Principal Security Engineer, Security

Circle, a leading financial technology company at the forefront of the emerging internet of money, strives to revolutionize global value transfer, enabling instant, cost-effective transactions on a global scale. This forward-thinking approach paves the way for groundbreaking opportunities in payments, commerce, and markets, fostering economic growth and inclusivity worldwide. Leveraging innovative infrastructure such as USDC, a blockchain-based dollar, Circle empowers businesses, institutions, and developers to seize the potential of this transformative era in technology and finance.

Join Our Team:

At Circle, we emphasize transparency, stability, and growth in all aspects of our operations. As we expand our reach to some of the most robust jurisdictions globally, our dedicated team aligns with our core values of Multistakeholder approach, Mindfulness, pursuit of Excellence, and unwavering Integrity. Working collaboratively in a dynamic remote setting, we cultivate a diverse and flexible work environment that encourages innovation and fosters a culture where everyone has a stake.

Role Summary:

Circle is in search of a dedicated Principal Security Engineer specializing in Product and Blockchain Security to lead the implementation of technical strategies, innovative tools, and processes. Collaborating closely with Engineering, Infrastructure, and IT teams, you will be instrumental in securing our cloud operations, software development, and device fleet.

Key Responsibilities:

• Work alongside product management and software engineering teams through all Software Development Life Cycle (SDLC) phases to ensure secure design and implementation of applications.
• Conduct vulnerability assessments on web3 and web2 applications and underlying systems using tools and manual methods, overseeing the resolution of identified issues.
• Propose code modifications to mitigate vulnerabilities and enhance application security.
• Automate security testing within the CI/CD pipeline for efficient integration.
• Assist in the development of secure coding standards and training materials tailored to reinforce secure coding practices.
• Explore vulnerabilities specific to blockchain technologies and integrate this knowledge into overall security protocols at Circle.
• Act as a point of escalation for investigating security alerts and incident detection.
• Manage external vendors for penetration tests and other security-related initiatives.
• Drive continuous enhancement of the application security program and support diverse security projects within the team.

Key Qualifications:

• Minimum of 7 years of experience in cybersecurity.
• Substantial background as a cybersecurity leader and engineer, with a focus on project management and resolution development.
• Enthusiasm for software security protocols and vulnerability assessment.
• Expertise in common attack methodologies and conducting penetration tests.
• Experience designing secure software features like access control, logging, input validation, and session management.
• Proficiency in automating security tests within CI/CD pipelines.
• Familiarity with cloud platforms like AWS and GCP.
• Hands-on experience with Blockchain technologies such as Ethereum, Bitcoin, and Solana.
• Understanding of public and private key cryptography.
• Strong problem-solving skills, creativity, and ability to work independently.
• Demonstrated ability to collaborate effectively within global teams.
• Ability to prioritize tasks effectively and adapt to evolving priorities.
• Previous experience in financial services or financial technology is desirable.
• Bachelor's degree in relevant field or equivalent experience.
• Certifications like CISSP, CEH, are advantageous.
• Proficiency in Solidity, Rust, Go, JSON, and/or Python is a plus.
• Prior experience in remote environments preferred.
• Willingness to travel for work engagements when necessary.

Additional Details:

This role offers PERM sponsorship eligibility from day one for qualified candidates.

Circle promotes an inclusive work environment, emphasizing transparency in remuneration structure and merit-based compensation packages. Compensation is determined based on various factors like experience, skills, and organizational requirements, which may vary according to location.

Base Pay Range: $200,000 - $257,500 Annual Bonus Target: 17.5% Benefits: Equity, Medical, Dental, Vision, 401(k), Paid Time Off, Paid Sick Leave, and Paid Holidays in the U.S.

Circle is committed to diversity and equal opportunity employment, maintaining a workplace free from discrimination based on various factors including race, religion, gender, age, marital status, nationality, sexual orientation, veteran status, or disability. Additionally, Circle complies with the E-Verify Program where mandated by law.

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