Mechanical Engineer III - Power Electronics Packaging Specialist

Crane Co. Lynnwood , WA 98087

Posted 2 months ago

Crane Aerospace & Electronics is seeking a Mechanical Engineer III - Power Electronics Packaging Specialist to support our Modular Power solutions. Qualified applicant must be up to challenges of effective mechanical designs, analysis, and demanding schedules.

This position is key to the Research & Technology Team within Modular Power Engineering in Lynnwood, WA.

Position Overview:

The Senior Mechanical Engineer will add expertise to address technical challenges for cost effective high-density packaging of Modular Power components and subsystems, including DC/DC power conversion and line conditioning filters. Packaging solutions includes hybrid chip-and-wire technology in a hermetically sealed header as well as traditional printed circuit board products.

Technical challenges where expertise/experience is highly desired:

  • Thermal management for high power density

  • Thermal cycling & low cycle fatigue for SMT electronics

  • Accelerated life testing (HALT/HASS)

  • Structural Analysis of electronic assembly and end item

The Mechanical Engineer is a top contributor who needs little to no supervision and uses originality, ingenuity and experience to perform engineering duties in researching, planning, designing, and developing products for use in the Aerospace or Electronics marketplace. The Senior Mechanical Engineer works within a collaborative Integrated Product Team (IPT) environment while responsible for multiple independent tasks

Duties & Responsibilities:

  • Deliver integrated Modular Power mechanical designs, from initial concept to production

  • Analyze design requirements and objectives, define optimum design criteria and approach, design component or system elements

  • Direct development testing on new or modified designs

  • Mentor and lead other engineers in the area of expertise

  • Plan, estimate, prioritize, and manage work activities to support meeting project schedules and budgets. Utilize experience and judgment to plan and accomplish goals.

  • Generate and review product development documentation, including proposals, technical reports, procedures, correspondence, etc. necessary to satisfy customer and program requirements.

  • Self-directed and motivated while working and communicating effectively within a team environment that consists of several engineering, operations, quality, and business disciplines.

  • Generate models and conduct analyses in compliance with customer requirements and appropriate agencies.

  • Perform design experiments and evaluate test results to validate analysis.

  • Work with manufacturing team on Design for Manufacturing

Minimum Qualifications:


  • Bachelor of Science in Mechanical Engineering or related engineering discipline. Master's Degree or PhD is a plus.


  • Five (5) or more years of experience in power electronics packaging

  • Finite Element Analysis background to determine thermal and mechanical performance

  • Work experience in highly reliable space and MIL-STD products a plus

Knowledge, Skills & Abilities:

  • Knowledge of Mechanical Engineering Principles, including mechanics of materials, shock, vibration, heat transfer, and dimensional tolerance analysis

  • Desired proficiency with mechanical 3D modeling software Autodesk Inventor (or similar), and familiarity with Finite Element Analysis software

Employment Eligibility Requirement

  • Must be a US Citizen or Permanent Resident and not require Visa sponsorship to be eligible. We are bound by International Traffic in Arms Regulations (ITAR) as a US Department of Defense contractor.

Working Conditions:

  • Standard office environment

  • Working conditions are normal for a manufacturing environment

  • Manufacturing operations may require the use of safety equipment to include but not limited to: eye safety glasses, gowning, masks, hearing protectors, heel/wrist straps and any other required PPE

  • May be exposed to unusual environmental conditions such as loud noises, cold temperatures, confined spaces, dust or fumes

  • Requires work with small to medium size hand and power tools

  • Occasional travel to customer and outside test lab facilities for technical interchange meetings, design reviews, product testing support, and to attend technical seminars

  • May need to travel domestically and internationally (up to 10%)

About Crane Aerospace & Electronics:

Crane Aerospace & Electronics supplies critical systems and components to the aerospace and defense markets. You'll find Crane Aerospace & Electronics in some of the toughest environments: from engines to landing gear; from satellites to medical implants and from missiles to unmanned aerial systems (UAS).

Crane Aerospace offers a full line of products for sensing both position (proximity) and pressure of mechanical, flight control and air data systems. All incorporate flight proven, highly reliable technology and are in use on many commercial and military aircraft.

We are committed to operational excellence and world-class processes. We employ Lean manufacturing techniques to optimize manufacturing efficiency and accuracy on all product lines. Our products are known for their technical strength, proven reliability and overall value.

In our efforts to maintain a safe and drug-free workplace, Crane Aerospace & Electronics requires that candidates complete a satisfactory background check prior to employment.

Crane Co. reserves the right to change or assign other duties to this position. The statements contained herein reflect general details as necessary to describe the principal functions of this job, the level of knowledge and skill typically required and the scope of accountability and responsibility. This description should not be considered to be an all-inclusive listing of work requirements.

Crane Co. is an Equal Opportunity Employer and does not discriminate on the basis of race, color, creed, religion, sex, national origin, marital status, age, sexual orientation, gender identity, disability, pregnancy, medical condition, genetic information, protected veteran status or any other characteristic protected under federal, state, or applicable local law.

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Mechanical Engineer III - Power Electronics Packaging Specialist

Crane Co.