The application window is expected to close on: 07/20/2026

Job posting may be removed earlier if the position is filled or if a sufficient number of applications are received.

This position requires that you commute to our San Jose, CA office 5 days per week. 

Meet the Team

The Common Hardware Group (CHG) creates innovative hardware platforms central to the AI era, powering Cisco’s core Switching, Routing, and Wireless products for organizations globally. Our innovations in silicon, optics, and hardware platforms—like Silicon One—are shaping the technology industry. We're a global team of creative experts, bringing our unique backgrounds and bold ideas to push boundaries and help each other grow. Because full product development—from design to qualification to production—is within our team, we’re able to think differently, experiment more, and work quickly. Join us to power the future of the digital world.

The Cisco Service Provider SI team is seeking a Signal Integrity Engineer for the design and analysis of high-speed components, interfaces, and power distribution network. As a member of the Service Provider SI team, you will help develop the Next Generations of Cisco Switch products, be a part of the definition and design of current and next generation ASIC, package, printed circuit board (PCB), and system interconnect. You will be working in a larger team working closely with system architects, logic designers, ASIC engineers, package engineers, and versatile and knowledgeable SI/PI engineers in the creation of next-generation networking products. 

Your Impact

• High-speed link modeling and simulation, including high-speed I/O, IC package,e and system interconnections.

• Modeling and analyzing power delivery networks.

• Electromagnetic modeling of complex 3-dimensional structures.

• Perform pre- and post-route signal integrity analysis of both PCB and ASIC package designs.

• Write signal integrity design guidelines, test plan, and test report.

• Decide appropriate PCB material, stack-up, and work with vendors to address any DFM issues.

• Support prototype function bring-up, validation, and troubleshooting.

• Address signal integrity challenges on system high-speed interconnections, clock, power, etc.

• Work closely with other hardware function teams including HW design, eCAD, Mechanical, Power, EMC, and Diag to deliver first-class products.

• Contribute to the overall SI/PI technology roadmap, evaluating new tools, techniques, and design approaches to maintain a competitive edge

Minimum Qualifications

• Bachelors degree in Computer Science or related field +2 years of relevant experience or Master’s degree in Computer Science or related field +0 years of relevant experience.

• Knowledge of applying EE fundamentals, EM theory, and coupling mechanisms in circuit or system design, analysis, or troubleshooting. 

• Understanding of transmission line theory, simulation, channel modeling & signal, and power integrity concepts. 

• Lab and measurement experience to include configuring and interpreting measurements from VNA, TDR, and oscilloscopes.

• Python automation scripting experience. 

Preferred Qualifications

• Tools knowledge with tools such as HFSS, ADS, Matlab, Cadence PowerSI/DC, Allegro, Simbeor, and HSpice.

• Experience with 3-D field solvers and PI (Power Integrity) simulation tools such as PowerSI/DC.

• Self-motivation, collaboration, effective communication, and a desire to innovate.

• Working experience with high-speed NRZ and PAM4 SerDes, as well as high-speed PCB/package development and PI analysis.

• Knowledge of optical transceiver module types, form factors, and requirements.

• Masters or PhD in Computer Science, Electrical Engineering or related field.

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.

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