Production Supervisor Ii

Martin Marietta Materials; Concord (CA); On-site; USD 104,000 - 135,000; Full time

Benefits offered by this job

Medical benefits

Dental insurance

Vision insurance

401(k) with company match

Job summary

Martin Marietta is seeking a Production Supervisor II in California to lead a team of hourly employees and ensure safe, efficient operations in line with Guardian Angel safety culture and ONE team values.

You will guide daily production, maintenance, and distribution activities, partner with the maintenance team on PM programs and manage procurement to reduce costs while upholding quality standards.

Qualifications

• High school diploma, GED, or relevant experience.
• 4+ years in Aggregates, Mining, or Construction Operations.
• Knowledge of production processes, quality control, and safety regulations (MSHA/EPA).

Responsibilities

• Champion Guardian Angel safety program; goal of zero incidents.
• Ensure MSHA/EPA compliance with permits and regulations.
• Lead safety meetings, site inspections and safety checks.
• Document incidents, near-misses and corrective actions with urgency.
• Coordinate daily production schedules to optimize efficiency and QC.
• Coordinate with maintenance for preventative maintenance (PM).
• Oversee procurement to control costs and supplier performance.
• Ensure staffing aligns with Plant Manager and labor laws.
• Support training, cross-training and employee development.
• Monitor KPIs for production, downtime and costs.
• Coach and develop hourly workforce and conduct performance reviews.
• Maintain plant appearance and environmental stewardship.
• Oversee dust collection, water management and site reclamation.

Skills

Production process

Quality control

Critical thinking

Problem solving

MSHA compliance

EPA compliance

Project management

Resource management

Effective communication

Plant knowledge

Education

High school diploma / GED

Job description

JOB SUMMARY

The Production Supervisor II is a critical leadership role responsible for the front-line management of daily operations at a Martin Marietta facility. This position ensures that all production, maintenance, and distribution activities are executed safely, efficiently, and in alignment with the company's "Guardian Angel" safety culture and "ONE" team values. You will lead a team of hourly employees, fostering an environment of accountability and continuous improvement while meeting production targets and quality control standards.

KEY DUTIES AND RESPONSIBILITIES

• Function as a champion for the Guardian Angel safety program, ensuring that "ZERO" (incidents) is the daily goal for every team member.
• Ensure 100% compliance with MSHA, EPA regulations, as well as state and local environmental permits.
• Conduct weekly/monthly safety meetings, perform routine site inspections, and oversee "Wingman" safety checks to identify and mitigate hazards immediately.
• Document all safety incidents, near-misses, and corrective actions with a high sense of urgency and transparency.
• Coordinate daily production schedules and activities to achieve the highest levels of efficiency and output while maintaining strict Quality Control (QC) standards.
• Work closely with the maintenance team to schedule and implement preventative maintenance (PM) programs for plant and mobile equipment (crushers, conveyors, screens, etc.).
• Manage the purchase of supplies and equipment in accordance with company policy, focusing on cost reduction and vendor efficiency.
• Purchase or direct the purchase of supplies and equipment in accordance with Martin Marietta's Controllers policies - recommend vendors to reduce costs.
• Coordinate staffing with the Plant Manager to operate the plant and coordinate the same needs with labor law compliance and affirmative action with the Human Resource Department properly and safely.
• Assist in the development of the annual human resources business plan and ensure continual development of employees through training, cross-training and other development tools.
• Generate profit plans, AFEs, market analyses and special reports for the approval of Plant Manager.
• Monitor and report on Key Performance Indicators (KPIs) related to production volume, downtime, and operational costs.
• Direct, teach, and coach an hourly workforce. Conduct annual performance evaluations and recommend merit increases or progressive discipline when necessary.
• Develop and nurture self-directed work teams through cross-training, safety education, and technical skill-building.
• Maintain exceptional plant appearance and housekeeping standards to reflect Martin Marietta's commitment to excellence and community stewardship.
• Monitor dust collection systems, water management, and site reclamation efforts to ensure minimal environmental impact.

QUALIFICATIONS

Education

High school diploma, GED, or relevant experience

Work Experience

4+ years in Aggregates, Mining, or Construction Operations

Knowledge, Skills, and Abilities

• Production process and methods
• Quality control methods
• Critical thinking
• Problem solving
• MSHA compliance and regulations
• EPA
• Project management
• Resource management
• Effective communicator (written and spoken)
• 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.

Compensation and Benefits

The hiring range for this position is $104,000 -$135,000 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 disability insurance. We also encourage our employees to plan for the future by offering a 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.

• 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

About Martin Marietta

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

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.