Description We are seeking an organized and detail-oriented A/R Specialist to join our Accounting & Finance team. The position 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 or construction 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 Keystone Clearwater Solutions delivers engineered water and wastewater management services for the oil and gas, municipal, construction, and industrial sectors across the Eastern and Southern U.S. With expertise in water transfer, temporary pipelines, pumping, storage, and automation, Keystone provides reliable, environmentally responsible solutions that keep operations running safely and efficiently. Built on the values of Safety, Integrity, Dedication, and Professionalism, Keystone is recognized for its people, quality service, and commitment to continuous improvement. With 24/7 operations and locations throughout Pennsylvania, Ohio, West Virginia, and Texas, Keystone offers meaningful career opportunities for individuals who want to make an impact in critical infrastructure and environmental stewardship. EOE Statement Keystone Clearwater Solutions is an Equal Opportunity Employer. Keystone Clearwater Solutions does not discriminate on the basis of race, religion, color, sex, gender identity, sexual orientation, age, non-disqualifying physical or mental disability, national origin, veteran status or any other status protected under federal, state, or local law. All employment is decided on the basis of qualifications, merit, and business need.