Billing Associate

Location: Deer Park, NY

Job Type: Full-Time, Onsite

We are a fast-growing, family-oriented organization within the construction and skilled trades industry, known for our strong values, collaborative culture, and commitment to investing in our people. As we continue to scale, our Accounting team is expanding under new leadership, creating exciting opportunities for growth and development.

We are looking for a detail-oriented, efficient, and dependable Billing Associate to join our Accounting team. This role is responsible for project-based billing across multiple jobs and customers, ensuring all invoices are accurate, timely, and compliant with contract and industry requirements. You will play a key role in supporting our Operations and Finance teams while helping maintain healthy cash flow for the organization.

ResponsibilitiesPrepare and manage project-based invoices across multiple customers and jobsExecute progress billing, milestone billing, AIA billing, and change ordersEnsure billing accuracy, completeness, and compliance with contract termsMaintain and update billing data within the company’s ERP systemPartner with Project Managers and internal stakeholders to ensure billing aligns with job progressSupport AR functions as needed to maintain accurate accounts and efficient cash flowAssist with certified payroll and prevailing wage documentation, when requiredContribute to month-end close activities and help prepare audit-ready documentationMaintain detailed billing records and support process improvements within the teamRequired Qualifications2+ years of billing experience within the construction, general contracting, or skilled trades industryStrong experience with project-based billing, including AIA, milestone, and contract billing formatsProficiency with Excel (Pivot Tables, VLOOKUP, Index Match, etc.)Strong attention to detail, organization, and time-management skillsAbility to manage multiple deadlines in a fast-paced environmentStrong communication skills and experience working cross-functionallyPreferred QualificationsExperience with Sage ERP; familiarity with ConnectWise is a plusCertified payroll or prevailing wage reporting experienceExperience supporting month-end close or accounting workflowsWork EnvironmentTight-knit, family-oriented team cultureSmall Accounting department (team of six) with significant growth opportunityStandard schedule: 8:00am–5:00pm or 9:00am–6:00pm, with occasional additional hours during deadline cyclesDynamic and evolving environment as the team grows under a new Director of Finance

Job Type & Location

This is a Permanent position based out of Deer Park, NY.

Pay and Benefits

The pay range for this position is $60000.00 - $70000.00/yr.

Medical, Dental, and Vision Coverage: We provide comprehensive healthcare benefits to keep you and your family healthy and secure.\n401k with Matching: Plan for your future with our 401k program, featuring competitive company matching.\nPaid Time Off (Holiday/Vacation/Sick/Personal): Generous PTO to ensure a healthy work-life balance and time for relaxation and personal needs.\nUnlimited Growth Opportunities: We believe in fostering talent and providing opportunities for continuous professional growth.\nFamily-Friendly Company Events & Outings: We host regular events and outings to foster a family-friendly atmosphere and build team camaraderie, like our Warehouse Jam Sessions and Holiday Parties!\nBagel Thursdays & Tuesday Lunch Catering: Enjoy weekly treats with Bagel Thursdays and Tuesday Lunch catering at our offices!\nCaring Ownership: We believe in mutual dedication. If you're committed to Mason Technologies, we are equally committed to you. We prioritize the well-being of our employees and their families, ensuring a supportive and caring work environment.

Workplace Type

This is a fully onsite position in Deer Park,NY.

Application Deadline

This position is anticipated to close on Feb 11, 2026.

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\n\nAbout Aston Carter:\n

Aston Carter provides world-class corporate talent solutions to thousands of clients across the globe. Specialized in accounting, finance, human resources, talent acquisition, procurement, supply chain and select administrative professions, we extend the capabilities of industry-leading companies. We draw on our deep recruiting expertise and expansive network to meet the evolving needs of our clients and talent community with agility and excellence. With offices across the U.S., Canada, Asia Pacific and Europe, Aston Carter serves many of the Fortune 500. We are proud to be a ClearlyRated Best of Staffing® double diamond winner for both client and talent service.

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The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

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If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email astoncarteraccommodation@astoncarter.com for other accommodation options.

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