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Salary
≈ $71k – $135k per year (Estimated)
Location
In office (Deer Park)
Seniority
Senior · 5+ years exp

Confirmed on the employer's own hiring board on Nov 3, 2026. First seen by Alion on Sep 29, 2026. Clean Harbors scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Clean Harbors is an environmental and industrial services company headquartered in Norwell, Massachusetts, specializing in the collection, treatment, recycling and disposal of hazardous and non-hazardous waste, emergency spill response and industrial cleaning. Founded in 1980 by Alan McKim, it runs hundreds of locations and more than 100 waste disposal facilities in the US and Canada, owns Safety-Kleen, the largest re-refiner of used oil in North America, and operates HPC-Industrial. It hires hazmat and field service technicians, chemists, equipment operators, CDL tanker and route drivers, mechanics, and compliance and operations managers.

Clean Harbors is looking for a Senior Collections Specialist to be responsible to collect large account receivables, prepare and maintain reports and customer files, recommend accounts slated for collection agencies or to be placed on hold, and prepare accounts receivable adjustments.

Why work for Clean Harbors?

  • Health and Safety is our #1 priority and we live it 3-6-5!

  • Competitive wages

  • Comprehensive health benefits coverage after 30 days of full-time employment

  • Group 401K with company matching component

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

  • Generous paid time off, company paid training and tuition reimbursement

  • Positive and safe work environments

  • Responsible for collection and management of a diverse account receivables portfolio, particularly large national customers, via telephone, email, website, etc., as necessary to successfully manage and collect.
  • Investigate, or refer for investigation, credit issues
  • Manage portfolio with particular attention to customer, industry, service line or economic trending
  • Review complex customer contracts and understand contracted terms and conditions, and make necessary referrals regarding receivables issues related to contracted terms and conditions as needed
  • Prepare monthly reports as requested or required
  • Utilize excellent customer services skills and telephone manner, including the ability to professionally address and resolve difficult customer interactions, as well as the ability to develop, foster and maintain customer relationships during the collection process
  • The ability to drive Sales and Operations staff on resolution of pending action items
  • Maintain customer files
  • Critically review and make recommendations to manager of accounts to be submitted to the legal department; Recommendations must meet standards for management review.
  • Review and reconcile customer accounts as needed
  • Critically review customer credit worthiness and status of outstanding customer receivables and place accounts on credit hold as per self-determination. Recommendations must meet standards for management review.
  • Prepare Accounts Receivable adjustments.
  • Bachelors degree in Accounting/Finance/Related field
  • 5+ years of experience in a similar role
  • Experience working with Government Accounts
  • Experience with Wide Area Workflow
  • Excellent customer services skills and telephone manners
  • Excellent communication and organizational skills
  • Ability to perform multiple tasks simultaneously
  • Ability to interface with all levels of management
  • Understanding of basic accounting principles
  • Understanding of basic customer procurement principles
  • Basic understanding of complex billing requirements
  • Ability to successfully manage and collect a portfolio of diverse national accounts
  • Ability to utilize current internet technology as a research tool
  • Ability to professionally address and resolve difficult customer interactions, as well as the ability to develop, foster and maintain customer relationships during the collection process
  • Ability to work with Customer Procurement or IT departments in resolution of any refinements, enhancements or conflicts that may arise impacting collections
  • Must be available to travel to customer accounts as required
  • Ability to critically review and make recommendations to manager of accounts to be submitted to the legal department. Recommendations must withstand management review.
  • Ability to review and reconcile customer accounts as needed
  • Demonstrated experience in the management of, and knowledge of successful collection techniques utilized with, National Accounts; Commercial collections experience; Previous finance experience a mustTop of Form

Wondering what to expect in starting your career with Clean Harbors? Click Here to view a Day in the Life Video!

40-years of sustainability in action. At Clean Harbors, our mission is to create a safer, cleaner environment through the treatment, recycling, and disposal of hazardous materials. 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.

Join our safety focused team today! To learn more about our company, and to apply online for this exciting opportunity, visit us at https://careers.cleanharbors.com/.

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 [email protected] 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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