Principal Security Engineer, Blockchain Security Expert

3 days ago

Austin, Texas, United States Circle Full time
About Circle

Circle is a pioneering financial technology company at the forefront of the emerging internet of money, where value can flow freely and securely across borders, in real-time, and with minimal costs.

Our innovative infrastructure, including the blockchain-based USDC, empowers businesses, institutions, and developers to harness the transformative power of this new internet layer and capitalize on the major turning point in the evolution of money and technology.

We're committed to transparency, stability, and excellence in everything we do, and we're expanding into some of the world's strongest jurisdictions.

What You'll Be Part Of

Circle is a company that values diversity, inclusivity, and collaboration. We're a remote-first organization that fosters a flexible and diverse work environment where new ideas are encouraged, and everyone is a stakeholder.

We live by our company values: Multistakeholder, Mindfulness, Driven by Excellence, and High Integrity. Our team is driven by a passion for customer success and a relentless pursuit of excellence.

What You'll Be Responsible For

We're seeking a highly skilled Principal Security Engineer with expertise in Product and Blockchain Security to help drive and implement technical strategies, innovative tooling, research, and processes.

You'll work closely with our Engineering, Infrastructure, and IT teams to ensure the security and integrity of our cloud operations, software development, fleet of devices, and endpoints.

Key Responsibilities
  1. Collaborate with product management and software engineering teams to ensure secure design and implementation of applications throughout the SDLC.
  2. Test web3 and web2 applications and underlying systems for vulnerabilities using tools and manual techniques, and manage the remediation of findings.
  3. Recommend code changes to eliminate vulnerabilities and automate security tests within the CI/CD pipeline.
  4. Develop secure coding standards and training materials based on findings seen in Circle's environment to empower engineers to write more secure code.
  5. Research vulnerabilities specific to blockchain technologies and incorporate this knowledge into Circle's security practices.
  6. Serve as an escalation point to investigate security alerts and identify incidents.
  7. Investigate vulnerability reports related to Circle products and systems.
  8. Manage vendors to conduct penetration tests and other security-related projects.
  9. Influence the continuous improvement of the application security program.
  10. Support other security team projects such as threat modeling, vulnerability scanning, and audits.
What You'll Bring

We're looking for a highly motivated and experienced security professional with a strong background in cybersecurity, blockchain security, and software development.

Key qualifications include:

  • 7+ years of total experience in a cybersecurity role.
  • 4+ years of experience as a security engineer leading and driving projects and developing resolutions in cybersecurity.
  • Enthusiasm for securing and breaking software.
  • Experience with common attack techniques and conducting penetration tests.
  • Experience designing software security features, including access control, logging, and monitoring.
  • Experience automating security tests in CI/CD pipelines.
  • Experience working on applications deployed within AWS and GCP.
  • Experience working with blockchains such as Ethereum, Bitcoin, and Solana.
  • Working knowledge of public and private key cryptography.
  • Demonstrated familiarity with techniques for making software robust against common attacks.
  • Self-motivated and creative problem-solver able to work independently with minimal guidance.
  • Demonstrated ability to work collaboratively across geographically distributed teams.
  • Ability to manage multiple competing priorities and use good judgment to establish order of priorities on the fly.
  • Experience working in financial services or financial technology desired.
  • Bachelor's degree in computer science, computer engineering, cybersecurity, or related field. Equivalent experience also accepted.
  • Certifications such as CISSP, CEH, or similar will receive favorable consideration but are not required.
  • Experience with at least several of the following is highly desirable: Solidity, Rust, Go, Move, JSON, and Python.
  • Previous experience working in a remote environment is preferred.
  • An appetite for work travel when needed.
Additional Information

This position is eligible for day-one PERM sponsorship for qualified candidates.

Circle is an equal opportunity employer and values diversity at Circle. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

We participate in the E-Verify Program in certain locations, as required by law.

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