SECTION I · THE BRIEF
Brief #64979Updated 19 AUG 2026NEW KENSINGTON, PAGreenhouseSOFTWARE COMPANIES
Employbl Company Profile

Battery Engineer - Mechanical

Rebuild is an industrial manufacturing group that integrates new technologies to accelerate its growth and improve performance. The company integrates new technologies into traditional manufacturing to help customers…

Location
New Kensington, PA
Company size
500–2,000
Posted
5d ago
Via
Greenhouse
Section II · Premium ProfileMembers only
  • 01Comp band & equity packageLocked
  • 02Seniority & experience requirementsLocked
  • 03Interview process & rubricLocked
  • 04Hiring manager & team contextLocked
  • 05Growth trajectory in this roleLocked
  • 06Offer & decision timelineLocked

7-day free trial · $25/mo · cancel anytime

Rebuild logo

Battery Engineer - Mechanical · Rebuild

View company profile
Job title
Battery Engineer - Mechanical
Job location
New Kensington, PA; San Francisco, CA
Job description

About Re:Build

About Re:Build

At Re:Build, our mission is to ensure the next generation of important products are made, at scale, in America. We are laying the foundation for a better future for our customers, employees, and communities by revitalizing America's manufacturing base and creating meaningful jobs across the country, including in historically deindustrialized regions.

We operate an advanced, end-to-end manufacturing platform that partners with industrial companies and innovators to take products from first concept to full-scale production in critical verticals including aerospace and defense, electrification, medical, energy and environment, and robotics and automation.

The way we operate is as important as the work we do. It's guided by The Re:Build Way, 16 principles that shape how we collaborate with each other, partner with our customers and vendors, and contribute to the communities where we operate. (link to The Re:Build Way principles)


Who we are looking for

You will be responsible for the design and analysis of battery packs and will lead teams of multi-discipline engineers. You will have a direct role in key decision-making to bring to market a portfolio of Re:Build battery packs for many industries. This position will encompass all program cycles including concept design, prototyping, detailed analysis, modeling, drafting, manufacturing, and testing. You will use detailed performance simulations to model critical performance. You will quickly develop CAD and/or prototype models and present quality results to customers and other partners. This position will require you to collaborate between program management, analysis, procurement, and manufacturing teams. To be successful in this role strong presentation and communication skills are a must.

What you get to do

  • Lead the product design and development for industry changing Re:Build battery packs.
  • Communicate across engineering teams to make program critical decisions.
  • Identify core issues, develop solutions, and effectively communicate the impacts across internal and external teams.
  • Create and deliver CAD models and presentations to customers.
  • Develop supporting material for design such as bill of materials, assembly, or installation procedures.
  • Ensure compliance to standards and battery pack performance needs.
  • Work multi-functionally to verify battery software and hardware meet the system needs and battery pack requirements.

What you bring to the Team

  • 3 or more years of system design for lithium-ion battery packs or related technologies.
  • Minimum 6 years of engineering experience for automotive, aerospace, industrial or related industries.
  • Experience in design, developing and testing of battery systems for electrified propulsion or stationary energy storage.
  • Excellent communication skills (verbal and written), including strong technical communication.
  • Self-directed with strong leadership, team building, collaboration, organizational skills, and demonstrated problem solving ability.
  • Demonstrated ability and interest in working in a fast-paced team environment.
  • Basic understanding of UL, or similar, and regulatory certification processes.
  • Proficient with CAD programs such as Catia or Solidworks
  • Familiar with analysis packages such as FEMAP and NASTRAN (or equivalent)
  • B.S. Mechanical Engineering, Electrical Engineering, Physics or similar with strong emphasis on practical work.

Additional Preferred Qualifications:

  • M.S. Mechanical Engineering, Electrical Engineering, Physics or similar with strong emphasis on practical work.
  • 4 or more years of project management experience.
  • Experience with BMS software development and control algorithms.
  • Experience with mathematical modeling of batteries or experimental work in the field of batteries.

Location: New Kensington, PA or San Francisco, CA

 

Export Control Requirement: Due to applicable export control laws and regulations, candidates must be a U.S. citizen or national, U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum.

 

The BIG payoff

We are a company who is going to make a difference in the industries and the communities in which we choose to operate.

Every employee of Re:Build will share ownership in the company and will share in the financial rewards of the success we achieve together, at all levels of the company!

We want to work with people that reflect the communities in which we operate

Re:Build Manufacturing is proud to be an Equal Employment Opportunity and Affirmative Action employer. We do not discriminate based upon race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, veteran status, marital status, parental status, cultural background, organizational level, work styles, tenure and life experiences. Or for any other reason.

Re:Build is committed to providing reasonable accommodations for qualified individuals with disabilities in our job application procedures. If you need assistance or an accommodation due to a disability, you may contact us at accommodations.ta@ReBuildmanufacturing.com or you may call us at 617.909.6275.

 

View job listing ↗
The Saturday Briefing

Get the Saturday tech briefing

New company profiles, funding moves, and who’s hiring across the market — every Saturday morning.

Where this role is based

New Kensington, PA

Loading map…

Rebuild headquarters

Framingham, MA

Company size

5002,000 employees

Founded

2020

Total raised

$232,925,000

View company profile ↗

Funding rounds

  • Series Unknown$120M
  • Grant$1.9M
  • Series Unknown$111M