Senior Electrical Engineer - Mixed-Signal & Digital Systems

Picarro, Inc • Santa Clara, CA

133d • $170,000 - $180,000

About The Position

We’re hiring a Senior Electrical Engineer – Mixed-Signal & Digital Systems to help design and deliver the next generation of cavity ring-down spectroscopy (CRDS) instruments. In this role, you will architect and implement high-performance mixed-signal electronics, applying best practices in grounding, shielding, and signal integrity. Your work will directly influence the precision, stability, and scalability of systems used worldwide in environmental, industrial, and scientific applications.

Requirements

• BS/MS in Electrical Engineering or related field
• 10+ years in mixed-signal circuit and PCB design for high-performance systems
• Proficiency in schematic capture and PCB layout tools (Altium preferred)
• Experience with mixed-signal simulation (SPICE or equivalent)
• Strong grounding, shielding, and signal integrity practices for noise-sensitive systems
• Proficiency in FPGA firmware (VHDL/Verilog) and embedded code (C/C++) maintenance and development
• Strong communication skills and the ability to work in multidisciplinary teams

Responsibilities

• Design and validate mixed-signal circuits and PCBs for high-precision instrumentation
• Apply best practices in layout, grounding, shielding, and impedance control to minimize noise and interference
• Collaborate closely with optical, analog, and mechanical engineers to integrate electronics into complex systems
• Maintain and extend FPGA firmware and embedded control code in partnership with consultant architects
• Perform schematic capture and PCB layout in Altium (or equivalent) and run mixed-signal simulations in SPICE or similar tools
• Debug and validate designs in the lab using oscilloscopes, logic analyzers, VNAs, and other instrumentation
• Document designs, maintain revision control, and contribute to shared engineering standards

Benefits

• Base salary
• Bonus eligibility
• Equity

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: Bachelor's degree
• Number of Employees: 101-250 employees