Salary Range: 132000 to 178000 (Currency: USD) (Pay period: per-year-salary)

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.

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 operatesacross 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 Employment Opportunity

Quantinuum is an equal opportunity employer. We make employment decisions based on job-related qualifications and business needs, without regard to race (including traits historically associated with race, such as hair texture and protective hairstyles), color, religion, creed, sex, pregnancy, childbirth or related medical conditions, sexual orientation, gender, gender identity or expression, national origin, ancestry, citizenship or immigration status, age, physical or mental disability, serious medical condition, genetic information, marital status, spousal affiliation, military status, protected veteran status, or any other characteristic protected by applicable federal, state, or local law. Consideration of citizenship or immigration status is limited to cases where a law, regulation, executive order, or government contract requires it.

Quantinuum is a federal contractor and provides equal employment opportunity to qualified individuals with disabilities and protected veterans.

We provide reasonable accommodations for disabilities, serious medical conditions, pregnancy-related needs, and sincerely held religious beliefs. To request an accommodation at any stage of the application or interview process, contact [email/link].

Know Your Rights: Workplace discrimination is illegal. [https://www.eeoc.gov/poster]

Export Control Notice (U.S. Positions)

Some Quantinuum positions involve access to technology or software subject to U.S. export control laws, including the Export Administration Regulations. For these positions, Quantinuum may need to obtain U.S. government authorization, such as an export license, before a candidate who is not a “U.S. person” can access controlled technology. “U.S. persons” include U.S. citizens and nationals, lawful permanent residents, and individuals granted asylum or refugee status. Quantinuum may ask candidates for information needed to determine whether authorization is required. Any hiring decision on this basis will turn on whether required authorization can be obtained. Quantinuum does not otherwise consider citizenship, immigration status, or national origin.

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.

Quantinuum

Software-Focused Systems Engineer

About the Job

Requirements

Responsibilities

Desired Qualifications

Key Responsibilities:

YOU MUST HAVE:

WE VALUE:

About the Company

Quantinuum

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