Operations Lead

Martin Marietta; Corona (CA); On-site; USD 69,000 - 83,000; Full time

Benefits offered by this job

Medical coverage

Dental coverage

Vision coverage

Health Savings Account

Flexible Spending Accounts

Life/AD&D/Disability insurance

401(k) with company match

Pension plan

Paid time off

Paid holidays

Education/tuition assistance

Employee discount program

Adoption assistance

Wellness programs

Job summary

Martin Marietta in Corona, CA is seeking an Operations Lead to supervise daily production activities, coordinate shifts, and ensure safety and efficiency on the plant floor. You will work between management and frontline staff, driving targets while maintaining high quality output and strong housekeeping standards.

The role emphasizes leadership, training of new hires, and collaboration with maintenance to keep conveyors and crushers running smoothly.

Qualifications

• High school diploma or GED; relevant experience accepted.
• 3–5 years in the Aggregates industry preferred.
• Supervisory or progressive leadership experience.
• Knowledge of MSHA regulations and safety standards.
• Strong mechanical aptitude and problem solving.
• Effective written and spoken communication.

Responsibilities

• Plan and organize employee shifts to meet daily production goals.
• Provide input on performance evaluations and disciplinary actions.
• Assist in training on plant systems, safety, and equipment.
• Complete daily production, safety, and maintenance reports.
• Enforce safety rules and internal standards.
• Conduct safety, housekeeping, and equipment inspections.
• Lead daily safety meetings to uphold Guardian Angel culture.
• Operate plant machinery and mobile equipment as needed.
• Coordinate preventative and emergency repairs with Maintenance Supervisor.
• Maintain clean, professional plant appearance reflecting quality output.
• Assist management in long-term mining plans, profit plans, and forecasts.
• Identify and order essential parts to minimize downtime.

Skills

Supervisory experience

Production equipment operation

Troubleshooting

MSHA compliance

Mechanical aptitude

Time management

Problem solving

Detail oriented

Effective communicator

Leadership

Plant components knowledge

Education

High school diploma, GED, or relevant experience

Job description

This position involves various manual tasks including, but not limited to, the following: shoveling; sweeping; lifting, pushing and pulling various objects and raking. Willingness to learn to operate various equipment, such as a skid steer, backhoe, pavers, rollers, etc.

The Operations Lead is a "working supervisor" role responsible for the safe and efficient execution of daily production activities. This position bridges the gap between management and frontline operations by coordinating the work of plant employees, ensuring adherence to safety protocols, and maintaining equipment reliability. The primary objective is to achieve production targets while fostering a culture of excellence, high-quality output, and meticulous housekeeping.

The Operations Lead communicates standards of excellence in the daily work assignments of assigned teams to meet safety production as outlined by Management. Standards are communicated through stated goals, daily interaction, and team meetings.

Key Duties And Responsibilities

• Plan and organize employee shifts to ensure all daily work assignments meet production goals.


• Provide input on employee performance evaluations and recommend disciplinary actions or commendations, as necessary.


• Aid in the training of new hires and co-workers on plant systems, safety procedures, and mobile equipment operation.


• Complete daily production, safety, and maintenance reports accurately using company software and traditional logs.


• Implement and enforce all safety rules and procedures set forth by MSHA, state/local agencies, and Martin Marietta’s internal safety standards.


• Conduct regular safety, housekeeping, and mechanical inspections of all work areas to identify and mitigate hazards.


• Participate in the plant safety committee and lead daily safety meetings to keep the "Guardian Angel" culture at the forefront of operations.


• Operate plant machinery and mobile equipment (loaders, haul trucks, etc.) as needed to support production flow.


• Work closely with Maintenance Supervisor to schedule and implement preventative and emergency repairs on conveyors, screens, and crushers.


• Maintain plant appearance standards to reflect a professional and safe environment, ensuring product quality is not compromised by debris or poor organization.


• Assist management in developing long-term mining plans, profit plans, and monthly production forecasts.


• Aid in identifying and ordering essential parts (bearings, idlers, pulleys) and supplies to minimize downtime.

Qualifications

Education

High school diploma, GED, or relevant experience

Work Experience

3 - 5 years of experience, preferably in the Aggregates Industry

Knowledge, Skills, And Abilities

• Minimum of 1 year Supervisory or progressive leadership experience


• Production equipment operation


• Troubleshooting


• MSHA compliance and regulations


• Mechanical aptitude


• Time management


• Problem solving


• Detail oriented


• Effective communicator (written and spoken)


• Leadership


• Strong knowledge of plant components

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.

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.

Salary and Benefits

The hiring range for this position is $50 -$60 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.