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Night Shift Production Supervisor - Conversion

Crystal IS

Crystal IS

People & HR, Operations
Concord, NC, USA
Posted on Dec 18, 2025

The Asahi Kasei Group operates with a commitment of creating for tomorrow. Our business sectors, Material, Homes, and Health Care, contribute to the development of society by anticipating the changing needs of those around the world. We look for candidates that offer a fresh perspective and a variety of skills to help us achieve our commitment.

We are currently seeking applications to fill the following job opening at Celgard where we develop and manufacture membrane battery separators that are critical components used in lithium-ion batteries for electric drive vehicles (EDVs) and energy storage systems (ESS).


Company:

Celgard, LLC

Job Description:

ABOUT THE ROLE

We are seeking a Production Supervisor to be a part of the Leadership team based in Concord, NC. This position directly reports to the Production Manager and supervises a team of Manufacturing Technicians. This position requires 12-hour shifts from 6pm – 6am. The site runs 24/7 and has a 2-2-3 work schedule.

KEY ACCOUNTABILITIES

· Responsible for managing all operational aspects of the (Deply, Slitting, Testing, Pack-Out, and Backwinding) Conversion area.

· Lead behavior-based safety initiatives for the shift; ensure technicians plan safety into their daily routines and that safe work practices are followed.

· Plan, organize, supervise, and schedule manpower, equipment and other resources within issued policies, procedures, guidelines, and budgets.

· Assist in hiring new team members and oversee the on-boarding and on-the-job training for new and/or transferred employees.

· Assure the most effective operation of the production process; utilize key operating indicators for control of product cost, material usage, and machine downtime.

· Manage employee performance and development.

· Provide leadership in identifying problems, troubleshooting, and solving issues affecting yield and equipment utilization.

· Maintain and analyze shift measures, conduct shift reporting, audit ERP for accuracy and variance; conduct weekly and monthly variance investigations, maintain and lead team in adherence to SOP's/SOC's (Standard Operating procedures/Standard Operating Conditions).

· Ensure consistent, equitable working relationships with all team members.

· Learn and utilize company systems; facilitate continuous improvement; participate in and lead meetings both within the production function as well as cross-functionally; and develop management and technical skills to enhance plant performance.

· Work with fellow supervisors and non-exempt team members to provide proactive safety, housekeeping, and quality leadership, and to ensure achievement of plant goals.

· Provide leadership for Continuous Improvement efforts.

QUALIFICATIONS

Education Background:

· Bachelor's degree is required; degree in related field is preferred.

Knowledge & Experience:

· 3+ years of relevant experience in a manufacturing environment is required.

· Supervisory experience with direct reports is required.

· Experience in a 24/7 manufacturing environment is preferred.

· Must possess working knowledge of manufacturing processes and equipment.

· Experience leading in a team-centered environment is required.

· Must be proficient with computer skills to include Microsoft Office (Word, Excel, Outlook, PowerPoint).

· Must possess strong math skills and have a solid mechanical aptitude.

· Knowledge of ISO 9001 or IATF 16949 operations and an understanding of lean manufacturing principles and 5S is a plus.

· The ability to work a 12-hour 6pm-6am shift, 2-2-3 schedule, required.

Key Attributes:

· The ability to learn and use problem solving and decision-making tools is required.

· Well-developed verbal and written communication skills and the ability to communicate with all levels of the organization are required.

· The ability to build effective workplace relationships, provide effective feedback, motivate employees, and support employee development is required.

· Knowledge of and ability to apply safety principles in a manufacturing environment is required.

· To excel in this position, you must bring a proven ability to work on and lead a highly effective team, foster open and honest communication, motivate others and support employee development. Excellent communication skills are also vital to effectively communicate with all levels of the organization and support a high-performance operation and work culture.

ASAHI KASEI AND CELGARD VALUES

· Sincerity – Being sincere with everyone

· Challenge – Bolding taking challenges, continually seeking change

· Creativity – Creating new value through unity and synergy

TRAVEL

Must be able and willing to travel up to 5% for domestically and abroad for training and visiting other company locations.

WORKING ENVIRONMENT

This position is in a manufacturing plant setting that would require working in a production environment. This position will spend most (80-90%) of their time in a climate controlled clean room environment. Standing and walking continuously during the entire shift, 10-12 hours at a time. Ability to climb stairs and steps in work area is required. This position requires 12-hour shifts from 6pm – 6am. The site runs 24/7 and includes a 2-2-3 work schedule.

Celgard manufacturing sites are IATF 16949 and ISO 9001 certified.

PERKS & BENEFITS

· Comprehensive Healthcare Benefits, effective 1st day of the month

· Flexible Spending Account & Health Savings Account

· Vacation + 8 Paid Holidays + 24 Hours of Floating Holidays

· 401K Safe Harbor Contribution + Matching

· Paid Parental Leave after a Year of Employment

· Employee Assistance Program

· Life & Disability Insurances

ABOUT US

For more than 50 years, Celgard has proven itself as a global leader in the development and production of high-performance membrane technology. Celgard specializes in solvent-free, dry-process, microporous membranes used as separators that are a major component of lithium-ion batteries that power a broad range of electric vehicles (EV) and energy storage systems (ESS). Celgard® membrane is also used in specialty applications such as satellites and military installations as well as other barrier-type applications like technical textiles for waterproof and breathable apparel. Headquartered in the United States, we operate manufacturing facilities in the U.S. and China and have sales and technical service staff located strategically throughout North America, Europe, and Asia.

Celgard, LLC is a wholly-owned subsidiary of Polypore International, LP, an Asahi Kasei Company. With manufacturing facilities or sales offices in nine countries serving six continents, Polypore brings advanced development and manufacturing know-how as well as unique problem-solving capabilities to customers' lithium-ion and lead-acid battery development teams. The Asahi Kasei Group is a diversified group of companies led by holding company Asahi Kasei Corp., with operations in the material, homes, and health care business sectors. With more than 46,000 employees around the world, the Asahi Kasei Group serves customers in more than 100 countries. We are Creating for Tomorrow!

LOCATION INFORMATION

Concord is part of the Charlotte metro area. Charlotte, NC, known as the Queen City, is a thriving metropolitan area of over 2.6 million people across 15 counties. It is situated just north of the South Carolina border and is close enough to drive to the mountains and the beach in two-three hours. Charlotte brings diversity in people, industries and living, from urban to rural. It is ranked second among 25 largest cities for most desirable place to purchase a home by Nerdwallet.com and is ranked eighth among the top 10 big booming cities by CNNmoney.com. Charlotte is home of one of North Carolina’s largest college campuses, UNC Charlotte. Along with a friendly southern culture, Charlotte offers dining, arts, museums, major league basketball, a national football team, a soccer team, a minor league baseball team, NASCAR, shopping, festivals, a variety of amenities and quick access to several parks for people who love to get outdoors.

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As an equal opportunity employer, Asahi Kasei believes a diverse workforce will provide us with the ability to continuously support the changes in the economy, society, and environment.