SI Engineer

Looking for a Signal Integrity Engineer to support Cisco’s Security and Enterprise Routing systems team, the successful candidate will play a key role in the design, simulation, and validation of our next-generation hardware.

Join our team working on the design and development of next-generation Security products and Enterprise Routing systems. As a Signal Integrity Engineer, you will contribute to system design, simulation, and validation, collaborating with experienced engineers and cross-functional team, * Assist in the design and analysis of high-speed digital and analog systems from concept through to production.

• Support signal integrity simulations using industry-standard tools.

• Modeling and analyzing power delivery networks.

• Perform pre- and post-route signal integrity analysis of PCBs.

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

• Collaborate with hardware, layout, and validation teams to resolve technical issues.

• Contribute to documentation, data analysis, and correlation of simulation and lab measurements.

Participate in technical discussions with guidance from senior team members.

• Bachelor’s or Master’s degree in Electrical Engineering or a related field.

• 3-5 years of relevant experience in signal integrity or hardware design.

• Experience with IBIS, HSPICE, ADS, MATLAB, Cadence PowerSI AC/DC, Allegro.

• Exposure to high-speed interface technologies (e.g., SerDes, LVDS, CML).

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

• Knowledge of transmission line theory and high-speed circuit fundamentals.

• Experience with lab equipment such as oscilloscopes, TDR, or VNA * Familiarity with simulation tools such as SPICE, HSPICE, or similar.

• Experience with 2D/3D field solver tools (e.g., HFSS, CST, Q2D, Q3D).

• Strong teamwork and communication skills.

• Motivation to learn and solve technical challenges.