Sr. Principal Engineer

  • 04 Apr 2018


Widely recognized as a technical expert in Audio Power Electronics, while exercising broad knowledge of the design and operation of additional systems and fields. Demonstrate high levels of technical expertise, inventiveness and creativity consistently. Leveraging technology trends and their own expertise, the successful candidate will disrupt both cost and user experience to lead the professional audio industry. Develop and apply, engineering principles, theories, advanced technologies, and concepts. Support authoring and inventing the next generation of audio power hardware and software.


  • Conduct technology evaluation and assessment of software and hardware tools, component technologies, and systems
  • Create project plans and roadmaps by combining emerging technology trends with corporate and academic research
  • Influence future generations of audio and electronic products for consumer, automotive, and professional use by leading the research on advanced technology projects.
  • Write and review invention disclosures to protect intellectual property, both as main inventor and co-inventor; follow up with legal counsel when patent applications are drafted
  • Precisely estimate the project scope of a large project and the manpower
  • Combine efforts with teams to transfer gained technology (systems, hardware, software) and knowledge (IP, technology research findings) to the company
  • Work closely with our teams and the customer’s executive management, Project Management and Engineering teams making decisions is an essential part of the project.
  • Contribute to strategic roadmaps and drive breakthrough ideas and world-class research into product organizations
  • Create, develop, and document future use scenarios (highest impact) to identify and verify future opportunities
  • Extend on existing research by creating systems rapidly with a series of working prototypes, testing them with user studies, and writing publishable quality papers
  • Serve as a peer coach to technical colleagues and junior technology talent on technical and career possibilities. The incumbent will also provide Division level mentoring in their respective field of expertise.
  • Administer change management of large projects and meet stringent quality and timing requirements
  • Work directly with the customer throughout various phases of the project and instills confidence when representing the goals of customer

Required Experience/Skills:

  • PhD degree in Engineering or related field and 8+ years’ of experience in corporate or academic research; alternatively, Master’s Degree in above mentioned fields and 12+ years’ of experience in research and development or Bachelor’s Degree and 16+ years’ experience
  • Expert skillset in at least one of the following fields: Power Electronics, Analog/Digital Electronics design, Power Supplies
  • Experience and/or knowledge in PWM Class D switching amplifier design including:
    • Feedback and power stage simulation/design
    • Protection schemes
  • Experience working with a variety of power converter applications/topologies including, but not limited to:
    • Power Factor Correction (PFC)
    • Resonant and Quasi-resonant converts (SRC, LLC, LCC, etc)
    • AC/DC and DC/DC converters
    • Flyback, half-bridge, forward, full-bridge, boost, buck, etc
    • Control systems Design
  • Experience with the use of rapid prototyping tools for software and hardware, electronics, and mechanical design for consumer electronics and future device platforms
  • Ability to communicate advanced and complex concepts and ideas persuasively and concisely to all levels of the business
  • Experience with design for manufacturability (DFM).
  • Thorough knowledge of design for EMC.
  • Exceptional reputation as an innovator based on having created forward looking research, projects, and award winning publications
  • Experience working in the Pro Audio, Consumer Audio, or Automotive industry
  • Experience in power electronics design and test practices and methodologies.
  • Experience in design for global safety / regulatory requirements (CSA, UL, etc.). Experience and/or knowledge in PCB layout practices.
  • Ability to work in a fast-paced team environment with interfaces to procurement, vendors, and contract manufacturers.
  • Ability to design and conduct real world tests for electrical, thermal, and mechanical integrity
  • Preferred Qualifications: 
    • Previous Professional or Consumer Audio/Video experience
    • Thermal design experience related to power semiconductors for both natural and forced air convection including thermal interfacing and dissipation.
    • Knowledge of professional audio systems (public address, cinema, sound reinforcement, etc.)
    • Experience in project / product management (scheduling, resource allocation, etc.). Thorough knowledge of required steps to bring product from concept to production.
    • Transformer/magnetic design knowledge and/or experience.
    • Experience in utilizing circuit simulation and analysis tools.
    • Experience in mixed signal analog/digital system design.