Plant Supervisor

Knight’s Companies Inc.; Jedburg (SC); On-site; USD 60,000 - 90,000; Full time

Benefits offered by this job

Competitive pay

Medical Insurance

Dental Insurance

Vision Insurance

401(k) with Company Match

Short-Term Disability

Job summary

Knight’s Companies Inc. is seeking a Plant Supervisor to lead daily plant operations, batch concrete to order specifications, and supervise drivers and staff.

The role emphasizes safety, quality, and teamwork within a growth‑oriented, family‑owned company. The ideal candidate will have 3–5 years in concrete batching or plant operations, possess ACI Level I and DOT batching certifications or the ability to obtain them within six months, and demonstrate strong leadership and communication skills.

Qualifications

• High school diploma or equivalent is required.
• 3-5 years of related experience in concrete batching, plant operations, or similar production environments.
• ACI Level I Certification or ability to obtain within six months.
• DOT Batching Certifications or ability to obtain within six months.
• Demonstrated knowledge of concrete batching technology, equipment, methods and safety.
• Willingness to work early mornings, nights and weekends as needed.
• Strong leadership, communication and organizational skills.
• Proficiency with Microsoft Office (Outlook, Word, Excel).
• Ability to work independently or as part of a team.

Responsibilities

• Open the plant and manage daily operations for safe, efficient production.
• Safely batch concrete and load trucks per order specifications.
• Perform quality checks on sand moisture, slumps, and temperatures.
• Motivate and supervise drivers and plant staff.
• Maintain a clean, organized, and safe plant environment including equipment.

Skills

Leadership

MS Office

Communication

Organizational skills

Teamwork

Safety awareness

Education

High school diploma

ACI Level I Certification

DOT Batching Certifications

Job description

Since 1969, Knight’s Companies has grown from a single septic tank pumping truck into a trusted, family-owned leader in construction and manufacturing services. Built on quality, integrity, and customer service, Knight’s Companies is committed to excellence across its Redi-Mix, Precast, Trucking, and Pumping operations.

We are excited to announce an opportunity for a proactive and detail-oriented Plant Supervisor to join our dynamic team! This position is responsible for opening/closing the plant and managing the day-to-day operations to ensure smooth, consistent, and quality plant operations, and to provide leadership and oversight to plant personnel. If you’re passionate about providing exceptional customer service, leadership, and building strong relationships

What You’ll Do:

Open the plant and manage daily operations to ensure consistent, safe, and efficient production processes.

Safely batch concrete and load trucks according to order specifications, maintaining high standards of quality and productivity.

Perform routine quality checks on sand moisture, slumps, and temperatures as per scheduled protocols.

Motivate, coach, and supervise drivers and plant staff to foster a positive and productive work environment.

Maintain a clean, organized, and safe plant environment, including the fleet and work areas.

Communicate effectively with the Shop to report issues related to plant trucks and heavy equipment, coordinating timely repairs.

Collaborate with Plant Maintenance to ensure equipment is properly maintained and operational.

Monitor safety procedures and ensure compliance with all safety regulations and company policies.

Assist in training new staff and implementing process improvements to enhance operational efficiency.

Convey all pertinent information to the Plant Manager regarding equipment and personnel at the end of each shift.

Perform daily truck check in with other plant personnel; report reading and/or inefficiencies to Shop or On-Call Technician.

Minimum Requirements:

High school diploma or equivalent.

3-5 years of related experience in concrete batching, plant operations, or a similar production environment.

Possess ACI Level I Certification or can obtain ACI Level I Certification within six months of employment.

Possess applicable DOT Batching Certifications or can obtain DOT Batching Certifications within six months of employment.

Demonstrated knowledge of all aspects of concrete batching technology, equipment, methods, and safety is required.

Ability to work early mornings, nights, and weekends as needed.

Demonstrated leadership ability to include motivating, developing, and inspiring others.

Working knowledge of Microsoft Office suite, including Outlook, Word, and Excel.

Strong verbal and written communication skills.

Strong organizational skills and attention to detail.

Ability to work independently or as part of a team.

Ability to work in high pressure situations under tight deadlines.

Physical Demands:

Ability to safely lift a minimum of 75 lbs.

Ability to climb, stoop, bend, squat, lift, stretch, push, pull, twist, kneel, stand, walk, sit, reach occasionally.

Ability to sit and work at a computer keyboard daily for extended periods.

Ability to work outside as needed, with possible exposure to the extremes of hot or cold weather.

What We Offer:

• Competitive pay
• Medical, Dental, and Vision Insurance
• Paid Time Off (PTO) and Paid Holidays
• 401(k) with Company Match
• Short-Term Disability (STD)
• Long-Term Disability (LTD)
• Company-Paid Life Insurance
• Voluntary insurance programs including Life, Critical Illness, Hospitalization, Accident and Pet Insurance.

Interested in opportunities in other Knight’s Companies locations?

We’re hiring across our other markets:

• Lowcountry:Charleston/Jedburg/St. George/Moncks Corner
• Midlands:Columbia/Lexington/Irmo/Blythewood/Lugoff/Sumter
• South: Aiken/Hampton/Beaufort/Okatie/Richmond Hill/Savannah

Join our team and be part of a company that values safety, hard work and professionalism. We offer a supportive work environment, opportunities for growth, and comprehensive benefits to help you succeed in your career.

EOE