Signal Integrity (SI) and Power Integrity (PI) Senior Principal Engineer II

Job Description
We are seeking a highly experienced Senior Principal Signal (SI) and Power Integrity (PI) Engineer to provide technical leadership and drive advanced SIPI design strategies across multiple hardware programs. The ideal candidate will possess deep expertise in high‑speed digital design, power delivery architectures, and electromagnetic effects, and will guide engineering teams through complex SIPI challenges from concept through qualification.

Responsibilities Include:

- Leading SIPI analysis efforts and providing expert design guidance throughout the hardware development lifecycle.
- Performing advanced signal integrity and power integrity modeling, simulation, and verification for high‑speed digital systems.
- Partnering closely with electrical design, PCB layout, and systems engineering teams to ensure robust and reliable hardware performance.
- Reviewing and directing PCB stackups, routing rules, PDN architectures, material selections, and high‑speed interface implementations.
- Developing SIPI requirements, best practices, design standards, and documentation that support current and future product lines.
Required Education, Experience, & Skills
- Bachelor's Degree in an applicable field and a minimum of 8 years of industry experience designing hardware systems for commercial or military applications.
- Principal‑level engineering expertise in Signal Integrity and Power Integrity.
- Demonstrated experience leading SI design for complex aerospace or high‑reliability products.
- Ability to identify and evaluate new SIPI technologies, methodologies, and tools to enhance product performance.
- Proficiency in simulation and modeling techniques used to identify, analyze, and resolve signal integrity issues.
- Deep technical understanding of high‑speed digital interfaces, power distribution networks (PDN), and electromagnetic coupling effects.
- Proven ability to lead SIPI activities across major hardware programs and mentor engineers at all levels.
- Experience presenting technical information to program teams and/or customers
- Ability to obtain & maintain DoD security clearance
Preferred Education, Experience, & Skills
- Master’s degree in a STEM field (Electrical Engineering, Computer Engineering, Mathematics, etc.).
- Broad experience in SI system design across chip, SerDes, board, and rack‑level architectures.
- Experience with PCB, connector, and cable design fundamentals.
- Demonstrated ability and desire to learn emerging technologies and effectively teach complex concepts to others.
- Proficiency with SI/PI simulation tools such as Keysight ADS, Cadence Sigrity, Ansys HFSS, or HyperLynx.
- Familiarity with lab‑based SI/PI measurement and validation techniques.
- Strong communication skills with experience collaborating across multidisciplinary engineering teams.

Pay Information
Full-Time Salary Range: $149603 - $254317

Please note: This range is based on our market pay structures. However, individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience.

Employee Benefits: At BAE Systems, we support our employees in all aspects of their life, including their health and financial well-being. Regular employees scheduled to work 20+ hours per week are offered: health, dental, and vision insurance; health savings accounts; a 401(k) savings plan; disability coverage; and life and accident insurance. We also have an employee assistance program, a legal plan, and other perks including discounts on things like home, auto, and pet insurance. Our leave programs include paid time off, paid holidays, as well as other types of leave, including paid parental, military, bereavement, and any applicable federal and state sick leave. Employees may participate in the company recognition program to receive monetary or non-monetary recognition awards. Other incentives may be available based on position level and/or job specifics.
About BAE Systems, Inc. BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. Improving the future and protecting lives is an ambitious mission, but it’s what we do at BAE Systems. Working here means using your passion and ingenuity where it counts – defending national security with breakthrough technology, superior products, and intelligence solutions. As you develop the latest technology and defend national security, you will continually hone your skills on a team—making a big impact on a global scale. At BAE Systems, you’ll find a rewarding career that truly makes a difference. Electronic Systems (ES) is the global innovator behind BAE Systems’ game-changing defense and commercial electronics. Exploiting every electron, we push the limits of what is possible, giving our customers the edge and our employees opportunities to change the world. Our products and capabilities can be found everywhere – from the depths of the ocean to the far reaches of space. At our core are more than 14,000 highly talented Electronic Systems employees with the brightest minds in the industry, we make an impact – for our customers and the communities we serve.

This position will be posted for at least 5 calendar days. The posting will remain active until the position is filled, or a qualified pool of candidates is identified.