Signal Integrity Engineer

The application window is expected to close 1/12/2026. The job posting may be removed earlier if the position is filled or if a sufficient number of applications are received.

This is an onsite role based in the San Jose, CA office. While the team may have hybrid days, this is at the discretion of the team and is subject to change at any time.

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.

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

• 5+ years of related experience with a Bachelor's Degree in BSEE, or 3+ years of experience with a Master's Degree, relevant/transferable professional work, and/or classroom learning.
• BSEE degree.
• Experience applying EE fundamentals, EM theory, and coupling mechanisms in circuit or system design, analysis, or troubleshooting through projects, coursework, or work experience.
• Hands-on experience with simulation or analysis of transmission lines, channel modeling, and signal/power integrity via academic or professional projects.
• Practical experience configuring and interpreting measurements from VNA, TDR, and oscilloscopes, demonstrated in lab, research, or engineering roles.

• Strong tools knowledge with tools such as HFSS, ADS, Matlab, Cadence PowerSI/DC, Allegro, Simbeor, and HSpice.
• Proficiency with 3-D field solvers and PI (Power Integrity) simulation tools such as PowerSI/DC.
• Self-motivation, collaboration, strong communication, and a desire to innovate are important.
• Working experience with high-speed NRZ and PAM4 SerDes, as well as high-speed PCB/package development and PI analysis, is a plus.
• Masters or PhD in Electrical Engineering.
• Knowledge of optical transceiver module types, form factors, and requirements.

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 is everywhere.

We are Cisco, and our power starts with you.

Individual pay is determined by the candidate's hiring location, market conditions, job-related skillset, experience, qualifications, education, certifications, and/or training. The full salary range for certain locations is listed below. For locations not listed below, the recruiter can share more details about compensation for the role in your location during the hiring process.

U.S. employees are offered benefits, subject to Cisco's plan eligibility rules, which include medical, dental and vision insurance, a 401(k) plan with a Cisco matching contribution, paid parental leave, short and long-term disability coverage, and basic life insurance. Please see the Cisco careers site to discover more benefits and perks. Employees may be eligible to receive grants of Cisco restricted stock units, which vest following continued employment with Cisco for defined periods of time.

U.S. employees are eligible for paid time away as described below, subject to Cisco's policies:

• 10 paid holidays per full calendar year, plus 1 floating holiday for non-exempt employees

• 1 paid day off for employee's birthday, paid year-end holiday shutdown, and 4 paid days off for personal wellness determined by Cisco

• Non-exempt employees** receive 16 days of paid vacation time per full calendar year, accrued at rate of 4.92 hours per pay period for full-time employees

• Exempt employees participate in Cisco's flexible vacation time off program, which has no defined limit on how much vacation time eligible employees may use (subject to availability and some business limitations)

• 80 hours of sick time off provided on hire date and each January 1st thereafter, and up to 80 hours ofunused sick timecarried forwardfrom one calendar yearto the next

• Additional paid time away may be requested to deal with critical or emergency issues for family members

• Optional 10 paid days per full calendar year to volunteer

For non-sales roles, employees are also eligible to earn annual bonuses subject to Cisco's policies.

Employees on sales plans earn performance-based incentive pay on top of their base salary, which is split between quota and non-quota components, subject to the applicable Cisco plan. For quota-based incentive pay, Cisco typically pays as follows:

• .75% of incentive target for each 1% of revenue attainment up to 50% of quota;

• 1.5% of incentive target for each 1% of attainment between 50% and 75%;

• 1% of incentive target for each 1% of attainment between 75% and 100%; and

• Once performance exceeds 100% attainment, incentive rates are at or above 1% for each 1% of attainment with no cap on incentive compensation.

For non-quota-based sales performance elements such as strategic sales objectives, Cisco may pay 0% up to 125% of target. Cisco sales plans do not have a minimum threshold of performance for sales incentive compensation to be paid.

The applicable full salary ranges for this position, by specific state, are listed below:

New York City Metro Area:

Non-Metro New York state & Washington state:

* For quota-based sales roles on Cisco's sales plan, the ranges provided in this posting include base pay and sales target incentive compensation combined.

** Employees in Illinois, whether exempt or non-exempt, will participate in a unique time off program to meet local requirements.