Robert Half is recruiting for an interim Accounting Manager / Controller Consultant to support our privately held Construction client in the Inland Empire. The Controller will be a "role up the sleeve" individual to prepare month-end close, process construction accounting rep, manage job cost reporting, and process full‑cycle payroll weekly—including union reporting and dues—for a workforce of up to 200 employees. This role requires hands‑on expertise with **Sage 300 CRE, WIP schedules, billing, and documenting SOPs to strengthen internal processes. This role will be located onsite in Ontario. CA. Key Responsibilities- Manage GL, AP, AR, job cost, and cash functions within Sage 300 CRE.- Prepare monthly financials and maintain the Work‑in‑Progress (WIP) schedule.- Lead month‑end close, reconciliations, journal entries, and audit support.- Create and update Standard Operating Procedures (SOPs)for accounting, payroll, and job cost workflows.- Prepare progress billings, T& M, AIA billing, and retention tracking.- Partner with project managers on job performance, cost projections, and change orders.- Process in‑house payroll for up to 200 employees (field + office)- Prepare certified payroll, union fringe reports, and remit union dues and trust fund payments.- Maintain compliance with prevailing wage, labor regulations, and union agreements.- Reconcile payroll liabilities and ensure accurate GL posting. Qualifications- 5+ years of construction accounting experience; Controller or Senior Accountant- Strong proficiency in Sage 300 Construction- Experience with WIP schedules, job cost accounting, and construction billing.- Hands‑on union payroll processing and reporting experience.- Ability to quickly assess processes and build clear, scalable SOPs.- Strong attention to detail and ability to operate independently in a contract environment.

• Minimum of 5 years of experience in construction accounting, with a background as a Controller or Senior Accountant. • Strong proficiency in Sage 300 and familiarity with job costing and Work-in-Progress schedules. • Demonstrated expertise in construction billing, including progress and retention invoicing. • Hands-on experience managing union payroll processes and reporting requirements. • Ability to assess existing workflows and create scalable, efficient SOPs. • Exceptional attention to detail and the ability to work independently in a contract environment. • Knowledge of industry-specific regulations, including prevailing wage compliance and union agreements.

Robert Half is the world’s first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles. Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. <a href="https://www.roberthalf.com/us/en/mobile-app" target="_blank">Download the Robert Half app</a> and get 1-tap apply, notifications of AI-matched jobs, and much more. All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit <a href="https://roberthalf.gobenefits.net/" target="_blank">roberthalf.gobenefits.net</a> for more information. © 2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking “Apply Now,” you’re agreeing to Robert Half’s <a href="https://www.roberthalf.com/us/en/terms">Terms of Use</a> and <a href="https://www.roberthalf.com/us/en/privacy">Privacy Notice</a>.

Ontario, CA
onsite
Temporary
60.00 - 70.00 USD / Hourly
Robert Half is recruiting for an interim Accounting Manager / Controller Consultant to support our privately held Construction client in the Inland Empire. The Controller will be a "role up the sleeve" individual to prepare month-end close, process construction accounting rep, manage job cost reporting, and process full‑cycle payroll weekly—including union reporting and dues—for a workforce of up to 200 employees. This role requires hands‑on expertise with **Sage 300 CRE, WIP schedules, billing, and documenting SOPs to strengthen internal processes. This role will be located onsite in Ontario. CA. Key Responsibilities- Manage GL, AP, AR, job cost, and cash functions within Sage 300 CRE.- Prepare monthly financials and maintain the Work‑in‑Progress (WIP) schedule.- Lead month‑end close, reconciliations, journal entries, and audit support.- Create and update Standard Operating Procedures (SOPs)for accounting, payroll, and job cost workflows.- Prepare progress billings, T& M, AIA billing, and retention tracking.- Partner with project managers on job performance, cost projections, and change orders.- Process in‑house payroll for up to 200 employees (field + office)- Prepare certified payroll, union fringe reports, and remit union dues and trust fund payments.- Maintain compliance with prevailing wage, labor regulations, and union agreements.- Reconcile payroll liabilities and ensure accurate GL posting. Qualifications- 5+ years of construction accounting experience; Controller or Senior Accountant- Strong proficiency in Sage 300 Construction- Experience with WIP schedules, job cost accounting, and construction billing.- Hands‑on union payroll processing and reporting experience.- Ability to quickly assess processes and build clear, scalable SOPs.- Strong attention to detail and ability to operate independently in a contract environment.
2026-02-11T22:58:41Z

Controller Job in Ontario, CA | Robert Half