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.

Oneida ESC Group has its roots in engineering, science, and construction. We are a family of tribally-owned diversified subsidiaries. We deliver Environmental Services, Engineering and Design Services, Construction Services, and Technical and Professional Services to government agencies and commercial customers worldwide. With strong technical and project management capabilities, we integrate innovation, experience, and dedication into every project that is supported by a diversity in our services and unity in our strengths.

Oneida ESC Group has an immediate opening for an Accounting Assistant in Milwaukee, WI on a Hybrid Schedule.

Key Responsibilities:

• 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.

Qualifications

• Education: Associate degree in Accounting, Finance, or related field (required).
• Experience: 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- $22/ Hour + Benefits

Benefits

• 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)

We integrate our staff for dedicated, cooperative, and business-like delivery of services to enhance our customers' missions.

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.