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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Test Engineer for Photonics Physics Package - 970 - **Company:** Quantinuum LLC - **Location:** Broomfield, CO, United States - **Salary:** $131,000.0 - $176,000.0 - **Contract:** Permanent contract - **Skills:** 3d Models, Computer-Aided Design, Data Analysis, Automation of Tests, Network Analysis, Iterative and Incremental Development, Python (Programming Language), Quantum Computing, Visual Systems, Helios, Hardware Testing, Computer Equipment, Programming Languages - **Published:** October 31, 2026 - **Apply:** https://www.careerbuilder.com/job-details/test-engineer-for-photonics-physics-package-970-broomfield-co--e6d3531f-1f11-44d4-9a36-c7f1bb87421b ## About the Role Testing, Photonics, Physics, Testing, Photonics, Physics, Quantum Computing, Computer Hardware, Research & Development (R&D), Collocation, * Bachelor's degree minimum * Minimum 4 years' experience (advanced degree inclusive) in hardware building, integration, and test in one or more of the following areas: ultrahigh vacuum systems, cryogenic systems, coherent optical systems, integrated photonics systems * Minimum 2 years' experience (degree inclusive) in python programming or related language * Minimum 3 years' experience (advanced degree inclusive) with hands-on build and assembly of scientific hardware and systems using hand-tools, fasteners, electrical wiring, etc. * Minimum 1 year experience (advanced degree inclusive) in test automation using programming and/or control systems * 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 instrumentation, in mechanical engineering, engineering physics, electrical engineering, optical engineering, engineering, physics, or physical science * Broad understanding of fundamental optical, mechanical, thermal, and/or cryogenic principles and practices, and experience applying this knowledge in detail to engineering or scientific projects * Experience with test & measurement equipment, such as power supplies, function generators, electronic loads, multimeters, network analyzers, spectrum analyzers, rf signal generators * Experience in scripting tests and automation using Python or similar programming language * Experience in four or more of the following areas: * ultra-high vacuum principles and equipment * cryogenic principles and equipment * mechanical design and analysis tools, including 3D CAD systems such as Onshape and finite element analysis (FEA) * handling chemicals and choosing adhesives * using standard laboratory equipment such as microscopes, ovens, fume hoods * free-space optics, fiber optics, integrated photonics, and/or lasers * basic laboratory electronics, such as PCB design, soldering, assembling electrical connectors and cables * Experience working in a laboratory, production, or cleanroom environment with cleanliness and ESD awareness * Ability to read and follow simple electrical and mechanical schematics and assembly documentation * Experience working in a team and collaborating across disciplines * Deep curiosity and interest in learning new things ## Description Our team develops optics and integrated photonics technologies that enable scaling of our trapped-ion quantum computers from our current 98-qubit Helios system to our future Lumos system with hundreds of thousands of qubits. The data, designs, and expertise from our group inform our next-generation systems, from the overall architecture to the tiniest of details. We are looking for more engineers and scientists to join our cross-disciplinary team., * Lead the development, build, and operation of a new quick-turn cryogenic and vacuum test stand for characterizing and validating components and systems for ultra-high vacuum and cryogenic operation * Collaborate closely with engineers and scientists to translate test objectives into effective sample fixtures, test hardware, and experimental setups, drawing on cross-functional expertise throughout design and execution. * Define requirements, configure equipment specifications, and assemble a complete test system for controlling and interfacing with cryo vacuum chambers * Develop and execute test plans to generate reliable test results while maintaining safe operating conditions working with cryogens, ultra-high vacuum, and lasers * Automate hardware, processes, data acquisition, and data analysis * Build test samples, ultra-high vacuum systems, and test & measurement systems to specifications, including troubleshooting issues and failures as needed * Generate detailed documentation of test plans and findings, including details on test instrumentation, processes, and specific sample setup * Analyze and interpret data to provide feedback and recommendations to support iterative development