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Salary
$132k – $178k per year
Location
Hybrid (Broomfield, United States)
Seniority
Middle · 3+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 19, 2026. First seen by Alion on Sep 22, 2026. Quantinuum scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Headquartered in Broomfield, Colorado, Quantinuum is a full-stack quantum computing company formed through the merger of Honeywell Quantum Solutions and Cambridge Quantum. The firm develops trapped-ion quantum hardware alongside specialized software platforms, including quantum chemistry engines, compiler toolkits, and quantum-cybersecurity applications.

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.
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