Photonics Engineer - 249

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Science Led, Enterprise Driven – Accelerating Quantum Computing

Quantinuum is the world’s largest integrated quantum company, pioneering powerful quantum computers and advanced software solutions. Quantinuum’s technology drives breakthroughs in materials discovery, cybersecurity, and next-gen quantum AI. With approximately 500 employees, including 370+ scientists and engineers, Quantinuum leads the quantum computing revolution across continents.

We unite best-in-class software with high-fidelity hardware to accelerate quantum computing. With integrated full-stack technology, our world-class team is rapidly scaling quantum computing.

Quantinuum recently secured $300M in funding; visit our news pages to learn more about this and other scientific breakthroughs and achievements: https://www.quantinuum.com/news

We are seeking aPhotonics Engineerin ourNew MexicoLocation.

All applicants for safety-sensitive positions will be required to submit to a pre-employment drug test.

Key Responsibilities:

• Characterize individual photonic components, optical output of photonic chips, and overall photonic circuit performance. Develop and use high-sensitivity measurement techniques to evaluate the optical output of photonic chips for suitability.
• Work with photonic designers and fabrication team to verify design performance and understand the consequences of fabrication variation.
• Collaborate with a diverse team, including atomic physicists, engineers, and fabrication experts, to validate unprecedented integrated photonic technology.
• Plan, design, and build new optical characterization equipment to meet high-sensitivity requirements for an ion-trap based quantum computer.
• Develop new concepts for metrology testbeds to evaluate active/alternative photonic materials and architectures.
• Communicate ground-breaking results internally and externally through publications and presentations.

YOU MUST HAVE:

• 3+ years of experience with the design and implementation of optical experiments, including optoelectronic devices (e.g., lasers and photodetectors), optical fiber, optical components (e.g., lenses, mirrors, polarizers), and scientific software.
• Must be a U.S. Person, defined as U.S. citizen, permanent resident, green card holder, or someone granted asylum or refugee status, due to contractual requirements.
• Due to national security requirements, candidates must not be nationals of the People’s Republic of China or Russia unless they are U.S. citizens.

WE VALUE:

• Bachelor’s, Master’s, or PhD in Physics or Engineering preferred.
• 3+ years experience with photonic integrated circuit design and/or testing (advanced degree inclusive).
• Ability to communicate clearly and facilitate exchange of key details among diverse team members.
• Knowledge of on-chip photonics, fiber-to-chip coupling, and modulation techniques.
• Experience with nanophotonic design using simulation tools such as FDTD, FEM, or optical mode solvers (Lumerical, COMSOL, RCWA, RSoft, or similar).
• Experience with micro- and nano-fabrication techniques (electron beam, photolithography, etching, SEM, wafer handling, cleanroom practices).
• Proficiency in scientific coding, data analysis, and visualization software (e.g., MATLAB, Python, Mathematica, Origin, Igor).
• Some knowledge of trapped-ion quantum computers.
• Excellent written and oral communication skills, with published research results.

Estimated Salary Wage: $130,000 - $160,000 annually

What is in it for you?

- Competitive salary and innovative, impactful work

- Employer-subsidized health, dental, and vision insurance

- 401(k) match and student loan repayment benefit

- Equity, 401(k), paid holidays, generous vacation and sick leave

- Paid parental leave

Quantinuum is an equal opportunity employer. All qualified applicants will be considered regardless of age, race, creed, color, national origin, ancestry, marital status, sexual orientation, gender identity or expression, disability, nationality, sex, or veteran status.

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