The Role
Support weekly billing, manage customer accounts, reconcile receivables and GL, drive collections, generate financial reports, assist audits, and collaborate with internal teams to improve financial reporting and analyze job performance.
Summary Generated by Built In
We are seeking an organized and detail-oriented A/R Assistant to join our Accounting & Finance team. The A/R Assistant will be responsible for supporting the weekly billing cycle, managing customer accounts, reconciling receivables, and assisting in job performance analysis. This position plays a critical role in ensuring accurate and timely financial transactions while working closely with internal departments including Operations, Business Development, and the CFO.
Responsibilities
- Assist with weekly invoice processing and customer billing
- Perform monthly account reconciliations and GL maintenance
- Maintain accurate and up-to-date customer account records
- Actively manage collections and follow up on delinquent receivables
- Collaborate with Managing Directors to validate invoice details
- Generate standard and ad hoc financial reports as needed
- Support internal and external audits by providing required documentation
- Contribute to job performance analysis and tracking
- Assist in ongoing improvements to financial reporting and processes
- Perform other duties as assigned by the CFO
Requirements
- Associate degree in Accounting
- 3–5 years of relevant experience in billing, A/R, or general accounting
- Proficiency with Microsoft Office (Excel, Word, Outlook); strong Excel skills preferred
- Familiarity with ERP systems; NetSuite/Oracle preferred
- Strong written and verbal communication skills
- Analytical mindset with attention to detail
- Ability to manage multiple tasks and prioritize deadlines
- Comfortable working independently and as part of a team
- Desirable: Experience in the oil and gas or industrial services industry
Benefits
- Paid Holidays
- Medical / Dental / Vision coverage
- Health savings account (HSA)
- Company Paid Life Insurance and Accidental & Dismemberment Insurance
- Voluntary Life Insurance
- 401k with a company match
- Paid Time Off
- Employee Assistance Program
- Professional Development Programs
- Employee Referral Programs
- Voluntary Benefits Offered
#INDHP
About
Keystone Clearwater Solutions is a leading provider of water and wastewater management services, offering customized solutions for the oil & gas, municipal, industrial, and construction sectors across the Eastern and Southern U.S. We specialize in water transfer, bypass pumping, temporary pipelines, dewatering, and water recycling, supported by a full fleet of pumps, tanks, generators, and technical support through our FieldForce® division. Our proprietary automation system, WaterForce®, enhances efficiency, safety, and compliance through real-time monitoring and remote controls. We also partner with KCF Technologies to implement 24/7 machine health monitoring, minimizing downtime and optimizing performance. Through our division Coral Reef Partners, we support renewable energy projects and ESG initiatives, while Sentinel Water Solutions delivers innovative PFAS treatment systems to help utilities meet evolving regulations. Keystone is committed to being the partner of choice by delivering safe, high-quality, and environmentally responsible solutions.
Skills Required
- Associate degree in Accounting
- 3-5 years experience in billing, A/R, or general accounting
- Proficiency with Microsoft Office (Excel, Word, Outlook)
- Strong Excel skills
- Familiarity with ERP systems
- NetSuite or Oracle experience
- Strong written and verbal communication skills
- Analytical mindset with attention to detail
- Ability to manage multiple tasks and prioritize deadlines
- Comfortable working independently and as part of a team
- Experience in the oil and gas or industrial services industry
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The Company
What We Do
Keystone Clearwater Solutions delivers engineered water and wastewater management services for the oil and gas, municipal, construction, and industrial sectors.
