Demo

HR Administrator (Part Time)

OESC (Oneida ESC Group)
Milwaukee, WI Part Time
POSTED ON 4/17/2026
AVAILABLE BEFORE 5/16/2026
Description

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 Administrator. This position will be based on-site at our Milwaukee HQ (1033 North Mayfair Road, Suite 200, Wauwatosa, Milwaukee, WI 53226). This position will be a temporary position between May 4th- September 25th, for 20 hour per week with the possibility of extension based upon workload.

Key Responsibilities

  • Digitize and organize employee records by converting physical documents into electronic files.
  • Maintain accurate and confidential employee records in compliance with data protection regulations.
  • Assist with the development and implementation of HR policies and procedures
  • Support performance management processes and maintain related documentation
  • Coordinate training sessions and employee development initiatives
  • Serve as a point of contact for employee inquiries, helping resolve issues and promote a positive workplace culture

Requirements

Minimum Qualifications:

  • High school diploma with 2 years of administrative experience, OR Associate degree with 2 years of administrative experience, OR Bachelor’s degree in Human Resources or related field
  • Strong organizational skills and attention to detail
  • Excellent verbal and written communication skills
  • Ability to handle sensitive information with a high level of confidentiality
  • Familiarity with employment laws and regulations is a plus

Compensation: $20/Hour for ~20 Hours Per Week

About Us

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.

Equal Employment Opportunity

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://www.e-verify.gov/

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.

Salary : $20

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a HR Administrator (Part Time)?

Sign up to receive alerts about other jobs on the HR Administrator (Part Time) career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$114,907 - $150,919
Income Estimation: 
$156,288 - $210,152
Income Estimation: 
$132,976 - $201,974
Income Estimation: 
$72,051 - $89,364
Income Estimation: 
$90,738 - $114,279
Income Estimation: 
$132,976 - $201,974
Income Estimation: 
$106,129 - $145,100
Income Estimation: 
$121,512 - $169,501
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at OESC (Oneida ESC Group)

  • OESC (Oneida ESC Group) Ventura, CA
  • Description Sustainment & Restoration Services (SRS) is a Native American, tribally-owned small business. We are a full-service, multi-discipline environme... more
  • 9 Days Ago

  • OESC (Oneida ESC Group) Springs, MD
  • Description Oneida Technology Services (OTS) is actively seeking a highly motivated, full-time Tier 2 Field Service Engineer - Journeyman at the USCIS in C... more
  • 10 Days Ago

  • OESC (Oneida ESC Group) Madison, WI
  • Oneida Engineering Solutions (OES) was awarded the Outstanding Tribally Owned Business of the Year award in 2023. We are an 8(a), minority business enterpr... more
  • 1 Day Ago

  • OESC (Oneida ESC Group) Green, WI
  • Description Oneida Total Integrated Enterprises (OTIE) delivers full-service facility and infrastructure engineering design, environmental science, constru... more
  • 1 Day Ago


Not the job you're looking for? Here are some other HR Administrator (Part Time) jobs in the Milwaukee, WI area that may be a better fit.

  • Novus Home Mortgage Brookfield, WI
  • Essential Duties And Responsibilities HR Administration & Employee Support Monitor, prioritize, and assign tickets within the ticketing system. Maintain, u... more
  • 9 Days Ago

  • Concurrency, Inc. Brookfield, WI
  • Who We Are At Concurrency, we embody innovation. We're not just tech consultants; we are forward thinkers with a purpose. Our team thrives on disrupting th... more
  • 23 Days Ago

AI Assistant is available now!

Feel free to start your new journey!