Administrative Coordinator – Billing & Purchase Orders (InSite Administration)

Starting Pay: $24.00–$27.00 per hour Schedule: Monday–Friday, 7:00 AM–3:30 PM Employment Type: Full-Time | On-Site

Clean Harbors is seeking an organized and detail-oriented Administrative Coordinator (InSite Administration) to join our San Diego, CA team!

This position provides essential administrative support to our local operations, with a primary focus on purchase order management, invoicing, document preparation, and general office coordination. The ideal candidate is highly organized, comfortable working with financial documentation, and capable of managing multiple administrative priorities in a fast-paced environment.

This is a 100% office-based position at our San Diego branch, offering a consistent Monday–Friday schedule with opportunities for optional Saturday overtime supporting Household Hazardous Waste (HHW) programs. 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

Comprehensive health benefits coverage after 30 days of full-time employment including 401K with Company match

Own part of the company with our Employee Stock Purchase Plan

Opportunities for growth and development for all the stages of your career

Company paid training and tuition reimbursement

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

Manage and track purchase orders (POs), ensuring accurate documentation and timely processing.

Prepare, review, and process invoices associated with operational activities and customer accounts.

Assist with accounts payable and accounts receivable documentation, maintaining accurate financial records.

Create, organize, and maintain job folders, project files, and related administrative documentation.

Prepare, print, scan, and file operational paperwork as needed.

Assist with administrative support for billable Household Hazardous Waste (HHW) programs.

Communicate with internal departments and operational personnel to resolve documentation or billing discrepancies.

Maintain accurate records and support efficient office operations.

Perform additional administrative tasks as assigned.

High school diploma or equivalent required.

3–5 years of administrative, office support, billing, or related experience preferred.

Experience with invoicing, purchase orders, or accounts payable/receivable strongly preferred.

Proficiency in Microsoft Office applications, particularly Excel, Word, and Outlook.

Strong organizational skills and attention to detail.

Excellent written and verbal communication skills.

Ability to manage multiple priorities while maintaining accuracy and meeting deadlines.

Comfortable working independently and collaborating with operational teams.

Previous experience with financial or enterprise management systems is a plus.

Experience in environmental services, industrial operations, or a related industry is helpful but not required.

Clean Harbors Technical Services

Waste Disposal – Comprehensive disposal of hazardous and non-hazardous waste at Company-owned facilities

Recycling Services – Extensive recycling, reuse and reclamation options for materials such as solvents, chemicals, oil and electrical equipment

Chemical Packing – Safe, efficient handling and disposal of the widest range of chemicals, including reactives and compressed gases

Household Hazardous Waste (HHW) Services – HHW collection programs of all types and sizes, facilitated by Clean Harbors expert personnel

Clean Harbors is an equal opportunity employer.

Clean Harbors is committed to providing access, equal opportunity and reasonable accommodation for individuals with disabilities in employment, its services, programs, and activities. To request reasonable accommodation, contact ect@cleanharbors.com or 1-844-922-5547.

Clean Harbors is a Military & Veteran friendly company.

Please be advised that Artificial Intelligence (AI) tools may be used to support certain stages of the recruitment process but are not used as a replacement for human decision making.

Clean Harbors is committed to complying with applicable pay transparency laws and ensuring fair and equitable compensation. The posted salary range reflects the minimum and maximum target for this role. Final compensation may vary based on factors such as location, experience, skills, and business needs. In addition to the base salary, some roles may be eligible for bonus or incentive compensation and a comprehensive benefits package.

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