R&D Engineer IC Design
Broadcom, San Jose, CA, United States
Job Description
We are part of the core switching group (CSG) at Broadcom developing industry leading network switches for enterprise and mega scale data centers. We are looking for experienced engineers to design cutting edge CoWoS 2.5D, 3D interposer designs. You will be working on designing interposers starting with custom routing for high speed interfaces, bump map design, routing and physical verification and tapeout to the foundries. As part of your job you will be interacting with packaging, signal integrity and foundries to meet the packaging, SI and physical requirements of the interposers. Experience with interposer designs including CoWoS, 2.5D/3D integration using Cadence Innovus/Integrity or Synopsys 3DIC compiler is a must. Candidates should have a strong understanding of TSV design, micro-bumps, solder bumps, and interconnect technologies. Strong automation expertise related to bump pattern generation, routing structure development for high speed interfaces, and chip finishing are required to handle multiple interposer designs in parallel. Basic understanding of routing structure impact on high-speed signal integrity (SI), power integrity (PI), and thermal analysis is required.
Technical Skills & Experience
Experience with interposer and advanced packaging design, including CoWoS, 2.5D/3D
Proficiency with EDA tools such as Cadence (Innovus, Integrity), Synopsys (3DIC compiler), Mentor Graphics (Calibre) for layout generation, editing and verification
Strong understanding of TSV design, micro-bumps, solder bumps, and interconnect technologies.
Basic understanding of high-speed signal integrity (SI), power integrity (PI), and thermal analysis.
Familiarity with semiconductor fabrication processes, particularly for silicon interposers.
Strong scripting skills (Python, Tcl, SKILL) for automation and flow customization.
Ability to work with cross‑functional teams including IC design engineers, packaging engineers, and foundries
Additional Skills
Strong problem‑solving skills and attention to detail.
Excellent communication and teamwork skills.
Ability to document design processes, specifications, and reviews.
Familiarity with 3DBlox interposer modelling language is a plus
Preferred Qualifications
Hands‑on experience with high‑density interposers in complex packaging environments.
Strong scripting skills to automate the interposer design flow
Previous experience at semiconductor or advanced packaging companies.
Educational Background
Bachelor’s in Electrical Engineering, Microelectronics, or related fields and 8+ years of related experience, or a Master’s degree and 6+ years of related experience
Compensation And Benefits
The annual base salary range for this position is $120,000 - $192,000. This position is also eligible for a discretionary annual bonus in accordance with relevant plan documents, and equity in accordance with equity plan documents and equity award agreements. Broadcom offers a competitive and comprehensive benefits package: medical, dental and vision plans, 401(K) participation including company matching, Employee Stock Purchase Program (ESPP), Employee Assistance Program (EAP), company paid holidays, paid sick leave and vacation time. The company follows all applicable laws for Paid Family Leave and other leaves of absence.
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We are part of the core switching group (CSG) at Broadcom developing industry leading network switches for enterprise and mega scale data centers. We are looking for experienced engineers to design cutting edge CoWoS 2.5D, 3D interposer designs. You will be working on designing interposers starting with custom routing for high speed interfaces, bump map design, routing and physical verification and tapeout to the foundries. As part of your job you will be interacting with packaging, signal integrity and foundries to meet the packaging, SI and physical requirements of the interposers. Experience with interposer designs including CoWoS, 2.5D/3D integration using Cadence Innovus/Integrity or Synopsys 3DIC compiler is a must. Candidates should have a strong understanding of TSV design, micro-bumps, solder bumps, and interconnect technologies. Strong automation expertise related to bump pattern generation, routing structure development for high speed interfaces, and chip finishing are required to handle multiple interposer designs in parallel. Basic understanding of routing structure impact on high-speed signal integrity (SI), power integrity (PI), and thermal analysis is required.
Technical Skills & Experience
Experience with interposer and advanced packaging design, including CoWoS, 2.5D/3D
Proficiency with EDA tools such as Cadence (Innovus, Integrity), Synopsys (3DIC compiler), Mentor Graphics (Calibre) for layout generation, editing and verification
Strong understanding of TSV design, micro-bumps, solder bumps, and interconnect technologies.
Basic understanding of high-speed signal integrity (SI), power integrity (PI), and thermal analysis.
Familiarity with semiconductor fabrication processes, particularly for silicon interposers.
Strong scripting skills (Python, Tcl, SKILL) for automation and flow customization.
Ability to work with cross‑functional teams including IC design engineers, packaging engineers, and foundries
Additional Skills
Strong problem‑solving skills and attention to detail.
Excellent communication and teamwork skills.
Ability to document design processes, specifications, and reviews.
Familiarity with 3DBlox interposer modelling language is a plus
Preferred Qualifications
Hands‑on experience with high‑density interposers in complex packaging environments.
Strong scripting skills to automate the interposer design flow
Previous experience at semiconductor or advanced packaging companies.
Educational Background
Bachelor’s in Electrical Engineering, Microelectronics, or related fields and 8+ years of related experience, or a Master’s degree and 6+ years of related experience
Compensation And Benefits
The annual base salary range for this position is $120,000 - $192,000. This position is also eligible for a discretionary annual bonus in accordance with relevant plan documents, and equity in accordance with equity plan documents and equity award agreements. Broadcom offers a competitive and comprehensive benefits package: medical, dental and vision plans, 401(K) participation including company matching, Employee Stock Purchase Program (ESPP), Employee Assistance Program (EAP), company paid holidays, paid sick leave and vacation time. The company follows all applicable laws for Paid Family Leave and other leaves of absence.
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