Top 73 Superintendent Jobs in Mountain Pass Ca

Solvent Extraction Superintendent
MP Materials Corp. —Mountain Pass, CA
- $120,000 - $150,000 a year
- 5 years
- Ability to lift 50 pounds
- Bachelor's degree
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Traveling Asphalt Paving Foreman
Hal Hays Construction, Inc. —California
- $40 - $45 an hour
- Overtime
- Background check
- Spanish
- Clean driving record
- Fuel card
- Paid holidays
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Traveling Electrical Superintendent
PROGRESSIVE TECHNOLOGIES, INC —United States
- $36 - $42 an hour
- Full-time
- Background check
- Spanish
- Construction site
- Health insurance
- Dental insurance
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OCONUS Mechanical Superintendent - Active Top Secret Clearance Required
AED Stratecon —United States
- Full-time
- Construction site
- 5 years
- Supervising experience
- Health savings account
- Disability insurance
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2d
Transmission Line Superintendent (Owner's Rep)
Summit Energy Group, LLC —United States
- $70 - $75 an hour
- Full-time
- Microsoft Outlook
- Management
- Construction site
- Health savings account
- Health insurance
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Field Superintendent
Five Star Airport Alliance —United States
- $80,000 - $90,000 a year
- Full-time
- Background check
- CPR Certification
- Construction site
- Health insurance
- Dental insurance
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Fire Sprinkler Fitter Foreman (TRAVELING)
North American Fire Protection —United States
- $30 - $40 an hour
- Overtime
- Background check
- Construction site
- 8 years
- Profit sharing
- Paid training
Quick Apply
Traveling Federal Construction Triple Hat (Superintendent/QCM/SSHO) (10 + years experience required)
C&C Contractors LLC —United States
- $80,000 - $125,000 a year
- Full-time
- Background check
- CPR Certification
- Construction site
- Health insurance
- Dental insurance
Quick Apply
Data Center Superintendent - Travel
Team LINX —United States
- $35 - $48 an hour
- Full-time
- Background check
- Construction site
- English
- Health savings account
- Paid holidays
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12d
Low Voltage/Commercial Construction Foreman - Travel
Team LINX —United States
- $30 - $38 an hour
- Full-time
- Background check
- Construction site
- English
- Health savings account
- Paid holidays
Quick Apply
9d
Low Voltage Superintendent – Data Center & Commercial Construction
Team LINX —United States
- $35 - $48 an hour
- Full-time
- Background check
- Construction site
- 5 years
- Health savings account
- Paid holidays
Quick Apply
12d
Construction Superintendent (National Traveling)
Horizon Retail Construction —United States
- Full-time
- Microsoft Outlook
- Construction site
- 5 years
- Paid holidays
- Health insurance
Quick Apply
Commercial Superintendent (Ground Up)
Martin Commercial Properties —United States
- $120,000 - $130,000 a year
- Full-time
- Construction site
- Mid-level
- 3 years
- Health insurance
- Dental insurance
Quick Apply
Structural Steel and Precast Erection Superintendents
Skillforce —United States
- $30 - $40 an hour
- Full-time
- Background check
- Clean driving record
- Construction site
- Dental insurance
- 401(k)
Quick Apply
6d
Electrical Superintendent, Solar & BESS
Summit Energy Group, LLC —United States
- $60 - $65 an hour
- Full-time
- Microsoft Outlook
- Construction site
- Ability to walk for extended periods
- Health savings account
- Health insurance
Quick Apply
1d
Superintendent - Electrical Services
Beitzel Corporation —United States
- $90,000 - $170,000 a year
- Extended hours
- Construction site
- 5 years
- Ability to lift 50 pounds
- Paid holidays
- Disability insurance
Traveling Electrical Superintendent
Owen Electric Company, Inc. —United States
- Weekends as needed
- CPR Certification
- OSHA
- Construction site
- Fuel card
- Paid holidays
Quick Apply
Electrical Foreman - National Travel
Interstates —United States
- Overtime
- Construction site
- Mid-level
- Driver's License
- Paid holidays
- Disability insurance
Quick Apply
Traveling Electrical Industrial Superintendent
Owen Electric Company, Inc. —United States
- Full-time
- Construction site
- 5 years
- Driver's License
- Paid holidays
- Health insurance
Quick Apply

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Traveling Asphalt Paving Foreman
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Construction Superintendent
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5+ years experience as a commercial superintendent with good computer and communication skills. Construction Superintendents: 10 years (Preferred).
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Superintendent – Commercial & Multifamily Construction
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Solvent Extraction Superintendent

MP Materials Corp. -
Mountain Pass, CA

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Job Details

$120,000 - $150,000 a year

Qualifications

Chemical extraction
Team leadership
Manufacturing facility experience
Team development
Management reporting
Managing manufacturing teams
Technical troubleshooting support
Productivity software
Chemical plant experience
Manufacturing company experience
Technical Proficiency
Production troubleshooting
Team building

Full Job Description

Company Overview:

MP Materials (NYSE: MP) is rebuilding American industrial capability for a new era of autonomy, robotics, and electrification.

We are the only U.S. company with a fully integrated rare earth supply chain—from mining and refining to advanced metal and magnet manufacturing. Our products include both the critical materials used to make permanent magnets and the finished magnets themselves—enabling next-generation technologies in robotics, automation, aerospace, transportation, defense, and energy systems. These materials are the foundation of physical AI—the convergence of computation, movement, and control.

We hire ambitious, mission-driven people who want to tackle complex challenges and shape the future of strategic industries. Our culture is rooted in teamwork, resiliency, and integrity, with a deep commitment to operational excellence and national purpose. MP is rapidly evolving from a materials producer into a leading U.S. manufacturer—and our people are driving that transformation.

Position Overview:

The Solvent Extraction (SX) Superintendent is responsible for the safe, reliable, and efficient operation of multiple rare earth separation facilities across site operations. This position provides leadership and direction to SX operations teams while driving operational excellence, process optimization, workforce development, and continuous improvement initiatives.

The SX Superintendent works closely with all operations, maintenance, engineering, metallurgy, EHS, and project teams to ensure production targets, quality standards, and safety expectations are consistently achieved. This role is responsible for building strong frontline leadership, developing operating discipline, and ensuring sustainable performance across all SX areas.

Position Responsibilities:

Lead and manage all day-to-day SX operations activities across multiple SX circuits and operating areas.
Provide after-hours leadership support to ensure uninterrupted production and timely resolution of operational disruptions.
Ensure prompt response to production escalations and coordination of resources to address production issues.
Drive a strong safety culture through visible field leadership, operational discipline, hazard recognition, and compliance with all MSHA, Cal-OSHA, and company safety standards.
Provide leadership and direction to supervisors, operators, and support personnel while promoting accountability and team development.
Partner with maintenance and reliability teams to improve equipment uptime, reduce operational disruptions, and prioritize critical repairs.
Collaborate with metallurgical and technical teams to optimize SX performance, improve recoveries, and reduce process variability.
Monitor and analyze operational KPIs including throughput, recovery, reagent consumption, organic losses, downtime, and production efficiency.
Support commissioning, startup, and ramp-up activities for new SX circuits and expansion projects.
Ensure operating procedures, standards, and best practices are developed, maintained, and consistently followed.
Support workforce development through coaching, mentoring, succession planning, and operational training initiatives.
Drive continuous improvement efforts including 5S, operational excellence, process optimization, and cost reduction initiatives.
Participate in budgeting, manpower planning, and operational resource allocation.
Maintain strong field presence and engagement with frontline teams to reinforce expectations and operational priorities.

Basic Qualifications:

Minimum of 7+ years of experience in solvent extraction operations, hydrometallurgical processing, chemical processing, or related industrial operations.
Minimum of 5+ years of leadership experience in a supervisor or superintendent-level role.
Strong working knowledge of solvent extraction principles, process control strategies, and hydrometallurgical operations.
Demonstrated ability to lead through change, drive accountability, and develop high-performing teams.
Strong troubleshooting and problem-solving skills related to process and operational performance.
Proficiency with Microsoft Office Suite and operational reporting systems.

Desired Qualities:

Bachelor’s degree in Chemical Engineering, Metallurgical Engineering, Chemistry, or related technical discipline.
Experience in rare earth processing or similar hydrometallurgical operations.
Experience supporting plant commissioning, startup, and expansion projects.
Working knowledge of MSHA and Cal-OSHA regulations and safety management systems.
Familiarity with continuous improvement methodologies and operational excellence systems.

MP Materials is Proud to be an Equal Opportunity / Affirmative Action Employer

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other characteristic protected by law. Underrepresented groups/Women/Disabled/Veterans are encouraged to apply. Candidates whose disabilities make them unable to meet the position’s requirements will still be considered qualified if they can perform the essential functions of the job with reasonable accommodation.

Your Right to Work – In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment verification document form upon hire.

For Assistance with Application - Alternative methods of applying for employment are available to individuals unable to submit an application through this site because of a disability. Contact Human Resources Department at 702-844-6111; dial 7 when prompted for HR;1700 South Pavilion Center Dr. 8th Floor, Las Vegas, NV 89135 to discuss reasonable accommodation.

Safety Provision - Employees are responsible for following all company, industry and regulatory procedures and laws to ensure a safe work environment for themselves and the company. Employees must have a willingness to promote safety among the workforce, participate in Process Hazard Analysis procedures and Pre-Startup Safety Reviews.

(PPE) Personal Protective Equipment is required when performing work in a mine, manufacturing, outdoor, or plant environment. Required PPE may include, but is not limited to, hard hat, hearing protection, safety glasses, safety footwear, respirator, rubber steel-toe boots, protective clothing, gloves, and any other protective equipment as required.

Working Conditions - Our facility sits at an elevation of 4,700 feet. Employees may be subject to extreme weather conditions when working in an outdoor setting (heat and cold, wind). Work is at an open pit mine or manufacturing/chemical plant setting, which may include exposure to moving mechanical parts, toxic chemicals, risk of electrical shock, explosives, fumes, or airborne particles.

Physical Demands - Manual dexterity; sense of touch; sense of smell; speaking clearly; hearing-speech range; hearing – all ranges; seeing, reading and comprehensions; seeing – distant/near; depth perception; color vision. While performing the job responsibilities, the employee is required to talk and hear. The employee is often required to stand and use their hands and fingers, to handle or feel and to manipulate laboratory equipment. The employee is occasionally required to walk, reach with arms and hands, climb or balance, and to stoop, kneel, crouch or crawl. Vision abilities required by this job include close vision. Employees must pass a full-face respiratory fit test. Employees must be able to lift 50 lbs. Must be able to work in PPE level C. These requirements are representative, but not all-inclusive, of the knowledge, skill, and ability required of the employee.

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Refine Your Search

superintendent jobs in mountain pass ca

Solvent Extraction Superintendent

Traveling Asphalt Paving Foreman

Traveling Electrical Superintendent

OCONUS Mechanical Superintendent - Active Top Secret Clearance Required

Transmission Line Superintendent (Owner's Rep)

Field Superintendent

Fire Sprinkler Fitter Foreman (TRAVELING)

Traveling Federal Construction Triple Hat (Superintendent/QCM/SSHO) (10 + years experience required)

Data Center Superintendent - Travel

Low Voltage/Commercial Construction Foreman - Travel

Low Voltage Superintendent – Data Center & Commercial Construction

Construction Superintendent (National Traveling)

Commercial Superintendent (Ground Up)

Structural Steel and Precast Erection Superintendents

Electrical Superintendent, Solar & BESS

Superintendent - Electrical Services

Traveling Electrical Superintendent

Electrical Foreman - National Travel

Traveling Electrical Industrial Superintendent

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