Principal Systems Engineer

Science Led, Enterprise Driven – Accelerating Quantum Computing

Quantinuum is the world’s largest integrated quantum company, pioneering powerful quantum computers and advanced software solutions. Quantinuum’s technology drives breakthroughs in materials discovery, cybersecurity, and next-gen quantum AI. With approximately 500 employees, including 370+ scientists and engineers, Quantinuum leads the quantum computing revolution across continents.

We are seeking a highly qualified Principal Systems Engineer for our Broomfield, CO or Minnesota locations who is well versed in systems engineering tools and processes to perform system-level trades, requirements development & flow down, system interface development, performance assessment, integration & test, verification, and validation. The desired candidate would have knowledge in lasers, optics, integrated photonics, atomic physics, spectroscopy, mechanical and electrical Engineering, vacuum science.

Key Responsibilities:

• Lead all aspects of system engineering for large scale, commercial quantum computers, ensuring all subsystems work cohesively and meet performance requirements.
• Partner with physics teams to ensure that requirements for engineered systems are understood, mutually compatible, and complete.
• Develop and oversee the end-to-end system design, focusing on scalability, reliability, and system performance.
• Work closely with quantum physicists, electrical engineers, mechanical engineers, and software developers to align cross-functional goals.
• Define and manage system requirements, specifications, and engineering documentation.
• Develop and execute system engineering artifacts for system verification and validation, including risk assessment and mitigation strategies.
• Guide technical decisions throughout the product lifecycle, from concept to deployment, ensuring on-time delivery.
• Drive continuous improvement in system development processes, tools, and methodologies to ensure the highest quality and reliability.
• Lead trade studies to assess system architectures and guide the selection of technologies and vendors.
• Communicate complex technical concepts to both technical and non-technical stakeholders, ensuring clear understanding and buy-in.
• Mentor junior engineers.

YOU MUST HAVE:

• Bachelor’s degree minimum.
• Minimum 8+ years of experience in system engineering, hardware design, or system integration roles.
• Due to contractual requirements, must be a U.S. Person, defined as a U.S. citizen, permanent resident or green card holder, or workers granted asylum or refugee status.

We VALUE:

• Master’s Degree/Ph.D. in Engineering or related technical field.
• Proven experience in system engineering or system architecture of highly complex, large-scale technologies (e.g., spacecraft, quantum computers, or other deep physics, multidisciplinary systems).
• Quantum aptitude, experience, or deep academic exposure to quantum technologies.
• Ability to deconstruct highly complex systems into clear and comprehensible constituent pieces and work packages.
• Strong background in requirements engineering, system verification, and validation processes.
• Experience leading multi-disciplinary teams and integrating mechanical, electrical, and software systems.
• Proficiency in system modeling, simulations, and analysis tools.
• Experience with wafer fabrication processes and photonics.
• Knowledgeable of optical design engineering and optical tolerancing analysis.
• Demonstrated leadership skills.
• Experience with requirements management via Cameo MBSE.
• Experience with MATLAB, C++ or related languages.
• Proficient in Python.
• Knowledge of cryogenic systems, ion-trapping techniques, or quantum computing principles is a plus.
• Ability to build strong relationships and effectively partner with others.
• Strong verbal and written communication skills.
• Candidates should expect to be immersed in a fast-paced, team-based, and challenging technical environment where an individual with talent and initiative can stand out and thrive.

Compensation & Benefits:

• Incentive Eligible.
• Range posted is inclusive of bonus target when applicable.
• Estimated Salary Wage: $180,000 - $220,000 Annually.
• A competitive salary and innovative, game-changing work.
• Flexible work schedule.
• Employer subsidized health, dental, and vision insurance.
• 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.