Plant Manager II

Production Sunol, California
Salary: USD 125, Annually

The Plant Manager II is a critical leadership role responsible for the total operational excellence of an aggregate production facility (crushed stone, sand, and gravel). This position provides strategic and tactical direction to ensure the site meets production, quality, and financial goals while championing Martin Marietta’s "Guardian Angel" safety culture.

The Plant Manager II oversees larger production volumes and complex multi-site operations. You will be accountable for the entire life cycle of the plant—from pit development and drilling/blasting to final product load‑out—while managing a diverse workforce of hourly and salaried personnel.

• Enforce all MSHA, state, and company safety regulations. Lead by example to achieve "Zero Harm," conducting regular safety meetings and site inspections.
• Cultivate a "Wingman" philosophy where employees take ownership of their own safety and the safety of their peers.
• Maintain all environmental permits and records (Air, Water, Reclamation). Ensure the site remains in 100% compliance with local, state, and federal laws.
• Oversee the daily crushing, washing, and screening operations. Design and adjust plant flows to maximize Tons Per Hour (TPH) and minimize downtime.
• Develop and execute short‑ and long‑term mining plans, including stripping, reclamation, and pit development.
• Collaborate with the QC department to ensure all products meet ASTM and DOT specifications. Investigate and resolve any material quality complaints immediately.
• Manage the plant’s operating budget, focusing on cost-per-ton reduction and efficiency improvements.
• Assist in the development of Capital Expenditure (CAPEX) requests and oversee the installation of new equipment or facility upgrades.
• Manage stockpiles and end‑of‑month inventory reporting; coordinate with Sales to ensure product availability matches market demand.
• Implement and manage a robust PM program for all fixed and mobile equipment to ensure maximum mechanical availability.
• Plan and execute major plant shutdowns for repairs, ensuring projects are completed safely, on time, and within budget.
• Directly supervise, coach, and mentor a team of production supervisors, lead persons, and hourly staff.
• Conduct annual performance reviews, identify training needs, and manage labor relations.
• Act as the primary face of Martin Marietta for the local community, neighboring landowners, and regulatory inspectors.

High school diploma, GED, or relevant experience.

5 – 7 years of experience in Aggregate Operations, with at least 3 years in a Supervisory or Management capacity.

• MSHA compliance and regulations
• Knowledgeable of aggregate processing equipment and pit design
• Knowledgeable of welding, repairs, and maintenance of mobile processing equipment
• Critical thinking
• Technical aptitude
• Business acumen
• Effective communication (written and spoken)
• Time management
• Process management
• Detail oriented
• Delegation
• Quality control methods

The hiring range for this position is $125,000 - $165,000 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, this role is eligible for our annual bonus program. Bonuses awarded under this program are determined based on the performance of the organization and the employee.

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; and life, AD&D and…