Signal and Power Integrity (SI/PI) Engineer (SMES)

Job description

Job Title: Signal and Power Integrity (SI/PI) Engineer (SMES) Job Code: 46286 Job Location: Camden, NJ (on-site) Schedule: 9/80 Regular (every other Friday off) Job Description: L3Harris – Integrated Systems & Encryption (IS&E) is a recognized global leader in the design, development and production of secure communication systems and products supporting mission-critical space, ground, air and naval operations. L3Harris IS&E is where employees have the opportunity to make a significant impact on our business and the world around us while thriving in an environment that continually fosters growth and career development. We are committed to providing best-in-class solutions to our customers with the highest level of integrity, excellence and uncompromised quality in everything we do. L3Harris offers a flexible working environment where contributions are recognized and rewarded The Signal and Power Integrity (SI/PI) Engineer is responsible for ensuring the electrical integrity of high-speed digital and analog signals across complex PCB designs, and for maintaining clean, stable power delivery to all circuitry within defined performance specifications. This role requires deep expertise in SI/PI analysis methodologies and simulation tools, and directly impacts the reliability and performance of advanced communication systems developed for National Security applications. Essential Functions: • Perform SI/PI analysis for PCB designs • Leverage prior experience in digital circuitry design and signal integrity analysis methods to analyze digital CCAs using analysis tools such as HyperLynx, HFSS, and SIwave • Generate guidelines for layout and stack-up to ensure compliance with timing and signal quality specs • Develop and validate IBIS models for accurate pre- and post-layout simulation • Conduct power integrity analysis; minimize power rail noise, voltage droop, and power plane resonance • Ensure power delivery network (PDN) stability across relevant frequency ranges, including target impedance analysis • Optimize PCB interconnects to support the high speed demands of PCIe Gen 4/5, DDR4/5, LPDDR4/5. • Model and analyze SERDES interfaces • Actively participate in peer and formal design reviews, evaluating root cause signal/power issues • Validate and debug designs in the lab as required • Work closely with layout engineers, applying knowledge of PCB stack-up and high-speed layout constraints • Generate technical documentation and reports with SI/PI findings and recommendations Qualifications: • Active SECRET Clearance • Bachelor's Degree in Electrical Engineering or related field with 6+ years of relevant experience, or a Master's Degree with 4+ years, specializing in digital Circuit Card Assembly (CCA) design and SI/PI analysis using commercial tools (e.g., HyperLynx, Ansys SIwave). • Understand transmission line theory, impedance matching, crosstalk, reflection, jitter • Ability to model and analyze high-speed interconnects • Familiarity with PCB fabrication and materials and how they impact high-speed digital design • Strong analytical, debug, and problem-solving skills • Strong logic/PCB debug, and analytical skills. • Ability to collaborate with cross-functional teams (Components Engineering, ECAD, PCB design engineers, RF engineers, mechanical engineering, systems engineering, software engineering, and factory personnel) • Excellent written, verbal, and presentation skills, with ability to clearly communicate technical findings Preferred Additional Skills: • Experience in Aerospace / Defense • Experience using the following tools: Xpedition, HyperLynx, Ansys SIwave, HFSS • S-parameter modeling • Experience with industry standards (JEDEC, IEEE) • Experience with Earned Value Management In compliance with pay transparency requirements, the salary range for this role is $93,341 - $156,188. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements. #LI-IK1