Weighmaster (Night Shift)

Martin Marietta
Corona, CA

JOB SUMMARY

The Weighmaster is responsible for the accurate weighing of on-highway trucks and internal equipment, ensuring that all outbound loads comply with legal weight limits and customer specifications. Operating from the scale house, this role serves as a critical liaison between the sales, production, and transportation teams.

The ideal candidate possesses a sharp eye for detail, a strong commitment to safety (MSHA compliance), and the ability to maintain professional composure during peak dispatch hours. You are responsible for ensuring that every ton of material leaving the site is accounted for, billed correctly, and transported safely.

KEY DUTIES AND RESPONSIBILITIES

  • Operate electronic scales to determine gross, tare, and net weights for outbound aggregate shipments.
  • Input customer data, project codes, and material types into the ticketing system with 100% accuracy.
  • Monitor truck weights to ensure compliance with Department of Transportation (DOT) bridge laws and gross vehicle weight ratings.
  • Issue legal weigh tickets and maintain organized records of all daily transactions, including voided tickets and cash sales.
  • Manage the flow of traffic on and off the scale, using CB radios or intercom systems to direct drivers to the correct stockpiles or loading areas.
  • Coordinate with Loader Operators to ensure trucks are loaded with the correct material and to report any loading discrepancies.
  • Address driver inquiries and resolve issues regarding orders or weight discrepancies professionally and efficiently.
  • Ensure all incoming drivers are aware of site safety protocols, including PPE requirements and traffic patterns.
  • Monitor the scale area for debris, spills, or mechanical issues that could pose a safety risk.
  • Maintain a clean and orderly scale house in compliance with Mine Safety and Health Administration (MSHA) standards.
  • Manage cash, check, or credit card transactions for 'COD' customers, ensuring daily deposits match system reports.
  • Generate daily and weekly production and sales reports for plant management and the corporate accounting office.
  • Assist in tracking inventory levels by monitoring the volume of specific materials leaving the site.

QUALIFICATIONS

Education

High school diploma, GED, or relevant experience.

Work Experience

1+ years of experience in Mining, Construction, or Manufacturing Environment. Familiarity with aggregate products (crushed stone, sand, gravel) is highly preferred.

Familiarity with scale operations is preferred.

Knowledge, Skills, and Abilities

MSHA compliance and regulations

Technical andamp; administrative aptitude (proprietary weighing software)

Data entry precision

CDOT/DOT

Traffic management

Product identification

Effective communication (written and spoken)

Organized

Time management

ADDITIONAL DETAILS

Physical Requirements

You must be able to sit at a computer terminal for extended periods to manage high-volume truck traffic.

Must be able to lift and carry up to 50 lbs.

Required to bend, stoop, climb, and reach.

You must have good depth perception with or without seeing aid for distances up to 150 feet.

Working Conditions

All duties require outside assignments and require periods of work in all weather conditions, cold, wet, dry and dusty. Must be able to work in areas where noise levels are up to 85 dbs.

Disclaimers

In addition to the primary responsibilities outlined, the successful candidate may be expected to take on other tasks and assignments as required, including but not limited to duties outside the typical scope of the role to support overall team operations and organizational needs. Flexibility and adaptability to evolving job demands are essential.

The hiring range for this position is $24.90 -$35.00 exclusive of benefits or bonuses (discretionary and non-discretionary). The offered base compensation will be determined based on factors such as geographic location, business need, market conditions, proficiencies, skills, education, and experience. Additionally, at Martin Marietta we place a high value on internal pay equity and will consider the compensation for those in similarly situated roles and direct team members. The hiring range for this role represents the base compensation we expect to pay for the position at time of hire and does not represent the total possible base pay of the position.In addition to our base compensation, we also offer a competitive benefits package for full-time employees, including medical, dental and vision coverage; prescription drug coverage; health savings accounts; flexible spending accounts; life, AD&D and disability insurance; 401(k) with a company match and an employer-funded defined benefit pension plan. Other benefits include paid time off, paid holidays, education/tuition assistance, an employee discount program, adoption assistance, wellness programs and more.Part time employees are eligible to participate in the 401k plan and receive a company match. In addition, they are eligible to start accruing service for the pension plan.
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