Signal and Power Integrity (SIPI) Engineer

Schweitzer Engineering Laboratories, Inc.; Boise (ID); On-site; USD 97,000 - 144,000; Full time

Benefits offered by this job

Employee ownership (ESOP)

Top-tier benefits

Generous PTO/Holiday plan

Job summary

Schweitzer Engineering Laboratories, Inc. is seeking a Signal Integrity and Power Integrity Engineer to ensure the electrical performance of next-generation protective relay products.

The role focuses on SI/PI analysis, model development, and collaboration with hardware design teams to optimize stackups and PDN. Qualified candidates have a strong foundation in electromagnetics, high-speed design, and PCB considerations, with experience in SPICE and IBIS modeling.

Qualifications

• Bachelor's degree in Electrical Engineering or related field. Master’s preferred.
• 3+ years of experience in signal integrity and power integrity analysis and simulation.
• Experience with electromagnetic theory and high-speed digital design.
• Proficiency with SI/PI simulation tools (e.g., HFSS, SIwave, Cadence Sigrity, Keysight ADS).
• Experience with SPICE simulation tools (e.g., HSPICE, LTspice).
• Solid understanding of circuit design fundamentals and PCB design considerations.

Responsibilities

• Perform SI/PI simulations and analysis for high-speed designs.
• Conduct pre-layout and post-layout SI/PI assessments for design compliance.
• Develop and validate IBIS, SPICE, and S-parameter models.
• Collaborate with PCB layout designers to optimize stackup and PDN design.
• Analyze crosstalk, reflections, impedance discontinuities, and EMI issues.
• Evaluate PDN performance including decoupling and voltage droop.

Skills

Signal Integrity

Power Integrity

HFSS/SIwave/SiCadence

SPICE simulations

PCB design fundamentals

Education

Bachelor's degree in Electrical Engineering

Master's preferred

Tools

Ansys HFSS

SIwave

Cadence Sigrity

Keysight ADS

LTspice

Job description

Position Overview

We are seeking a talented Signal Integrity and Power Integrity Engineer to join our hardware engineering team. The ideal candidate will possess strong expertise in SI/PI simulation and analysis, combined with solid fundamentals in circuits, electromagnetics, and hardware design. This role is critical to ensuring the electrical performance and reliability of our next-generation protective relay products.

Key Responsibilities

• Perform signal integrity and power integrity simulations and analysis for high-speed digital designs
• Conduct pre-layout and post-layout SI/PI assessments to ensure design compliance with specifications
• Develop and validate models for signal integrity analysis including IBIS, SPICE, and S-parameter models
• Collaborate with PCB layout designers to optimize stackup, routing, and power delivery network design
• Analyze and troubleshoot signal integrity issues such as crosstalk, reflection, impedance discontinuities, and EMI
• Evaluate power distribution network (PDN) performance including impedance analysis, decoupling strategies, and voltage droop
• Support hardware validation through correlation of simulation results with measurement data
• Create design guidelines and best practices for SI/PI optimization
• Interface with cross-functional teams including hardware design, layout, and product engineers

Required Qualifications

• Bachelor's degree in Electrical Engineering, Computer Engineering, or related field (Master's preferred)
• 3+ years of experience in signal integrity and power integrity analysis and simulation
• Experience with electromagnetic theory, transmission line theory, and high-speed digital design
• Proficiency with SI/PI simulation tools (e.g., Ansys HFSS, SIwave, Cadence Sigrity, Keysight ADS, or similar)
• Experience with SPICE simulation tools (e.g. Ansys Nexxim, Synopsys HSPICE, Cadence Spectre, LTSPICE, or similar)
• Solid understanding of circuit design fundamentals including analog and digital circuits
• Strong foundation in hardware design principles and PCB design considerations

Desired Qualifications

• General modeling and simulation experience for hardware validation and verification
• Hands-on experience with hardware development lifecycle
• Experience with IBIS model development and validation
• Familiarity with S-parameter measurements and VNA operation
• Knowledge of DDR, PCIe, USB, Ethernet, or other high-speed interface standards
• Proficiency with scripting languages (i.e. Python) for automation and data analysis
• Experience correlating simulation results with lab measurements
• Understanding of EMC/EMI design principles
• Exposure to thermal simulation and analysis

Key Competencies

• Strong analytical and problem-solving skills
• Excellent communication skills with ability to present complex technical concepts clearly
• Detail-oriented with strong organizational skills
• Ability to work collaboratively in a cross-functional team environment
• Self-motivated with ability to manage multiple priorities

Competitive pay. Superior benefits. Inspiring work. People are at the core of our company and we hire employee-owners.

We're 100% employee owned. Retirement benefits include an employer funded stock ownership plan (ESOP) and personal 401(k) options. We offer top tier medical, prescription, dental, vision, life, and disability insurance. We recognize the importance of a healthy life balance and offer: 10 paid holidays, annual vacation accrual starting at 12 days, 9 paid sick days, and paid family and medical leave that covers 90% of your pay. We foster growth and development of our employees through avenues such as STEM courses, apprenticeships, tuition assistance, and engineering development programs. Ask our team about other benefits including wellness, fertility, adoption, and flexible spending benefits.

Pay Range Data

• Hardware Engineer - $97,700 - $144,400
• Lead Hardware Engineer - $115, 290 - 170,349
• Development Lead Engineer - $136,100 - $201,100

Communication with Applicants: We communicate with all applicants. If you do not receive a response about your application, please check your SPAM filter or reach out to us at [e-mail].

SEL is an Equal Opportunity Employer: Vets/Disabled.

SEL invents, designs, and builds digital products and systems that protect power grids around the world. This technology prevents blackouts and enables customers to improve power system reliability and safety at a reduced cost.

A 100 percent employee-owned company headquartered in Pullman, Washington, SEL has manufactured products in the United States since 1984 and now serves customers worldwide.

Our mission is simple: to make electric power safer, more reliable, and more economical.