Executive Assistant to the CEO & Chief of Staff - 890

Role overview

Quantinuum is hiring an Executive Assistant to the CEO & Chief of Staff for its Broomfield, Colorado location. This is a high-visibility position for an experienced professional who can support senior leadership in a fast-moving, complex, and rapidly scaling environment.

The company prefers employees to be based at their assigned location to encourage close collaboration and quicker decision-making. For this role, remote work may be allowed for up to two days each week, subject to approval.

Quantinuum is a newly public, high-growth deep technology company that is expanding its global headcount, operational reach, and customer relationships after a successful IPO. The organization is building the systems, processes, and infrastructure needed to sustain long-term growth.

What you will do

In this role, you will support the CEO and Chief of Staff while also leading the Executive Assistant function across the company. You will act as a strategic partner to the executive office, manage complex priorities, coordinate global activities, support Board interactions, and help improve executive operations.

• Handle highly complex calendars, competing demands, and strategic scheduling for the CEO and Chief of Staff.
• Organize domestic and international travel, often with short notice, including itineraries, logistics, briefing materials, and backup plans.
• Develop executive meeting agendas, briefing packs, presentations, and follow-up items.
• Protect the CEO’s time by acting as a trusted advisor and gatekeeper focused on top priorities.
• Identify potential issues in advance and recommend practical solutions in a changing environment.
• Set direction for the company’s Executive Assistant team by defining standards, workflows, and best practices.
• Coach and support EA team members while promoting professionalism, responsiveness, and teamwork.
• Improve consistency and efficiency in executive support as the business grows.
• Work with senior leaders to strengthen executive operations and support scaling needs.
• Assist the CEO, Chief of Staff, and Corporate Secretary with Board and committee meeting planning and execution.
• Coordinate logistics, documents, communications, and preparation for the independent Board of Directors.
• Maintain strict confidentiality and professionalism in all Board-facing interactions.
• Support Board travel, scheduling, and follow-up actions.
• Serve as a main contact for internal and external stakeholders interacting with the CEO’s office.
• Build strong working relationships with executive offices at customer, partner, investor, government, and peer organizations.
• Communicate confidently with CEOs, Board members, investors, and other senior executives.
• Help coordinate executive events, leadership offsites, customer meetings, and other strategic initiatives.
• Lead special projects and cross-functional work on behalf of the CEO and Chief of Staff.
• Handle confidential and sensitive information with exceptional discretion.
• Bring order to ambiguity while maintaining strong attention to detail.
• Support the expansion of executive office processes as the company continues to grow.

Required qualifications

• A bachelor’s degree is required.
• At least 10 years of experience supporting C-level leaders, including substantial support for a CEO or similar senior executive.
• Background in a publicly traded organization, ideally during rapid growth, transformation, or post-IPO scaling.
• Direct experience supporting Board of Directors work and executive governance processes.
• Proven ability to manage complex travel arrangements across domestic and international destinations.
• Experience leading or coordinating executive support teams.
• Strong organizational, communication, and project management capabilities.
• Confident executive presence, sound judgment, and strong interpersonal skills.
• Ability to perform well under pressure and adjust quickly to shifting priorities.
• High integrity and absolute discretion in dealing with sensitive information.
• Advanced skill with Microsoft Office, Outlook, PowerPoint, Teams, and related collaboration tools.
• Because of contractual requirements, applicants must be a U.S. Person, meaning a U.S. citizen, permanent resident/green card holder, or a person granted asylum or refugee status.

Preferred background

• Experience in technology, deep technology, engineering, semiconductor, AI, quantum computing, aerospace, advanced manufacturing, or a similar innovation-led industry.
• Exposure to executive interactions with investors, analysts, and public company stakeholders.
• Experience working with leadership teams spread across multiple geographies.

Benefits and compensation

The role offers a competitive salary, meaningful work in an innovative environment, and a flexible work schedule.

• Employer-subsidized health, dental, and vision insurance
• 401(k) match for student loan repayment benefit
• Equity and a 401(k) retirement savings plan
• 12 paid holidays
• Generous vacation and sick leave
• Paid parental leave
• Employee discounts

Compensation for this position is paid on an annual basis. The expected salary range is $80,000 to $120,000 per year, with actual pay depending on skills, education, experience, and other relevant qualifications.

Other information

This position is not incentive eligible. Applications are accepted continuously, and there is no deadline to apply.

The employer states that it may use AI tools during parts of the hiring process, such as reviewing applications, analyzing resumes, checking responses, and identifying potential inconsistencies or verification signals. These tools support the recruitment team but do not replace human judgment. Final hiring decisions are made by people. Candidates who want more information about data processing can contact the company.

Quantinuum is an equal opportunity employer and considers applicants 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. Workplace discrimination is illegal.

Quantinuum is the world leader in quantum computing. Its systems deliver top performance across industry benchmarks, and its more than 650 employees, including over 400 scientists and engineers across the US, UK, Germany, and Japan, are helping drive the quantum computing revolution. By combining best-in-class software with high-fidelity hardware, the company’s full-stack approach is accelerating practical quantum computing across multiple industries. Joining the team means contributing to a transformative technology shift and helping shape the future of the field.