We are seeking a seasoned Senior Billing Specialist to spearhead the financial operations for our high-scale construction portfolio. This role is responsible for ensuring the accuracy, timeliness, and compliance of all project-related billing, acting as a critical link between project management and corporate finance.salary: $35 - $45 per hourshift: Firstwork hours: 8 AM - 4 PMeducation: BachelorsResponsibilities AIA Billing Management: Lead the preparation of monthly contract billings in strict adherence to American Institute of Architects (AIA) standards. This includes the precise completion and submission of G702 (Application and Certificate for Payment) and G703 (Continuation Sheet) forms. Documentation & Compliance: Oversee a rigorous, audit-ready billing archive. You will manage the collection, verification, and organization of essential paperwork, including conditional and unconditional lien waivers (progress and final), and 2nd-tier subcontractor documentation. Financial Software Operations: Execute high-volume billing workflows using industry-specific platforms such as SAGE 300, Siteline, Textura, and GCPay. Project Collaboration: Partner with Project Managers to validate billing data, ensuring all labor costs, materials, subcontractor invoices, and retainage calculations are accurate and supported by evidence. Accounts Receivable & Collections: Proactively manage the collections process by performing account reconciliations, following up on aged invoices, and resolving discrepancies to optimize cash flow. SkillsBillingProject AccountingARCollectionsQualificationsYears of experience: 0 yearsExperience level: ExperiencedRandstad is a world leader in matching great people with great companies. Our experienced agents will listen carefully to your employment needs and then work diligently to match your skills and qualifications to the right job and company. Whether you're looking for temporary, temporary-to-permanent or permanent opportunities, no one works harder for you than Randstad. Equal Opportunity Employer: Race, Color, Religion, Sex, Sexual Orientation, Gender Identity, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status.At Randstad, we welcome people of all abilities and want to ensure that our hiring and interview process meets the needs of all applicants. If you require a reasonable accommodation to make your application or interview experience a great one, please contact HRsupport@randstadusa.com.Pay offered to a successful candidate will be based on several factors including the candidate's education, work experience, work location, specific job duties, certifications, etc. In addition, Randstad offers a comprehensive benefits package, including: medical, prescription, dental, vision, AD&D, and life insurance offerings, short-term disability, and a 401K plan (all benefits are based on eligibility).This posting is open for thirty (30) days. It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.