Thermal Engineer - Space Payload Design, Analysis and Modeling

Infleqtion is a global quantum technology company solving the world’s most challenging problems. The company harnesses quantum mechanics to build and integrate quantum computers, sensors, and networks. From fundamental physics to leading edge commercial products, Infleqtion enables “quantum everywhere” through our ecosystem of devices and platforms.

Infleqtion has 6 office locations,operatingoutof Boulder/Louisville, CO;
Madison, WI;
Chicago, IL;

Oxford, UK; and Melbourne, AU.This position is a full-time, hybrid position which willbe located inour

Louisville, COoffice.

Infleqtion isseekinga highly experienced thermal analyst; this roleis responsible for keeping our sensor head andelectronicstemperature limits in check when performing physics sequences enabling quantum sensing operations in space.

Therole requires close collaboration withour prime customer(s), internal management, researchers, systems engineers, aerospace experts, manufacturing partners, suppliers, and external subcontractors. The individual will actively engage customers and partners throughout the program lifecycle, ensuring delivery against milestones and commitments whilemaintainingalignment with Infleqtion’sinternal product lifecycle and quality standards. Cross-disciplinary engagement is expected, with this role driving technical alignment across hardware, software, systems, and mission domains.

Up to 10% travelmay berequiredto support off-site testing, deliveries, and integration.

• Update the existing system-level thermal model with the appropriate fidelity to ensure the physics sequenceoperateswithin space environmental constraints
• Conduct regular technical discussions and model reviews of in-house and subcontractor electronic card and enclosure cooling designs, including some of them which have unique thermal requirements
• Develop and test EDU thermal designs for microgravity environments
• Adapt flight thermal designs for microgravity testing
• Serve as a hands-on engineer with experience building both EDU and flight hardware
• Install MLI and bond heaters and thermistors using ASTM-E595 approved materials
• Presenting progress and results tosenior management andthe end customer
• Execution of modelling, simulation, and analytical effortsrequiredto enable product performance
• Integration of subsystems and their thermal requirements / interfaces
• Identifying and engaging key suppliers
• Following Infleqtion’sProduct Lifecycle Process and supporting Phase gate reviews, critical design reviews, and executive updates
• Supporting development of risk management plans and risk resolution, and supporting reliability analysis and continuous improvement
• Coaching and mentoring junior engineers
• Other duties as assigned or required

• Bachelor’s degree required, with a focusinthermal design or a related engineering field
• 6+ years of relevant and progressive experience in similar roles
• Hands on engineer with experience building both EDU and flight hardware
• Experience installing MLI, bonding of heaters and thermistors using ASTM-E595 approved materials
• Leverages AI appropriately; understands limitations of current offerings
• Excellentproficiencyin design first principles
• Expert level understanding of opto-mechanics, including free space optical mounting, collimator design, freespaceand fiber coupled alignment design and tolerancing
• Demonstrated Dfx(design to costetc.)
• Understanding of ASTM E595 – how to choose materials for space
• Experience designing custom flexure mounts for both optics and instruments
• Tolerance analysis
• Hands on engineer with experience building both EDU and flight hardware
• Uses AI appropriately for leverage; understands limitations of current platforms
• Ability to travel domestically and…