Clean Harbors is seeking a National InSite Manager to provide operational leadership and floating support for refinery-based InSite programs. This role will initially support operations in El Segundo, CA, with additional support for refinery and InSite locations based on business needs.

The National InSite Manager will help launch new programs, train permanent site leadership, provide coverage for operational gaps, support customer-facing operations, and help ensure safe, compliant, and efficient execution across assigned locations. This role is also responsible for monitoring operational performance, supporting compliance expectations, and identifying growth opportunities within customer accounts.

This position is ideal for a candidate with leadership experience, strong operational judgment, and experience managing personnel, equipment, and site assets in a refinery, hazardous waste, transportation, environmental services, or industrial setting.

The role will begin in the El Segundo refinery area and later assist other refinery accounts, including Northern California and other locations, depending on business demand. Travel may vary depending on account needs, new program wins, and turnaround support.

Clean Harbors is the leading provider of environmental, energy and industrial services throughout the United States, Canada, Mexico and Puerto Rico. Everywhere industry meets environment, Clean Harbors is on-site, providing premier environmental, energy and industrial services. We are solving tough problems through innovation and proven methodology - come be part of the solution with us.

Why work for Clean Harbors?

• Health and Safety is our #1 priority and we live it 3-6-5
• Focus on maintaining sustainability and cleaning the Earth
• Competitive Pay: $75,000 - $85,000 salary DOE
• Comprehensive health benefits coverage after 30 days of full-time employment including 401K with Company match
• Opportunities for growth and development for all stages of your career
• Company paid training and tuition reimbursement

RESPONSIBILITIES

• Ensure Health and Safety is the number one priority by complying with all safe work practices, policies, and processes and always acting in a safe manner
• Support the implementation and startup of new InSite programs at refinery and industrial customer locations
• Train and develop permanent site managers and onsite leadership teams on operational expectations, customer requirements, and compliance standards
• Provide operational coverage for vacancies, PTO, LOA, onboarding periods, and other business needs
• Support refinery and InSite operations through onsite leadership presence, team guidance, and customer coordination
• Help oversee site assets, including trucks, bins, equipment, and other operational resources
• Conduct in-person site assessments and field visits to inspect equipment, working conditions, and overall operational performance
• Review operational reports, customer concerns, compliance issues, and safety matters and provide recommendations for improvement
• Support the review and update of JHAs, SOPs, Operations Manuals, and Health and Safety documentation as needed
• Help establish and communicate metrics, KPIs, and baseline operational expectations for assigned locations
• Partner with InSite Operations Managers, Site Leads, Branch Managers, and other internal stakeholders to communicate lessons learned, track corrective actions, and support performance improvement
• Review customer contracts and operational documentation to help ensure compliance with local, state, and federal environmental regulations and company requirements
• Build and maintain strong customer relationships while identifying service opportunities and supporting revenue growth
• Ensure employees and site operations are aligned with company goals, objectives, policies, and core values
• Safely operate vehicles in accordance with U.S. DOT, local, state, and federal requirements
• Safely observe all corporate operating guidelines, procedures, and environmental health and safety standards

QUALIFICATIONS

• High school diploma or equivalent required
• Bachelor's degree in Chemistry, Biology, Environmental Science, or related field preferred
• 5-7 years of relevant experience required, or an equivalent combination of education and experience
• Leadership experience required
• Experience managing personnel, equipment, fleets, or operational assets preferred
• Refinery experience preferred
• Hazardous waste, environmental services, transportation, or industrial operations experience preferred
• Strong interpersonal and communication skills with the ability to lead and collaborate in a team environment
• Strong organizational skills and attention to detail
• Ability to handle confidential information in a discreet and professional manner
• Proficiency with Microsoft Office applications including Word, Excel, PowerPoint, and Outlook
• Working knowledge of federal and state environmental regulations, including EPA and DOT requirements, preferred
• Ability to perform physical functions per job requirements
• Successfully complete a background check, drug test, and physical, by position
• Valid driver's license required
• 40-Hour OSHA HAZWOPER required
• TWIC preferred

Travel Requirements

• This role will initially be based around El Segundo, CA
• Must be open to travel in support of refinery and InSite operations
• Travel may vary depending on business need, operational coverage, new site startups, and turnaround activity
• Travel is expected to be approximately up to 50-60%

Clean Harbors Field Services teams perform a multitude of services, including sump and tank pump-outs, tank cleaning requiring confined space entry and vacuum services, building or site decontamination, large remediation projects and emergency response.

Clean Harbors is an equal opportunity employer. We do not discriminate against applicants due to race, ancestry, color, sexual orientation, gender identity, national origin, religion, age, physical or mental disability, veteran status, or based on any other federal, state/provincial, or local protected class.

Clean Harbors is a Military & Veteran friendly company.

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Job Identification: 158111
Category: Field Technicians
Posting Date: 2026-03-09
Job Schedule: Full time
Regular or Temporary: Regular
Job Function: Project Management
Locations: CA-RANCHO DOMINGUEZ: 18408 Laurel Park Road