ASIC Design Engineer - Design & Timing Constraints

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The application window is expected to close on: 08/22/2025. Job posting may be removed earlier if the position is filled or if a sufficient number of applications are received.
Meet the Team Join our dynamic front-end design team at Cisco Silicon One, where innovation meets cutting-edge technology! As part of the heart of silicon development at Cisco, you'll engage in every facet of chip design, from architecture to validation, using the latest silicon technologies to create groundbreaking devices. Cisco Silicon One is the only unified silicon architecture that empowers customers to deploy top-tier silicon across diverse applications, from top-of-rack switches to expansive data centers. Be a part of shaping Cisco's revolutionary solutions by designing and testing advanced ASICs that integrate networking, compute, and storage into a single system. With tightly integrated hardware and software solutions, you'll gain exposure to all aspects of our systems, leveraging the latest technology. We're seeking a talented ASIC engineer with a proven track record in high-performance products, ready to make a significant impact in the industry. Join us and push the boundaries of what's possible!
Your Impact You are a diligent Design/SDC Engineer with strong analytical skills and a deep understanding of timing constraints, including clock groups, exceptions, and clock exclusivity. Proficient in industry-standard SDC/STA tools and scripting for automation, you excel at identifying and resolving timing issues across all design levels. You will collaborate with Front-end and Back-end teams to understand chip architecture and guide them in refining design and timing constraints for seamless physical design closure. As part of this team, you'll contribute to developing next-generation networking chips.
Responsibilities Include: Being a member of design team who oversees fullchip SDCs and works with physical design and DFT teams to close fullchip timing in multiple timing modes Option to also do block level RTL design or block or top-level IP integration Helping develop efficient methodology to promote block level SDCs to fullchip, and to bring fullchip SDC changes back to block level Helping develop and apply methodology to ensure correctness and quality of SDCs as early as possible in design cycle Reviewing block level SDCs and clocking diagrams and mentor other RTL design owners on SDC development Creating fullchip clocking diagrams and related documentation
Minimum Qualifications: Bachelor's Degree in Electrical or Computer Engineering with 8+ years of ASIC or related experience or Master's Degree in Electrical or Computer Engineering with 6+ years of ASIC or related experience Experience with block/full chip SDC development in functional and test modes Experience in Static Timing Analysis and prior working experience with STA tools like PrimeTime/Tempus Understanding of related digital design concepts (eg. clocking and async boundaries) Experience with synthesis tools (eg. Synopsys DC/DCG/FC), Verilog/System Verilog programming
Preferred Qualifications: Experience with constraint analyzer tools such as TCM (Timing Constraint Manager from Synopsys) and CCD (Conformal Constraint Designer from Cadence) Experience with Spyglass CDC and glitch analysis Experience using Formal Verification: Synopsys Formality and Cadence LEC. Experience with scripting languages such as Python, Perl, or TCL
Why Cisco? At Cisco, we're revolutionizing how data and infrastructure connect and protect organizations in the AI era - and beyond. We've been innovating fearlessly for 40 years to create solutions that power how humans and technology work together across the physical and digital worlds. These solutions provide customers with unparalleled security, visibility, and insights across the entire digital footprint. Simply put - we power the future.
Fueled by the depth and breadth of our technology, we experiment and create meaningful solutions. Add to that our worldwide network of doers and experts, and you'll see that the opportunities to grow and build are limitless. We work as a team, collaborating with empathy to make really big things happen on a global scale. Because our solutions are everywhere, our impact is everywhere. We are Cisco, and our power starts with you.
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Location:
San Jose, CA, US

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