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Sr. Mechanical Engineer

Plug Power, Inc.
vision insurance, paid time off, paid holidays, sick time, tuition reimbursement, 401(k)
United States, Washington, Colfax
May 30, 2025

Sr. Mechanical Engineer, Systems Solutions

Status: Exempt (Salaried)

Department: Chief Technology Office

Position Summary

The Mechanical Engineer is responsible for the system integration of mechanical and electrical components used in liquid hydrogen tank and fueling systems. This Engineer will create structured 3D-CAD assemblies, bills of materials, and use FEA and CFD tools to ensure designs are robust to withstand external forces including wind, seismic, and temperature variations. This role requires close interaction with the other engineering team members to ensure active development and design efforts are coordinated. The role also requires close interaction with the supply chain, quality, manufacturing and service teams to ensure designs meet cross- functional requirements. The ideal candidate should be self-motivated, able to handle multiple project assignments and willing to learn and adapt within a fast-paced engineering organization.

Core Duties and Responsibilities

  • Use SOLIDWORKS and AutoCAD to create accurate, complete and concise engineering documentation including large liquid hydrogen fueling system assembly models and related subassemblies, individual part drawings, P&ID's, and bills of materials.
  • Create new system designs and/or modify existing system designs with a focus on manufacturability, serviceability, product quality, and adherence to codes and standards
  • Work within a multidiscipline engineering team to define requirements for a wide variety of mechanical and electromechanical components
  • Perform engineering analysis to define critical design parameters and develop test plans as necessary to optimize designs
  • Coordinate design reviews and changes with multidisciplinary engineering teams
  • Assist in the construction, commissioning, and operation of liquid hydrogen fueling systems
  • Represent Plug Power in a professional manner in all interactions; support the philosophy of the organization to provide high-performing technology to maximize customer satisfaction
  • Assist in liquid hydrogen fuel tank testing and development as needed

Education and Experience

  • Bachelor's degree in STEM, preferably in Mechanical Engineering
  • Five to ten (5-10) years of related work experience preferably within a technology product manufacturing environment
  • Experience with the following is highly preferred: SOLIDWORKS, MATLAB, COMSOL, AutoCAD Plant 3D Working knowledge of ASME Y14.5 Geometric Dimensioning and Tolerancing principles
  • Working knowledge of hydrogen systems, vibration, thermal and fatigue design Ability to clearly communicate goals, findings and issues
  • Proficiency with the creation of manufacturing plans and drawings desired Experience with Design for Cost/Assembly/Manufacturability/Performance Working knowledge of piping layout, design and routing
  • Supreme organizational abilities and attention to detail
  • Must be flexible to adapt to changes in requirements, priorities and schedules Ability to engage in minimal (10%) travel as necessary to support job duties Teamwork oriented and focused
  • Results-oriented and driven work style
  • Exempt employees are expected to work as many hours as is necessary to complete their job responsibilities. This may require they work more than eight hours a day and more than five days or 40 hours per week.

Pay Rate:

$92,300.00 - $138,400.00

We offer a fantastic total rewards package at Plug, and a brief summary is below:
Base salary is determined on a number of factors including but not limited to education, experience, skills, and geography. These factors are considered when making an offer of employment. If you are interested in this position, we'd ask that you apply.
The above pay range, may not take into account local geographic pay variations. If there is an applicable geographic differential, a member of the HR team can discuss that with you.
Health, Dental & Vision Insurance eligibility starting from the first day of hire
401(k) with 5% company match
Bonus eligibility
Paid time off including vacation, personal and sick time
Paid Holidays
Wellness Reimbursement Program
Potential to apply for Tuition Reimbursement
Employee Referral program
Employee Assistance Program
Plug Power Inc. is committed to creating a diverse environment and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.

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