a pre-employment drug screen, which will review for the following substances: Amphetamines, THC (marijuana), cocaine, opiates, phencyclidine.
Benefits that adapt to everything life sends your way
401(k) with company match
Medical, dental, vision and prescription drug coverage
16-week maternity leave & 12-week parental leave
Student loan assistance
Fidelity is invested in you
Committed to Professional Development
At Fidelity, we are constantly adapting to the changing needs of our customers, new technologies, and better ways of working. And we empower our employees to do the same, with an emphasis on developing skills and connections that will help propel you forward in your career while being able to make an impact for Fidelity’s customers around the world.
We offer a wide range of options for professional development including online, in-person, and mentor driven solutions. Special interest and networking groups are also part of our culture of empowerment, personal and professional enrichment, diversity and inclusion, and knowledge sharing.
Continuing Education & Training
- Assess, build, and align your development plan through resources like our skill-building classroom and online courses.
- Video-based training for technology, leadership, management & more.
- Ongoing skills development and coaching opportunities.
- Paid training with a facilitator who is dedicated to your onboarding and will track and evaluate your progress, giving you strategies to improve.
- A range of talent development programs to support career mobility.
Mentoring
- Utilize the skills of experienced leaders to enrich your career.
- Dedicated mentors to help you grow into new areas of Fidelity’s business as you develop new skills.
- An open atmosphere of knowledge sharing and collaboration.
- Opportunities to pay it forward, sharing the knowledge you develop and as you help others define how they want their career to take shape.
Our Commitment
Discover opportunities to build a fulfilling career within a supportive culture that celebrates individuality. We empower our associates to pursue career paths that align with their unique goals and personalities.
Giving back to our communities
Throughout Fidelity, you’ll find a genuine commitment to social responsibility – where we strive to make an impact for customers, while also making an impact on the world.
Fidelity Cares
- Provides associates with opportunities to actively volunteer and share their talents.
- Hosts numerous company-wide volunteer events (in-person and virtual).
- Partners with nonprofit organizations to support our local communities.
- More than 12,500 associates donate time annually – from interns to SVPs.
- Impact includes refurbishing schools, donating books and supplies, and teaching financial literacy.
Fidelity Charitable®
- Created to make it easy for people to support charitable organizations they care about.
- Helped deliver $14.9billion in donor-recommended grants to charity in 2024.
- Supported more than 433,000 unique charities around the world.
- Since its inception, more than $100 billion has been given to public charities.
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