Office Manager

Welcome to Waste Resource Management (WRM)

At Waste Resource Management (WRM), we go beyond operating trucks —we are dedicated to environmental protection and delivering exceptional service. With a presence across Texas, Colorado, Florida, and Nevada, our affiliated companies—SouthWaste Disposal LLC, Silver City Processing, and McDonald Farms, Inc.—offer comprehensive solutions for liquid waste recycling and transportation.

Join a Company That Values You

At WRM and affiliated companies, your work matters—for the environment, our clients, and your career. If you’re ready for a company that pays well, offers a competitive benefits package, operates safely, and supports your growth, we want to hear from you.

Job Overview

As the Office Manager you are responsible for overseeing daily administrative and financial operations for the Denver office, ensuring accurate financial processing, effective office operations, and strong support of local business activities. This role partners closely with the Corporate Controller and Accounts Receivable/Accounts Payable teams while owning local accounts receivable execution, work order administration, and office management responsibilities.

This position plays a key role in maintaining financial accuracy, supporting audits, managing operational data and compliance reporting, and driving continuous process improvement across the Denver operation.

Why join WRM and affiliated companies?

• Comprehensive Benefits: Choose from one of three medical plans, based on your needs, dental, and vision coverage; along with 401(k) with 5% company match
• Career Growth: Training programs and advancement opportunities in wastewater operations and environmental services
• Paid Time Off: Generous PTO policy accrues from day 1, floating and company paid holidays.
• Additional Perks: Company-paid life and disability insurance, employee assistance program, and more
• Supportive Leadership: Leadership that values safety, professionalism and growth
  
  

What You’ll Do

• Manage the work order process, including creation, review, reconciliation of changes, and verification of pricing accuracy in accordance with customer agreements.
• Oversee local accounts receivable activities, including invoicing, billing accuracy, payment application, aging review, and collection support.
• Perform regular accounts receivable aging and collections analysis; escalate issues and support resolution of delinquent accounts.
• Audit work orders, billing, and related documentation to identify and resolve discrepancies in a timely manner.
• Serve as the primary point of contact for escalated customer inquiries related to billing, invoicing, and payment issues while maintaining positive client relationships.
• Manage waste manifests, compliance documentation, and operational data systems; ensure accurate reporting and record retention.
• Support local budgeting, forecasting, and basic financial analysis in coordination with the Controller and site leadership.
• Collaborate with internal teams and external auditors to support internal controls, internal audits, and annual audit activities.
• Identify opportunities to improve accounts receivable, accounts payable, and administrative workflows; recommend and implement process improvements.
• Oversee daily office operations, including administrative procedures, office systems, vendor coordination, and general office management.
• Ensure proper use, accuracy, and maintenance of accounting and operational systems used at the site level.
• Manage competing priorities and ensure deadlines are met in a fast‑paced operational environment.
• Perform other duties as assigned.
• Other duties as assigned.
  
  

Supervisory Responsibilities

• Provides direct supervision to a small team of accounts receivable and/or administrative staff performing transactional and administrative work.
• Responsible for training, coaching, performance feedback, and day‑to‑day work oversight.
  
  

What We’re Looking For

• Bachelor’s degree in Accounting, Finance, Business Administration, or a related field preferred.
• 3–5 years of progressive experience in accounting, accounts receivable, office administration, or operations administration; prior supervisory experience preferred.
• Strong working knowledge of accounting principles, financial reporting, internal controls, and accounts receivable and collections practices.
• Proficiency with accounting systems and Microsoft Office applications, with strong Excel skills.
• Strong analytical, organizational, and communication skills with high attention to detail.
• Ability to manage multiple priorities and deadlines in a fast‑paced environment.
• Demonstrated ability to work independently while collaborating effectively across departments.
• Proven problem‑solving skills with the ability to identify issues and implement practical solutions.
• High ethical standards and integrity in handling financial, operational, and customer information.
  
  

Equal Opportunity Employer

WRM is dedicated to fostering a diverse and inclusive workplace. We offer equal employment opportunities regardless of race, religion, gender, age, sexual orientation, veteran status, or disability.

Qualifications

CERTIFICATIONS:

N/A

Qualifications

• Bachelor’s degree in Accounting, Finance, Business Administration, or a related field preferred.
• 3–5 years of progressive experience in accounting, accounts receivable, office administration, or operations administration; prior supervisory experience preferred.
• Strong working knowledge of accounting principles, financial reporting, internal controls, and accounts receivable and collections practices.
• Proficiency with accounting systems and Microsoft Office applications, with strong Excel skills.
• Strong analytical, organizational, and communication skills with high attention to detail.
• Ability to manage multiple priorities and deadlines in a fast paced environment.
• Demonstrated ability to work independently while collaborating effectively across departments.
• Proven problem solving skills with the ability to identify issues and implement practical solutions.
• High ethical standards and integrity in handling financial, operational, and customer information.
  
  

Physical Requirements

• This position operates primarily in a professional office environment.
• Requires the ability to sit for extended periods of time while working at a computer and using standard office equipment, including computers, phones, printers, scanners, and copiers.
• Requires the ability to stand, walk, and move throughout the office as needed.
• Ability to occasionally lift, carry, or move items weighing up to 25 pounds, such as office supplies, files, or small packages.
• May require occasional bending, reaching, stooping, or accessing filing systems and storage areas.
• Ability to communicate effectively in person, by phone, and through electronic communication.
• Visual and auditory ability sufficient to read documents, analyze data, and communicate with employees, customers, and vendors.
• Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions of the position.
  
  

Equal Employment

We are an equal opportunity employer; committed to equal treatment of all employees without regard to race, national origin, religion, gender, age, sexual orientation, veteran status, physical or mental disability or other basis protected by law.

WRM complies with the ADA and considers reasonable accommodation measures that may be necessary for eligible applicants/Employees to perform essential functions.