Principal Engineer, Cellular Systems


San Diego, CA, US

pSemi Corporation is a Murata company driving semiconductor integration. pSemi builds on Peregrine Semiconductor’s 30-year legacy of technology advancements and strong IP portfolio but with a new mission—to enhance Murata’s world-class capabilities with high-performance semiconductors. With a strong foundation in RF integration, pSemi’s product portfolio now spans power management, connected sensors, optical transceivers, antenna tuning and RF frontends. These intelligent and efficient semiconductors enable advanced modules for smartphones, base stations, personal computers, electric vehicles, data centers, IoT devices and healthcare. From headquarters in San Diego and offices around the world, pSemi’s team explores new ways to make electronics for the connected world smaller, thinner, faster and better.

This position can be based at one of our alternate office locations:

San Jose, California
Nashua, New Hampshire
Austin, Texas
Chicago, Illinois

Job Summary

The Principal Systems Engineer will possess excellent understanding of 4G/5G Cellular Systems, cross-functional leadership and customer communication skills. The Principal Systems Engineer will be responsible for shaping the future of RF Front-End market by driving our long-term architecture roadmap, setting device specifications & validation requirements, and driving our customers towards our vision of the future.


The Principal Systems Engineer will be an experienced RF and Analog/Mixed Signal hardware engineer who is adept at system design and analysis in support of Mobile Wireless Communications, and other applications such as Wireless Infrastructure, Wi-Fi, and Broadband Communications. This person will define new products based upon system constraints enabling profitable growth of the Company. Key functional responsibilities will include: System architecture analysis, RF link budget analysis, digital control system definition, product performance requirements, assisting in product and technology road mapping, and competitor analysis. In this position, you will lead the effort in defining new product specifications and guide technology planning to support the growth of the business.


Roles & Responsibilities

This position has responsibility for:

  • Define and document complete radio architecture definitions that expand pSemi’s core competencies and technologies
  • Provide definition and roadmaps for architectures, RF Front Ends, and RF/AMS ICs, digital control systems and interfaces, and any supporting algorithms
  • Identify technical core competencies and functional capability that need to be developed to make product lines successful
  • Support marketing and design engineering with insights concerning technical requirements of wireless markets and industry standards
  • Conduct system and sub-system analyses to define functionality and specification requirements of highly integrated products
  • Technical interface with customer engineering teams and system architects
  • Support IP generation activities and develop and apply novel concepts
  • Assist in defining requirements of automated test equipment


Competency Requirements

In order to perform the job successfully, an individual should demonstrate the following competencies:

  • Critical Thinking: Skilled at finding logical flaws in arguments and plans; identifies problems and solutions that others might miss; provides detailed insight and constructive criticism into problems and complex situations
  • Working with AmbiguityAchieves forward progress in the face of poorly defined situations and/or unclear goals; able to work effectively with limited or partial information 
  • Displaying Technical ExpertiseKeeps his/her technical skills current; effectively applies specialized knowledge and skills to perform work tasks; understands and masters the technical skills, knowledge, and tasks associated with his/her job; shares technical expertise with others
  • Driving for Results:  Aggressively pursues challenging goals and objectives; will to put in considerable time and effort to accomplish objectives; takes a highly focused, goal driven approach toward work
  • Making Accurate Judgments and DecisionsBases decisions on a systematic review of relevant facts and information; avoids making assumptions or rushing to judgment; provides clear rationale for decisions


Minimum Qualifications (Experience and Skills)

  • Typically requires 12 to 15+ years in work experience in RF systems and applications engineering, depending on level of education and experience
  • Ability to maintain technical expertise/competence with the ever-changing technology and dynamic industry landscape
  • In-depth understanding of 3GPP mobile wireless RF requirements - Involvement with a relevant standards body a plus
  • Solid overall knowledge of wireless architectures and considerations including distributed antenna architectures, high efficiency PA architectures, DPD, MIMO, and active antennas
  • Ability to develop system models and perform complex simulations using Matlab and other system and circuit level simulation tools
  • Experience working with an RFIC, FEM, and/or radio design team and successfully introducing new products to the commercial market
  • Strong oral and written communication skills
  • Excellent leadership skills, a passion to win/contribute, ability to work in and thrive in a team environment
  • Willing to travel >20% of the time


Preferred Qualifications

  • Detailed knowledge of Cellular standards and how they impact pSemi’s products
  • Good understanding of Radio architectures and how they define product requirements
  • Good planning, organization, and time management skills
  • In-depth knowledge of multiple communication standards, such as 3GPP, NB-IoT, Bluetooth, 802.11
  • In-depth understanding of product life cycle concepts and the impact of system architecting on meeting product cost and manufacturability goals
  • Antenna design experience, digital design definition and implementation


Education Requirements

  • BS degree in electrical engineering required
  • MS or PhD degree in electrical engineering preferred


Work Environment

This job operates in a professional office environment. This role routinely uses standard office equipment.


Physical Demands

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. While performing the duties of this job, the employee is regularly required to talk or hear. The employee frequently is required to stand; walk; use hands to finger, handle or feel; and reach with hands and arms. Specific vision abilities required by this job include close vision, distance vision, color vision, peripheral vision, depth perception and ability to adjust focus. This position requires the ability to occasionally lift office products and supplies, up to 20 pounds.


Minimum salary: $214,431.66

Maximum salary: $278,776.59

pSemi Corporation supports a diverse workforce and is committed to a policy of equal employment opportunity for applicants and employees. pSemi does not discriminate on the basis of age, race, color, religion (including religious dress and grooming practices), sex/gender (including pregnancy, childbirth, or related medical conditions or breastfeeding), gender identity, gender expression, genetic information, national origin (including language use restrictions and possession of a driver’s license issued under Vehicle Code section 12801.9), ancestry, physical or mental disability, legally-protected medical condition, military or veteran status (including “protected veterans” under applicable affirmative action laws), marital status, sexual orientation, or any other basis protected by local, state or federal laws applicable to the Company. pSemi also prohibits discrimination based on the perception that an employee or applicant has any of those characteristics, or is associated with a person who has or is perceived as having any of those characteristics.

Note: The Peregrine Semiconductor name, Peregrine Semiconductor logo and UltraCMOS are registered trademarks and the pSemi name, pSemi logo, HaRP and DuNE are trademarks of pSemi Corporation in the U.S. and other countries. All other trademarks are the property of their respective companies. pSemi products are protected under one or more of the following U.S. Patents:

Additional Position Information: 

Nearest Major Market: San Diego