HR Administrator (Part Time)

Oneida ESC GroupWauwatosa, WI
Onsite

About The Position

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 a Part-Time Temporary HR/Accounting Administrator. This position will be based on-site at our current Milwaukee HQ (1033 North Mayfair Road, Suite 200, Wauwatosa, Milwaukee, WI 53226). This is a temporary role from June through September, working approximately 20 hours per week.

Requirements

  • Strong organizational skills and high attention to detail
  • Ability to handle sensitive information with a high level of confidentiality
  • Proficiency in Microsoft Office (Excel and Outlook preferred)
  • Strong data entry skills and comfort working with large volumes of documentation

Responsibilities

  • Support a large-scale file scanning initiative to digitize and organize employee records by converting physical documents into HRIS system.
  • Assist with preparation and organization of an upcoming office move.
  • Maintain accurate and confidential employee records in compliance with data protection requirements.
  • Assist Accounting team with general administrative tasks, including data entry and reconciliation support.
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service