Accounting Assistant

Accounting Assistant

Wholly owned by the Oneida Nation of Wisconsin,
Oneida ESC Group (OESC) is a holding company that provides a consistent, cost‑effective common management platform supporting our family of companies united under common ownership. OESC has an immediate opening for a full‑time Accounting Assistant based on a Hybrid Schedule out of the Milwaukee Office (1033 North Mayfair Road, Milwaukee, WI, 53226).

• Prepare and process client invoices for different contract types.
• Apply cash receipts to customer accounts and ensure accurate posting.
• Monitor accounts receivable and follow up with clients on outstanding balances.
• Maintain organized billing and collection records.
• Support other finance‑related tasks as needed, including data entry and reporting.

• Associate degree in Accounting, Finance, or a related field (required).
• 0–2 years in accounting or billing preferred; experience in government contracts a plus.
• Strong attention to detail and organizational skills.
• Proficiency in Microsoft Suite, particularly Excel.
• Excellent communication skills.

Compensation Range: $19 – $21.50 per hour + Benefits (Based on Experience)

• 15 days of Paid Time Off
• 8 Paid Holidays
• 1 Flex Holiday
• 401(k) Retirement Plan with Company Match
• Medical, Dental, and Eye Insurance
• Employee Referral Program
• Tuition Reimbursement
• Employee Assistance Program (EAP)
• Wellness Program

The Oneida ESC Group is a family of companies owned by the Oneida Nation of Wisconsin that delivers customer‑focused engineering, science, and construction services worldwide. Our family of companies includes:

• Oneida ESC Group (OESC)
• Oneida Professional Services (OPS)
• Oneida Total Integrated Enterprises (OTIE)
• Mission Support Services (MS2)
• Sustainment & Restoration Services (SRS)
• Oneida Engineering Solutions (OES)
• General Mechanical Corporation (GMC)
• LG2 Environmental Solutions (LG2)
• Oneida Environmental (OE)

Oneida ESC Group is an equal‑opportunity employer committed to inclusion and diversity in the workplace. We take affirmative action to ensure equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws, national origin, disability, veteran status, or other legally protected characteristics. Oneida ESC Group participates in the E‑Verify program.

Learn more about the E‑Verify program: https://(Use the "Apply for this Job" box below). Oneida ESC Group is committed to working with and providing reasonable accommodation to applicants with physical and mental disabilities. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training. Oneida ESC Group makes hiring decisions based solely on qualifications, merit, and business needs at the time.