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Job description
Senior Photonics Design Engineer
HyperLight is at forefront in commercialization of thin‑film lithium niobate (TFLN) integrated photonics - a material and process technology that is enabling high-performance, scalable optical components across AI/datacom infrastructure, hyperscale computing, quantum computing, sensing, and beyond.
Founded in 2018 and backed by leading venture capital, we've built a team and a platform focused on real-world mass deployment of TFLN photonics technology.
At the core of our work is the TFLN Chiplet™ platform - a modular, integrated architecture designed for scalability, manufacturability, and seamless integration into complex systems. It offers a rare combination of extraordinary performance and industrial readiness, enabling system developers across applications to deploy the technology fast and ready. We partner with our customers and suppliers from conceptualization, design, and prototyping phases, all the way through mass production to ensure smooth and rapid deployment of TFLN photonic technology.
We believe our platform is the key to in the golden age of integrated photonics industry to empower humanity to the next level. We assembled a world class team covering engineering, business and operations. We believe in the power of integrity, innovation, collaboration and pragmatic solutions. Our diverse team thrives on challenges and is united by a shared commitment to excellence. We take pride in tackling complex challenges with curiosity, humility, and a deep sense of care for one another.
We are seeking an RF Engineer to join our growing team. In this role, you will be responsible for the design and validation of integrated RF passive components and interconnects for optical modulators operating at mmWave frequencies. You will also lead the co‑design and integration of our modulators with active components such as driver amplifiers. As an RF Engineer at HyperLight, you will play a crucial role in developing cutting‑edge solutions for advanced communication systems.
Join us to make a real‑world impact in a fast‑paced, collaborative and high‑growth environment.
We provide:
Competitive market‑based compensation
Comprehensive health coverage, including medical, vision, and dental plans for individuals and families
401(k) retirement plans with employee matching
Life and disability insurance
Commuter benefits and subsidies
Professional growth and mentorship opportunities
Responsibilities:
Collaborate with cross‑functional teams, including process engineers and system architects to design and optimize RF components for photonic integrated circuits, including interconnects, terminations, and traveling wave electro‑optic modulators.
Perform detailed electromagnetic simulation and modeling using tools such as CST Microwave Studio, COMSOL, or Ansys HFSS.
Develop and implement VNA test and calibration techniques for characterizing RF components at mmWave frequencies on‑wafer and in‑package.
Conduct thorough validation of RF components, including measurement and analysis using state‑of‑the‑art equipment.
Provide technical guidance throughout the product development lifecycle, from concept to manufacturing and production.
Requirements:
3+ years of relevant work experience or equivalent experience through an advanced degree (M.S. or Ph.D.) in electrical engineering, physics, or a related field.
Deep understanding of transmission line theory, S‑parameters, differential signaling, time‑domain reflectometry (TDR), eye diagrams, and passive RF circuit design.
Proficiency in electromagnetic simulation tools (e.g., CST Microwave Studio, Ansys HFSS) and RF design tools (e.g., Cadence, Keysight ADS).
Expertise in passive RF components, such as coupled transmission lines, impedance matching networks and interconnects. Experience with integrated on‑die RF design is a plus.
Hands‑on experience with RF measurements using network analyzers, signal generators, and power meters; probe station experience and familiarity with on‑wafer calibration techniques are a plus.
Strong communication skills to convey complex technical concepts clearly.
Familiarity with software automation for measurement equipment.
Familiarity with statistical data analysis using tools like Python or JMP.
Familiarity with optical modulators, optical communication links, and/or photonic integrated circuits is highly desirable.
Familiarity with power integrity concepts is a plus.
Authorization to work in the US is required. This position is onsite at HyperLight HQ.
HyperLight is an equal opportunity employer. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status.
Location: Cambridge, MA, United States.
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Worksite address
cambridge, MA, 02140, US
Who can apply
Review the original listing for work authorization, qualifications and employer requirements.