Field Application Engineer Intern (Hardware)

Location: Onsite internship at hirify.global offices in Wuhan or Shanghai/Suzhou, China

Company

hirify.global develops semiconductor solutions for enterprise, cloud, AI, carrier, and optical data infrastructure.

What you will do

• Assist senior field application engineers with customer schematic and layout reviews for PAM4 DSP, Coherent DSP, drivers, and TIAs.
• Support signal integrity and power integrity simulations.
• Tune and optimize customer products in the laboratory under the guidance of experienced engineers.
• Participate in product bring-up, evaluation, performance testing, and hardware/software debugging.
• Support customer-system troubleshooting and contribute to technical documentation, FAQs, and internal training materials.

Requirements

• Pursuing a Master’s or PhD in integrated circuit design, integrated systems, electronic information engineering, or a related field.
• Fundamental understanding or research experience in high-speed analog/mixed-signal SerDes, PAM4, analog TIA, driver chip design, or optical communication systems is preferred.
• Strong willingness to learn, effective communication skills, and a collaborative mindset.
• Availability for an internship of at least 4–6 months.
• Ability to work onsite at the Wuhan or Shanghai/Suzhou offices.
• Eligibility to access technology and software subject to U.S. export control laws may be required; an export license review may apply.

Culture & Benefits

• Hands-on experience with PAM4 and Coherent DSP optical technologies.
• Practical exposure to system-level bring-up and hardware/software co-debugging.
• Mentorship from experienced field application engineers and U.S. engineering teams.
• Exposure to SerDes DSPs in 5nm, 3nm, and 2nm process nodes for 112G, 224G, and 448G applications.
• Successful interns may receive a full-time offer after completing the internship and passing the assessment.

Hiring process

• Interviews assess individual experience, thought process, and communication skills.
• AI tools and automated assistance are not permitted during interviews.