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Administrative Assistant

Waste Connections of Canada
Walnut, CA Full Time
POSTED ON 7/21/2026
AVAILABLE BEFORE 8/19/2026

Waste Connections has an immediate opening for an Administrative Assistant to support daily operations at our landfill Walnut, MS.

Responsibilities

  • Minimum of 2 years of previous administrative or office support experience.

  • Provide administrative support to landfill management and operations personnel.

  • Greet and assist customers, contractors, and vendors in a professional and courteous manner.

  • Answer multi-line phones, direct calls, and respond to customer inquiries.

  • Process landfill transactions, tickets, payments, and receipts accurately.

  • Maintain customer accounts and update information for billing and reporting purposes.

  • Assist with accounts payable, purchase orders, and invoice processing.

  • Prepare reports, spreadsheets, correspondence, and other documentation as needed.

  • Maintain landfill records and support regulatory compliance documentation.

  • Coordinate with customer service, dispatch, accounting, and operations teams to resolve customer concerns and service issues.

  • Research and assist with customer billing inquiries and disputes.

  • Demonstrate the ability to become proficient with company software and proprietary operating systems.

  • Effectively communicate operational issues, customer concerns, and opportunities for improvement to management.

  • Support employee onboarding paperwork, recordkeeping, and miscellaneous HR-related administrative tasks.

  • Promote Waste Connections' commitment to safety, environmental compliance, and operational excellence.

  • Maintain filing systems and ensure accuracy of data entry and records management.

  • Perform other duties as assigned.

Requirements: The ideal candidate will possess:

  • Experience with Microsoft Word, Excel, Outlook, and general office software.

  • Strong customer service and communication skills, both verbal and written.

  • Excellent organizational skills and attention to detail.

  • Ability to multitask and prioritize responsibilities in a fast-paced environment.

  • Experience working in transportation, waste, landfill, construction, logistics, or industrial environments preferred.

  • Accounts payable or bookkeeping experience is a plus.

  • Ability to work independently and as part of a team.

  • Comfortable working in an office environment located at an active landfill operation.

  • Experience with scale house systems, ticketing, or cash handling is a plus but not required.

What You'll Get From Us

  • Competitive Compensation

  • 401(k) with Company Match

  • Medical, Dental, and Vision Insurance

  • Employee Assistance Program (EAP)

  • Emergency Travel Assistance

  • Prepaid Legal Plan

  • Scholarship Opportunities for Dependents

  • Employee Stock Purchase Plan

  • Employee Relief Fund

  • Life Insurance

  • Short-Term and Long-Term Disability Coverage

Waste Connections is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to disability or protected veteran status.

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Salary.com Estimation for Administrative Assistant in Walnut, CA
$48,137 to $59,149
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