Principal Hardware Design Engineer

Job Description

Job Title: Principal Hardware Design Engineer. Location: Milpitas, California, USA

Responsibilities:

• Design hardware, create schematics, and oversee PCB layouts for analog and digital circuitry.
• Develop hardware involving high-speed transceivers, 10+ Gbps electrical and optical data links, FPGAs, microcontrollers, clock distribution, power supply filters, inrush current limiters, and power distribution.
• Ensure robust signal integrity and electromagnetic interference (EMI) suppression across hardware designs.
• Design and build test setups for electro-optic modules.
• Characterize, optimize, and debug analog, digital, and electro-optic circuitry;
• Use mixed-signal and sampling oscilloscopes, vector network analyzers, signal generators, multimeters, and DC power supplies for hardware testing.
• Develop software to drive hardware measurements and testing.
• Analyze measurement data and extract key performance parameters.
• Maintain detailed documentation covering hardware designs, test results, and design changes.
• Collaborate with thermal, mechanical, firmware, and optical engineering teams.
• Ensure hardware designs meet the requirements of the overall quantum computer system architecture and physical framework.

Qualifications:

• Master's or Ph.D. degree or higher in Electrical Engineering, Physics, or an equivalent field.
• At least 10 years of relevant experience in product development and release to volume manufacturing.
• Experience leading the development of multiple successful commercial products;
• Strong experience in hardware design, testing, debugging, and product development.

Benefits and Compensation:

• Estimated annual base salary:
  • Zone 1, Bay Area and NYC: $235,600 to $276,800
  • Zone 2, including Los Angeles and Washington, DC: $212,000 to $249,100
  • Zone 3, including Austin, Chicago, and Sacramento: $188,400 to $221,400
  • Zone 4, including Nashville and Phoenix/Tempe: $164,900 to $193,800
• Equity grants.
• Competitive health coverage for employees and dependents.
• 401(k) with company match;
• Financial wellness tools and planning resources.
• Wellness benefits.
• Family support programs.
• Life and disability insurance.
• Paid leave programs.
• Company-designated paid holidays.
• Discretionary time off.
• End-of-year company shutdown.

Other Information:

• The role is based in PsiQuantum's Milpitas, California office and requires working on-site five days per week.
• Full-time roles are eligible for equity and benefits.
• Actual compensation depends on qualifications, education, training, experience, geographic location, business needs, and internal equity.
• PsiQuantum is an equal opportunity employer.
• PsiQuantum does not accept unsolicited resumes from employment agencies;
• Candidates should be cautious of recruitment scams. PsiQuantum states that it will only contact candidates through an official PsiQuantum email address and will never request bank account information during the interview process.
• The application requires a cover letter containing the word "purple."