Batch Plant Operator

Production Sunol, California
Salary: USD 54.70 - 54.70 Hourly

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Description

JOB SUMMARY
The Plant Operator is responsible for the safe, efficient, and high-quality production of Hot Mix Asphalt (HMA) and Warm Mix Asphalt (WMA). This role involves operating a computerized plant control system to regulate the flow of raw materials into the mixing process.
The Operator is expected to possess advanced troubleshooting skills, perform preventative and corrective maintenance on stationary equipment, and ensure all mixes meet strict Quality Control (QC) and Department of Transportation (DOT) specifications. This individual acts as a key steward of Martin Marietta’s Guardian Angel safety culture, ensuring a zero-injury environment while maximizing production uptime.
KEY DUTIES AND RESPONSIBILITIES
  • Operate automated plant control systems to monitor and adjust the flow of materials, temperatures, and mixing times.
  • Ensure the precise blending of aggregates and liquid asphalt cement according to specific mix designs provided by Quality Control.
  • Oversee the loading of asphalt into haul trucks, ensuring correct weights, legal load limits, and efficient traffic flow within the yard.
  • Monitor levels of liquid AC (asphalt cement), fuel, and aggregate stockpiles; coordinate with the Loader Operator to ensure the plant remains fed.
  • Perform advanced maintenance on conveyors, baghouses, drum dryers, screens, and elevator systems. This includes replacing bearings, adjusting belts, and repairing liners.
  • Utilize arc welders and cutting torches to perform structural repairs and equipment modifications as needed.
  • Identify and troubleshoot electrical, hydraulic, and mechanical malfunctions to minimize plant downtime during peak production hours.
  • Maintain a clean and orderly facility, including the control house, yard, and equipment areas, to prevent safety hazards and environmental spills.
  • Conduct comprehensive pre-shift and post-shift inspections of the plant and mobile equipment (skid steers, loaders, water trucks) and document findings.
  • Ensure strict compliance with OSHA, and EPA regulations, specifically regarding dust control, emissions, and lockout/tagout (LOTO) procedures.
  • Proactively identify and mitigate workplace hazards; participate in safety meetings
  • Maintain accurate daily production logs, maintenance records, and fuel/oil usage reports via company software
  • Assist in the training and development of Laborers, sharing technical knowledge of plant systems.
  • Function as the primary point of contact between the plant, the QC lab, and the dispatch office to ensure customer orders are completed accurately and timely.
QUALIFICATIONS
Education
High school diploma, GED, or relevant experience
Work Experience
1+ years of experience in Asphalt Plant Operations or a Heavy Industrial Manufacturing environment
Knowledge, Skills, and Abilities
OSHA compliance and regulations
EPA
Technical aptitude
Mechanical aptitude
Asphalt plant knowledge
Detail oriented
Time management
Effective communicator (written and spoken)
ADDITIONAL DETAILS
Physical Requirements
Must be able to lift and carry up to 50 lbs. for plant maintenance and equipment servicing.
Required to bend, stoop, climb, and reach. You must be able to maintain three points of contact when climbing on/off machinery or on ladders.
Strong hand-eye-foot coordination is essential for operating hand/foot controls. 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.
Union
We are excited to share the base hourly rate for this position is $54.70+. Membership with the International Union of Operating Engineers Local Union No, 3 is required upon hire. Condition and terms of employment and benefits are in accordance with the collective bargaining agreement. 
 
We are looking for an Asphalt Plant Operator/Welder/Repairmen with a minimum of 18 months experience in an Asphalt Hot Mix Plant. A minimum of 18 months with Gencor burners and associated equipment, 18 months minimum experience with Astec HMA equipment, and 18 months minimum experience with WEM, Gencor, and Astec controls. This individual must have computer skills, customer service, welding and fabrication, and Asphalt Plant Controls skills. Must be willing to work day and night shifts as needed, help with repair and maintenance projects, and be able to operate heavy equipment as well. 

 The hiring range for this position is $54.70 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.

A member of the S&P 500 Index, Martin Marietta is an American-based company and a leading supplier of heavy building materials – including aggregates, cement, ready-mixed concrete and asphalt. Through a network of operations spanning 28 states, Canada and the Bahamas, dedicated Martin Marietta teams supply the foundational resources upon which our communities thrive. Martin Marietta's Magnesia Specialties business produces high-purity magnesia and dolomitic lime products used worldwide in environmental, industrial, agricultural and specialty applications.

At Martin Marietta, we strive to work with the best and the brightest – those who have the potential to become our company's future leaders. Each of our roughly 9,500 people shares a common purpose regardless of their professional role or work environment. Together, we utilize our diverse skills and experiences to drive our company and its extraordinary culture forward. Our aim is to build on our foundation of success and help values-driven and hardworking people realize their full potential. When you decide to invest your career in Martin Marietta, you'll know what it's like to be respected, challenged and rewarded.

In return, we offer a highly competitive benefits package, including: 

  • Medical
  • Prescription Drug
  • Dental
  • Vision
  • Health Care Reimbursement Account
  • Dependent Care Reimbursement Account
  • Wellness Programs
  • Employee Assistance Plan
  • Paid Holidays and Vacation
  • 401(k) with Company matching
  • Pension
  • Salary Continuation – Short-Term Disability
  • Long-Term Disability Options
  • Employee Life Insurance
  • Spouse & Dependent Life Insurance
  • Business Travel Accident Insurance
  • Direct Deposit Payroll
  • Educational/Tuition Assistance Plan
  • College Scholarship Program – for dependent children
  • Matching Gift Program
  • New Auto Purchase Discount Plans

At Martin Marietta, we are proud to be an Equal Opportunity Employer. We are committed to providing an environment of mutual respect where equal employment opportunities are available to all qualified applicants and teammates. We celebrate diversity and commit that qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.

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