Onsite Admin Coordinator - HR & Events (Waukesha)

ES Utilities South Dakota-USA; Waukesha (WI); On-site; USD 29,000 - 40,000; Full time

Benefits offered by this job

Health insurance

401k matching

Paid time off

Life insurance

AD&D

Disability insurance

Tuition reimbursement

Employee stock purchase plan

Dental

Vision

Holidays

Wellness programs

Career advancement

Job summary

Terex in Waukesha, WI is seeking an organized Administrative Assistant to provide frontline support in a fully onsite role. You will handle calls, greet visitors, manage mail, coordinate meetings, and assist with onboarding and documentation.

The position requires 1–3 years’ office experience, strong communication, and proficiency in Microsoft Office; familiarity with Workday or ADP is a plus. Expect reliable attendance and occasional overtime to support events.

Qualifications

• High school diploma or equivalent required.
• 1–3 years experience in administrative, customer service, or receptionist role preferred.
• Strong verbal and written communication skills with a customer-focused approach.
• Ability to manage multiple priorities and meet deadlines in a fast-paced environment.
• High attention to detail and strong organizational skills.
• Professionalism, integrity, and ability to maintain confidentiality.
• Proficiency in Microsoft Office Suite (Outlook, Word, Excel, PowerPoint).
• Experience with HR systems such as Workday or ADP preferred.

Responsibilities

• Answer and direct incoming calls, providing accurate information or routing to the appropriate team member
• Welcome team members, visitors, candidates, and vendors, ensuring a professional and positive experience
• Manage building access, including visitor sign-in and badge issuance
• Support job applicant coordination and new hire onboarding activities, including collecting and maintaining documentation
• Assist with drafting correspondence, communications, and presentations
• Coordinate meetings and conference calls, including scheduling and logistics
• Plan and support team member events and company activities, including coordination of logistics, vendors, and materials
• Assist with larger, site-level events, including occasional evening or weekend support
• Receive, sort, and distribute incoming mail and prepare outgoing mail
• Maintain office supplies, equipment, and common areas, coordinating maintenance and procurement as needed
• Support continuous improvement efforts by helping document and streamline processes
• Provide general administrative support and complete other duties as assigned
• Regular, reliable attendance is required.
• Occasional extended hours may be needed to support business needs or events

Skills

Administrative experience

Customer service

Microsoft Office

Education

High school diploma or equivalent

Tools

Workday

ADP

Job description

Terex in Waukesha, WI is seeking an organized Administrative Assistant to provide frontline support in a fully onsite role. You will handle calls, greet visitors, manage mail, coordinate meetings, and assist with onboarding and documentation.

The position requires 1–3 years’ office experience, strong communication, and proficiency in Microsoft Office; familiarity with Workday or ADP is a plus. Expect reliable attendance and occasional overtime to support events.