General Motors

Process Engineer Mixing & Coating - Battery Cell Development Center

General Motors • $85K — $110K *
Warren, MI 48089In-Person
Manufacturing & Automotive
Less than 5 years of experience
5 days ago
Job Overview by Ladders

Qualifications

  • Bachelor's degree in chemical engineering, Materials Science, Mechanical Engineering, or related field.
  • 3+ years in process or manufacturing engineering, ideally in Li-ion battery production or similar domains.
  • Hands-on experience with mixing processes and basic rheology concepts.
  • Experience with coating or web handling processes (e.g., slot-die, comma bar).
  • Proven ability to design and conduct DOEs and solve complex process challenges.
  • Strong cross-functional communication skills and teamwork capability.
  • Willingness to work full-time onsite in a pilot manufacturing setting.

Responsibilities

  • Develop and refine process parameters for slurry mixing and optimize mixing sequences.
  • Create and maintain operational procedures for roll-to-roll coating and drying of battery electrodes.
  • Plan and execute structured experiments to enhance yield and throughput in manufacturing.
  • Document standards and ensure compliance with quality and safety protocols in coating operations.
  • Collaborate with cross-functional teams to train and improve processes in battery cell development.

Benefits

  • Opportunity to work on cutting-edge battery technologies in a hands-on role.
  • Collaborative work environment with top-tier engineers and researchers.
  • Potential for domestic and international travel to equipment or material supplier sites.
  • Engagement in continuous learning and professional development within the field.
Full Job Description
Job Description

The Role

As a Process Engineer for electrode Mixing & Coating, you'll play a critical role in developing and refining cell technologies that power our electric future. This is a hands-on, on-site position at the Battery Cell Development Center where you'll collaborate with top-tier engineers and researchers to push the boundaries of cell technology.

We're looking for a candidate who is passionate about advancing technologies in battery cells and eager to continuously learn and grow. You will engage directly in a development manufacturing setting, collaborating closely with process, operations, maintenance, quality, and product engineering teams to develop and stabilize scalable manufacturing processes for battery cells.

What You'll Do
  • Process Development - Mixing & Slurry Preparation - You will help develop the process parameters, operating windows, and work instructions for slurry mixing (cathode and/or anode). Optimize mixing sequences, order of addition, shear rates, temperature, and vacuum/de-aeration conditions. Characterize slurry rheology and stability to establish acceptance criteria and checks. Partner with product engineers and suppliers to qualify new active materials, binders, solvents, and conductive additives.
  • Process Development - Coating & Drying - You will help develop process parameters for roll-to-roll coating (e.g., slot-die, comma bar) and drying for battery cell electrodes. Tune key settings (web speed, gap, pump settings, tension, oven zones, air flows) to meet coating thickness, uniformity, and defect targets. Develop and maintain procedures for set-up, startup, changeovers, and shut-down to ensure safe, stable operation. Interface with calendaring and downstream steps to ensure coating output supports density, porosity, and cell performance targets.
  • Scale-Up, Trials & Continuous Improvement - Plan and execute DOEs and structured experiments to expand process windows and improve yield, scrap, and throughput. Partner with quality to analyze process and quality data and identify root causes of defects (e.g., streaks, agglomerates, edge defects, pinholes, delamination) and implement robust corrective actions. Support equipment commissioning, debug, and SAT/FAT for new mixing and coating assets or upgrades. Capture lessons learned and standardized best practices for reuse across campaigns and future lines.
  • Documentation - You will help to develop and maintain standard work, SOPs, control plans, and reaction plans for mixing and coating operations. Work with quality to define CTQs/CTPs, sampling plans, and acceptance criteria for slurry, coated web, and in-process checkpoints. Maintain clear documentation of trials, parameter changes, risk assessments, and process changes. Ensure compliance with GM safety standards, EHS requirements, and lean-room/solvent-handling procedures.
  • Cross-Functional Collaboration - Work closely with operations/technicians to train and coach process intent, set-up, troubleshooting, and best practices. Partner with maintenance and controls/automation team members to improve uptime, diagnostics, and error-proofing. Collaborate with cell design, formation, and test teams to link electrode process conditions to cell performance and durability. Communicate technical learnings and recommendations clearly to both technical and non-technical stakeholders.


Your Skills & Abilities (Required Qualifications)
  • Bachelor's degree in chemical engineering, Materials Science, Mechanical Engineering, or related engineering field.
  • 3+ years of experience in process engineering, manufacturing engineering, or similar role in:
    • Li-ion battery manufacturing, or
    • Coating, inks, films, or related web-based processes, or
    • Other wet-chemistry / mixing-intensive manufacturing.
  • Hands-on experience with mixing processes (slurry, inks, coatings, or adhesives) and basic rheology concepts.
  • Hands-on experience with coating or web handling processes (slot-die, comma bar, gravure, or similar).
  • Demonstrated ability to design and run DOEs, analyze data, and solve complex process problems with a structured approach.
  • Strong communication skills and ability to work cross-functionally with operations, maintenance, quality, and suppliers.
  • Willingness to work in an onsite, pilot manufacturing environment with time spent on the production floor.


What Will Give You A Competitive Edge (Preferred Qualifications)
  • Direct experience in Li-ion electrode manufacturing (slurry mixing, coating, drying, calendaring).
  • Experience with roll-to-roll coating equipment and web handling (tension control, edge guiding, defect detection).
  • Familiarity with battery materials (cathode/anode active materials, binders, solvents, conductive additives) and their impact on processability and performance.
  • Experience in a development, or ramp-up environment (frequent changeovers, trials, and non-steady-state operation).
  • Working knowledge of SPC, DOE, and basic statistics applied to manufacturing processes.
  • Experience using manufacturing data systems (historian, MES, quality databases) for troubleshooting and continuous improvement.
  • Demonstrated commitment to safety, including solvent handling, powder handling, and clean-room or dry-room operations.


Additional Information
  • This role is categorized as onsite. This means the successful candidate is expected to report to Battery Cell Development Center (BCDC) in Warren, Michigan on a full-time basis
  • This role may require occasional off-shift or weekend support during critical trials, debug, or ramp-up phases.
  • Domestic and/or international travel may be required to visit equipment or materials suppliers, or partner sites, as needed.
GM does not provide immigration-related sponsorship for this role. Do not apply for this role if you will need GM immigration sponsorship now or in the future. This includes direct company sponsorship, entry of GM as the immigration employer of record on a government form, and any work authorization requiring a written submission or other immigration support from the company (e.g., H1-B, OPT, STEM OPT, CPT, TN, J-1, etc).This role is categorized as onsite. This means the selected candidate is expected to report to a specific location on a full-time basis.The selected candidate will be required to travel

About General Motors

General Motors Company engages in the manufacture and sale of cars and trucks in the United States, China, Brazil, Germany, the United Kingdom, Canada, and Italy. It offers sedans, crossovers, sport utility vehicles, pick-up trucks, coupes, sports/convertibles and hybrid vehicles, hatchbacks/wagons, and vans, as well as mini cars in India. The company also provides parts and accessories, such as iPod and MP3 compatibility, mobility accessories, performance parts, AC parts and services, and merchandise. In addition, it offers vehicle safety, security, and information services. The company provides used vehicles. It offers its products through dealers and distributors. General Motors Company was formerly known as NGMCO, Inc. and changed its name to General Motors Company in July 2009. The company was incorporated in 2009 and is based in Detroit, Michigan. It operates manufacturing facilities in India, the United States, and Canada. General Motors Company operates as a subsidiary of the United States Department of The Treasury. General Motors led global vehicle sales for 77 consecutive years from 1931 through 2007, longer than any other automaker, and is currently among the world's largest automakers by vehicle unit sales. General Motors acts in most countries outside the USA via wholly-owned subsidiaries but operates in China through 10 joint ventures. GM's OnStar subsidiary provides vehicle safety, security, and information services. In 2009, General Motors shed several brands, closing Saturn, Pontiac, and Hummer, and emerged from a government-backed Chapter 11 reorganization. In 2010, GM made an initial public offering IPOs to date and returned to profitability later that year.

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Learn more about General Motors
Size
157,000 employees
Market Cap
$46.9 billion
Industry
Manufacturing & Automotive
Net Income
$6.4 billion
Founded
1908
5 Year Trend
-3.2%
Revenue
$122.4 billion
NASDAQ
GM
* Ladders Estimates

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