Office & Accounting Coordinator

Atlas Mountain Construction is seeking an experienced Office & Accounting Coordinator to manage the daily financial and administrative operations of our Doylestown office.

This is a hands-on position with significant responsibility for Sage 100 Contractor, bookkeeping, billing, accounts payable and receivable, job costing, ADP payroll, employee records, HR administration, and general office operations.

We are specifically looking for someone who is highly experienced with Sage 100 Contractor and understands accounting within a construction company. The ideal candidate should be comfortable maintaining accurate company books, tracking project financials, processing payroll, managing employee documentation, and keeping both the accounting and administrative sides of the company organized.

This is not a traditional receptionist position. This person will work directly with ownership, project managers, employees, subcontractors, vendors, and our outside accounting professionals.

Responsibilities include:

Advanced daily use of Sage 100 Contractor

Maintain accurate company books and accounting records

Perform bookkeeping and general ledger maintenance

Manage accounts payable and accounts receivable

Prepare and process customer invoices, progress billings, and pay applications

Enter and process vendor and subcontractor invoices

Maintain accurate construction job costing and cost codes

Track project budgets, expenses, commitments, and profitability

Track contracts, purchase orders, change orders, retainage, and stored materials

Perform bank and account reconciliations

Process and maintain journal entries

Prepare financial and accounting reports for management

Maintain organized records and documentation for year-end accounting and outside accountants

Administer ADP payroll and timekeeping

Review employee hours and payroll information for accuracy

Maintain employee payroll, compensation, and employment records

Coordinate employee onboarding and offboarding

Maintain employee files and required HR documentation

Assist with benefits, PTO, company policies, and general HR administration

Maintain subcontractor and vendor records, including W-9s, certificates of insurance, and other required documentation

Track lien waivers and project billing documentation

Maintain organized digital and physical company records

Assist with phones, emails, scheduling, correspondence, and general office operations

Work directly with project managers and leadership to keep project accounting, billing, and documentation current

Qualifications:

Strong Sage 100 Contractor experience is highly preferred

Strong bookkeeping and construction accounting experience

Experience with ADP payroll and timekeeping

Experience with accounts payable, accounts receivable, general ledger, reconciliations, billing, and job costing

Understanding of construction progress billing, pay applications, retainage, and change orders

Experience with payroll and HR administration

Proficiency with Microsoft Excel, Outlook, Word, and general office software

Excellent organizational skills and attention to detail

Ability to handle confidential financial and employee information professionally

Ability to manage multiple projects, deadlines, employees, vendors, and accounting responsibilities simultaneously

Strong written and verbal communication skills

Ability to work independently and take ownership of responsibilities

Construction industry experience strongly preferred

Accounting, finance, business administration, HR, or related education is beneficial, but strong hands-on experience is equally valued