
Principal Packaging Engineer (Santa Rosa)
Fidelis Companies, Santa Rosa, CA, United States
Principal Substrate and Packaging Engineer
Fully onsite in the San Francisco Bay Area
Full time opportunity
$400-500K total compensation package- base, bonus, stock (depends on skillset/experience level)
Industry leader in semiconductor design focused on advanced IC packaging and high‑speed interconnect technologies. In the role, you will have primarily be responsible for the layout, routing, and functionality of packages and substrates, including design of high-speed lines.
What You’ll Do
Design and layout advanced IC packages, substrates, and interposers, including high‑speed signal routing
Collaborate closely with electrical, mechanical, SI/PI, and program teams during front‑end and detailed layout
Define layout rules, panelization strategies, and stack‑ups with substrate and package vendors
Perform peer design reviews and contribute to layout best practices and flow improvements
Execute DRC and LVS checks to ensure layout correctness
Support post‑fab evaluation, including visual inspection, electrical validation, and high‑speed characterization
Develop and apply script‑based layout automation to improve efficiency and quality
Simulate layouts and recommend design optimizations to meet performance and reliability targets
Required Background
BS/MS/PhD in Electrical, Computer, Mechanical Engineering, or related field
10+ years of hands‑on experience in IC substrate and package layout
Deep expertise with EDA layout tools, such as: Calibre/Klayout, Cadence Allegro Package Designer, Innovus and Virtuoso
Multilayer and high‑speed layout
RF design fundamentals
Package/substrate manufacturing processes and materials
Surface‑mount technology (SMT)
Fully onsite in the San Francisco Bay Area
Full time opportunity
$400-500K total compensation package- base, bonus, stock (depends on skillset/experience level)
Industry leader in semiconductor design focused on advanced IC packaging and high‑speed interconnect technologies. In the role, you will have primarily be responsible for the layout, routing, and functionality of packages and substrates, including design of high-speed lines.
What You’ll Do
Design and layout advanced IC packages, substrates, and interposers, including high‑speed signal routing
Collaborate closely with electrical, mechanical, SI/PI, and program teams during front‑end and detailed layout
Define layout rules, panelization strategies, and stack‑ups with substrate and package vendors
Perform peer design reviews and contribute to layout best practices and flow improvements
Execute DRC and LVS checks to ensure layout correctness
Support post‑fab evaluation, including visual inspection, electrical validation, and high‑speed characterization
Develop and apply script‑based layout automation to improve efficiency and quality
Simulate layouts and recommend design optimizations to meet performance and reliability targets
Required Background
BS/MS/PhD in Electrical, Computer, Mechanical Engineering, or related field
10+ years of hands‑on experience in IC substrate and package layout
Deep expertise with EDA layout tools, such as: Calibre/Klayout, Cadence Allegro Package Designer, Innovus and Virtuoso
Multilayer and high‑speed layout
RF design fundamentals
Package/substrate manufacturing processes and materials
Surface‑mount technology (SMT)