Assistant Accountant

Sullivan Environmental Services Inc • New York, NY

27d • Onsite

About The Position

SLSCO is seeking an organized, detail‑oriented Assistant Accountant to support project accounting on a major public PLA mega‑project in New York City. Reporting to the Accountant, this full‑time, in-office role is responsible for all project-level financial and administrative processing, ensuring that information entered, tracked, and submitted is complete, accurate, timely, and fully compliant with owner and company requirements. The ideal candidate has familiarity with prevailing wage, certified payroll, MWBE, and public-agency documentation requirements with proficiency in CMiC, Textura, Excel, and ACC.

Requirements

• Proficiency with CMiC, Textura, Excel; working knowledge of ACC or similar accounting platforms
• Strong attention to detail, time management, and ability to meet weekly and monthly deadlines
• Excellent interpersonal skills for working with project teams, subcontractors, and compliance officers
• Must be able to work full‑time, onsite in NYC

Nice To Haves

• 2–3 years accounting experience; construction/project accounting or public contract experience strongly preferred
• Associate’s or Bachelor’s degree in Accounting, Finance, or related field

Responsibilities

• Post and allocate materials, and subcontractor costs to project cost codes in CMiC/ACC and reconcile to job ledgers
• Maintain accurate and up-to-date job cost records, including labor, materials, equipment, and subcontract costs
• Track purchase orders, change orders, and commitments, ensuring alignment between contracts, approvals, and system entries
• Support requisitions and payment submissions to owner by compiling required backup and verifying completeness
• Coordinate with project team members to obtain missing or corrected documentation as needed
• Perform detailed reviews of data prior to submission to ensure accuracy, consistency, and completeness
• Identify discrepancies or missing information and escalate promptly to the Project Accountant or Project Controller
• Maintain strict version control and documentation standards
• Process vendor invoices, subcontractor pay applications, and employee cost allocations in accordance with contract terms and owner requirements. Manage lien waiver collection, verify subcontractor compliance documentation, and track lien waiver status
• Support invoicing and collections for owner billings; reconcile A/R balances and escalate exceptions
• Assist auditors and client representatives with requests for financial and compliance documentation; ensure timely, accurate responses
• Serve as a key administrative liaison between the project team, accounting, and external partners
• Provide timely and reliable support to ensure project financial processes run smoothly
• Support owner interactions by ensuring required documentation is organized, accurate, and readily available

Benefits

• Opportunity to work on a landmark public project with an experienced design‑build team
• Hands‑on exposure to project accounting, compliance, and process improvement
• Competitive salary and benefits package; professional development and mentorship opportunities
• Inclusive workplace committed to equity and compliance with all public contracting requirements

What This Job Offers

• Job Type: Full-time
• Career Level: Entry Level
• Education Level: Associate degree