Director, Security Architecture & Assurance - 643

We are seeking a Director of Security Architecture & Assurance for our Broomfield, CO location. Quantinuum believes that employees work better, more efficiently and more collaboratively in close proximity to other employees, where ideas can be exchanged readily, and decisions can be made more quickly for the benefit of the Company and our customers. All employees should work at their assigned location; however, this role may offer the opportunity to work hybrid up to 2 days per week or work remotely, with approvals.

The Director of Security Architecture and Assurance is a senior leadership role responsible for shaping the organization’s security architecture strategy and ensuring the effectiveness of its assurance programs. This individual will oversee the design, implementation, and validation of security controls across enterprise systems, applications, and cloud environments. The role requires a visionary leader who can balance business objectives with robust security practices, ensuring compliance with regulatory frameworks and resilience against evolving threats.

Key Responsibilities:

The Director will lead team members and manage processes and technologies situated across North America, Europe, and Asia.

• Define and maintain the enterprise security architecture roadmap aligned with organizational goals and regulatory frameworks.
• Lead the development of secure design principles for infrastructure, applications, and cloud adoption.
• Establish assurance frameworks to validate security controls and compliance.

• Develop and enforce security policies, standards, and guidelines.
• Partner with risk and compliance teams to address regulatory requirements and frameworks (e.g., NIST CSF, CIS CSC18, ISO 27001, SOC 2, GDPR, HIPAA).
• Conduct threat modeling and risk assessments, providing executive-level reporting on security posture.

• Oversee security architecture reviews for new initiatives and third-party integrations.
• Lead assurance activities including audits, penetration testing, and continuous monitoring of the attack surface.
• Drive automation and innovation in assurance processes to improve efficiency and reduce time-to-delivery.

• Act as a trusted advisor to executives and stakeholders on security risks and investments.
• Collaborate with IT, engineering, and product teams to embed security into digital transformation projects.
• Represent the organization in industry forums and regulatory discussions.

• Build, mentor, and lead a team of security architects, application security analysts, and assurance professionals.
• Foster a culture of accountability, innovation, and continuous improvement.

• High School Diploma/GED minimum
• Minimum 10+ years of experience in security architecture, application security/development or network architecture.
• Due to Contractual requirements, must be a U.S. Person defined as, U.S. citizen permanent resident or green card holder, workers granted asylum or refugee status.
• Due to national security requirements imposed by the U.S. Government, candidates for this position must not be a People's Republic of China national or Russian national unless the candidate is also a U.S. citizen. 

• Bachelor's degree preferred
• Prior law enforcement and security operations experience is strongly preferred
• Excellent communication skills to allow for communication on security topics to a broad set of stakeholders and external partners.
• Proven leadership and program management experience

Quantinuum is the world leader in quantum computing. The company’s quantum systems deliver the highest performance across all industry benchmarks. Quantinuum’s over 650 employees, including 400+ scientists and engineers, across the US, UK, Germany, and Japan, are driving the quantum computing revolution.

By uniting best-in-class software with high-fidelity hardware, our integrated full-stack approach is accelerating the path to practical quantum computing and scaling its impact across multiple industries.

By joining Quantinuum, you’ll be at the forefront of this transformative revolution, shaping the future of quantum computing, pushing the limits of technology, and making the impossible possible.

What’s in it for you?

A competitive salary and innovative, game-changing work

Flexible work schedule

Employer subsidized health, dental, and vision insurance

401(k) match for student loan repayment benefit

Equity, 401k retirement savings plan + 12 Paid holidays and generous vacation + sick time

Paid parental leave

Employee discounts

Quantinuum is an equal opportunity employer. You will be considered without regard to age, race, creed, color, national origin, ancestry, marital status, affectional or sexual orientation, gender identity or expression, disability, nationality, sex, or veteran status. Know Your Rights: Workplace discrimination is illegal