We are seeking a Software-Focused Systems Engineer in our Broomfield, CO location to translate stakeholder needs into verifiable requirements and guide software-intensive systems from concept through integration, operation, and validation. This role combines requirements engineering, system modeling, interface definition, troubleshooting, change analysis, risk management, V&V support, and limited software development. This role offers the opportunity to work on a hybrid schedule. Employees are expected to work at their assigned location and may work remotely up to 2 days per week, with approval.   All applicants for placement in safety-sensitive positions will be required to submit to a pre-employment drug test.

Key Responsibilities:

• Translate stakeholder needs into clear, testable system and software requirements with end-to-end traceability.
• Develop functional flows, block definition diagrams, behavioral models, system architectures, and Interface Control Documents.
• Allocate requirements and functions across software, hardware, users, and external systems.
• Assist troubleshooting by reproducing failures, analyzing logs and system behavior, isolating causes across subsystem boundaries, and recommending corrective actions.
• Perform change-impact analysis across requirements, architecture, interfaces, implementation, risks, and verification.
• Advise V&V teams on acceptance criteria, test coverage, failure scenarios, and expected system behavior.
• Lead or support FMEAs, define mitigations, assess residual risk, and ensure mitigations are implemented and verified.
• Support design, integration, technical reviews, defect investigations, and release-readiness decisions.
• Develop prototypes, simulations, test tools, or production software when needed to reduce technical risk or support delivery.
• Provide technical leadership and mentor junior software developers and systems engineers through design guidance, artifact and code reviews, troubleshooting support, and knowledge sharing.
• Promote consistent engineering practices for requirements, system modeling, software design, verification, risk management, and technical decision documentation.

YOU MUST HAVE:

• Minimum of a bachelor’s degree
• Minimum 8+ years of combined software engineering and systems engineering experience, with demonstrated responsibility in both disciplines.
• Minimum 3+ years of experience developing requirements, system models, interfaces, and verification criteria.
• 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.

WE VALUE:

• Master’s degree in systems engineering, software engineering, computer science, related field, or equivalent experience preferred.
• Experience troubleshooting complex-integrated systems using logs, test evidence, software behavior, and structured root-cause analysis.
• Working knowledge of software architecture, APIs, source code, configuration, and system integration.
• Strong technical analysis, collaboration, and communication skills.
• Experience with SysML, model-based systems engineering, and system-modeling tools.
• Experience supporting FMEAs and reliability analyses.
• Software-development or prototyping experience.
• Experience with automated testing, GitHub, CI/CD, Robot Framework, Cypress, or JFrog Artifactory.

This position is Bonus and Equity Eligible

The base pay range for this role is $132,000 – $178,000 annually. Actual compensation within this range may vary based on the candidate's skills, educational background, professional experience, and unique qualifications for the role. 

Quantinuum is a leading quantum computing company delivering a full stack platform designed to make quantum computing deployable in real-world environments. With active engagements spanning pharmaceuticals, material science, financial services, government, industrial sectors, and leading academic and research institutions worldwide, we are helping organizations unlock the transformative potential of quantum computing. 

Our global team of more than 800 employees includes many of the world's leading scientists, engineers, and researchers, with more than 70% of our technology team holding advanced degrees at the Master's or PhD level. Headquartered in Broomfield, Colorado, Quantinuum operates across the United States, United Kingdom, Germany, Japan, and Singapore. 

By joining Quantinuum, you’ll help shape the future of quantum computing, pushing the limits of technology, and making the impossible possible.

What’s in it for you?

We believe our people are our greatest strength and offer a comprehensive rewards package that supports your professional growth, well-being, and long-term success.

• Competitive compensation and the opportunity to work on groundbreaking technology
• Flexible work arrangements that support work-life balance
• Employer-subsidized medical, dental, and vision insurance
• 401(k) retirement savings plan with company match and student loan repayment benefit
• Equity opportunities
• Generous paid time off, sick leave, and 12 paid holidays annually
• Paid parental leave
• Employee discount programs 

Equal Opportunity Employer

Quantinuum is proud to be an equal opportunity employer. We are committed to building an inclusive workplace where all employees and applicants are treated with respect and provided equal opportunities regardless of race, color, religion, sex, sexual orientation, gender identity or expression, national origin, age, disability, veteran status, ancestry, marital status, or any other characteristic protected by applicable law.

Know Your Rights: Workplace discrimination is illegal. For more information about Quantinuum, please visit our website. 

We are committed to making our recruitment process accessible to all. If you require any reasonable adjustments at any stage of the application or interview process, please let us know use the Lets talk contact form. 

Applications will be accepted on an ongoing basis, there is no application deadline for this position.