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Mechanical Engineer - Battery Pack Design
Novi, MI
On-Site Role
$40-65/hr (depending on years of experience)
ABOUT THE ROLE
Join a leading client in the advanced energy and battery technology industry as a Mechanical Engineer specializing in battery pack and module design. This is a 6-month contract-to-hire opportunity based in Novi, MI, focused on the mechanical design and development of battery pack components and sub-systems from concept through production. You will drive design decisions, collaborate with multidisciplinary teams, and support hands-on prototyping and manufacturing in a fast-paced, highly collaborative environment. This role requires strong technical expertise, cross-functional coordination, and a passion for innovation in energy systems.
WHAT YOU'LL DO

• Own mechanical design of one or more battery pack components or sub-systems from concept through product launch
• Drive design decisions and collaborate with systems, electrical, and analysis teams to ensure all design requirements are met
• Identify design risks and develop prototypes to validate and mitigate issues
• Engage with suppliers to define specifications, obtain quotes, and support component development
• Create 3D CAD models and 2D drawings with GD&T for complex assemblies
• Support hands-on prototype builds and work closely with manufacturing and quality teams
• Perform tolerance stack analyses to ensure proper fit and functionality
• Ensure proper electrical isolation and environmental durability (thermal, vibration, sealing, etc.)
• Optimize designs using analytical, numerical, and empirical methods
• Contribute to technical problem solving and continuous product improvement

WHAT YOU BRING

• Bachelor's or Master's degree in Mechanical Engineering or related field
• 2+ years of mechanical design experience (5+ years for Senior level)
• Experience designing components such as castings, stampings, extrusions, plastics, sealing systems, bus bars, or cooling systems
• Strong 3D CAD experience (Onshape or similar CAD tools)
• Experience working with suppliers and design for manufacturability (DFM)
• Familiarity with low- to mid-volume manufacturing processes
• Ability to interpret structural and thermal analysis results
• Strong problem-solving and communication skills in a cross-functional environment
• Nice to have: hands-on prototype or product launch experience, battery or energy system background, and experience designing for harsh environments (vibration, corrosion, water ingress, thermal)

ABOUT US
At Brooksource, relationships are the foundation of everything we do. Since 2000, we've built lasting partnerships with clients, consultants, and internal teams to deliver an exceptional experience across every engagement. As a trusted IT and Engineering services provider, Brooksource supports Fortune 500 organizations through Experience-Driven Staffing, Professional Services, and Elevate, our proprietary Workforce Transformation program. Whether you're hiring for software development, cloud computing, cybersecurity, data analytics, or engineering, our customized staffing solutions are designed to align with your company's unique goals, culture, and technology stack. We offer flexible hiring models, including contract, contract-to-hire, and direct placement to meet your evolving business needs.
EEO STATEMENT
Brooksource is an equal opportunity employer that does not discriminate on the basis of actual or perceived race, color, creed, religion, national origin, ancestry, citizenship status, age, sex or gender (including pregnancy, childbirth, lactation and related medical conditions), gender identity or gender expression, sexual orientation, marital status, military service and veteran status, physical or mental disability, protected medical condition as defined by applicable state or local law, genetic information, or any other characteristic protected by applicable federal, state, or local laws and ordinances.
PAY DISCLAIMER
The pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
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Disclaimer: Brooksource, Medasource, and Calculated Hire are part of the Eight Eleven Group family of companies and operate under Eight Eleven Group, LLC. All employees receive the same benefits, policies, and terms of employment.
EEO:
We are committed to creating an inclusive environment for all employees and applicants. We do not discriminate on the basis of race, color, religion, creed, sex, sexual orientation, gender identity or expression, national origin, ancestry, age, disability, genetic information, marital status, military or veteran status, citizenship, pregnancy (including childbirth, lactation, and related conditions), or any other protected status in accordance with applicable federal, state, and local laws.
Benefits & Perks:
Brooksource offers competitive medical, dental, vision, Health Savings Account, Dependent Care FSA, and supplemental coverage with plans that can fit each employee's needs. We offer a 401k plan that includes a company match and is fully vested after you become eligible, paid time off, sick time, and paid company holidays. We also offer an Employee Assistance Program (EAP) that provides services like virtual counseling, financial services, legal services, life coaching, etc.
Pay Disclaimer:
The pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.