Sr. Mechanical Engineer

Design Engineering
Posted 5 years ago

Sr. Mechanical Engineer Position Overview:

Company is a provider of DC/DC converters and AC/DC power supplies and solutions, data acquisition converters, digital panel meters and magnetics products, focusing primarily on the computing, communications, industrial and medical markets. Ranked amongst the world’s top 5 suppliers of power electronics, we design and manufacture the industry’s broadest offering of standard products and are a market leading designer of custom solutions.

Well known for the quality of its products and workforce, we can provide you the opportunity to work with talented people and a management team focused on growth and the ongoing development of leading-edge technologies for many of the world’s major OEM’s.


At the Massachusetts Design Center, our Product Development teams provide solutions to our customers through the design and development of AC-DC and DC-DC power conversion products and digital panel meters. In this role, you will:

  • Provide technical leadership and expertise developing power supply enclosures utilizing 3-D solid modeling software which meet new and existing design and performance targets and/or eliminate problems.
  • Develop thermal engineering solutions using calculated, empirical and simulation methodologies.
  • Design of various tooling for casting, extrusion and injection molded items.
  • Design of electrical test fixtures for engineering and production applications.


  • Design of mechanical package solutions for a variety of power conversion products and digital panel meters applying in-depth knowledge of design constraints and a considerable degree of judgment.
  • Application of appropriate worst case and statistical tolerances.
  • Generate detail part and assembly drawings and bills of materials.
  • Create and maintain component and feature models for use in current and future designs.
  • Responsible to ensure the technical integrity of designs.
  • Responsible to ensure designs meet cost, performance, and schedule requirements.
  • Utilize machine shop equipment and other site resources to rapidly fabricate models and prototypes or rework materials to prove designs concepts.
  • Interface with fabrication vendors to source designs, drive quality and schedules, qualify samples, and commission prototype and production tooling to schedule requirements.
  • Technical interface for outsourced design work such as shipping packaging.
  • Solves assigned technical product, component, or material problems affecting efficient operation and/or manufacture of product designs.
  • Provides feedback to customers and other design functions regarding design issues, quality, materials, etc.
  • Provides support to other engineering functions throughout the life cycle of product, from design through manufacturing and works with team members to resolve design or production problems.
  • Work closely with PCB design, electrical and process engineering to conceptualize and design the entire product electronic packaging for new products.
  • Influences others outside of team to ensure goals are met and resolves conflicts in an effective manner.
  • Must keep him/herself up to date with innovations and trends in Mechanical Engineering that apply to Power Electronics.
  • Distribute tasks to other members in the group, supervise their work, develop their skills and evaluate their performance.



  • Bachelor’s degree in Mechanical Engineering or an equivalent combination of education and experience.
  • Minimum 5 years mechanical design experience with an emphasis on thermal management.
  • Experience in design of automotive products is highly desired.
  • Ability to effectively communicate with a variety of internal customers and external vendors.
  • Software Experience:
    • MCAD Solid Modelling (AutoCAD, Solidworks, Pro-E).
    • Thermal Simulation (Flotherm, Ansys).
  • Ability to effectively communicate with a variety of external customers.
  • Ability to manage and communicate several projects simultaneously cope with changing deadlines.
  • Solid understanding of cooling methodologies and design of experiments to validate results.
  • Ability to evaluate, diagnose, and troubleshoot problems.
  • In-depth knowledge of industry design and quality standards.
  • In-depth knowledge of manufacturing processes and equipment used for fabrication of custom designed parts and sub-assemblies including inspection techniques and quality standards.
  • Ability to apply GD&T principles when appropriate.
  • In-depth Knowledge of EMC requirements particularly EMI shielding techniques and principles.
  • Working Knowledge of applicable product safety requirements – particularly UL 60950.
  • Solid Knowledge of drafting standards such as ANSI/ASME Y14.5M.
  • Good Knowledge of material finishes, cosmetic requirements, etc.
  • Knowledge of reliability and life expectancy principles.
  • Knowledge of related design verification and qualification testing:
    • Operating/Non-Operating shock & vibration.
    • Packaging qualification – transportation shock & vibe, drop and stack testing.
    • Thermal profiling, thermal shock and high humidity environments.
    • Acoustic Noise.
    • Ingress protection per IEC 60529.
  • Demonstrated creative and innovative work is an asset.

Reference number: LCMU104

Job Features

Job CategoryElectro-Mechanical, Mechanical Engineering, Power - Battery, Power Management

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