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Senior Collections Specialist

QualSpec

Remote · Deer Park, TX · Posted September 30, 2026

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Among bill and account collectors, AI is already used for some of the tasks. Measured exposure for bill and account collectors: 30% (some).

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About the job

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 must Top 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 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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