Administrative Assistant

AECOM

Middleton, WI, United States Posted November 5, 2026

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On-site Full-time Mid level
Job Description

AECOM is seeking an organized and proactive Administrative Assistant to support multiple business lines in our Middleton, Wisconsin office, primarily supporting the Transportation business line. This position will provide essential administrative and operational support, helping maintain efficient office operations, coordinate employee onboarding, support business development activities, and assist with workplace safety initiatives.

The ideal candidate is detail-oriented, resourceful, and comfortable managing multiple priorities while working with employees, project managers, and business leaders across the office.

Key Responsibilities

Office Administration and Operations

  • Provide general administrative support, including correspondence, scheduling, mail, shipping, office supplies, and invoice processing.
  • Coordinate professional association payments, including ACEC and TDA, and assist with monthly WisDOT Notices of Intent (NOIs).
  • Coordinate office maintenance, cleaning, and facility requests with the landlord and facilities management.
  • Support town halls, team meetings, employee luncheons, and other office events.

Employee Onboarding

  • Coordinate new hire onboarding activities, including badges, office access, headshots, company swag, safety/PPE, and office procedures.
  • Assist with I-9 documentation coordination and communicate with hiring managers and assigned employee buddies to support a smooth onboarding experience.

Business Development and Marketing Support

  • Assist with Salesforce activities, client mailings, luncheons, and other business development initiatives.
  • Support marketing activities, including career fairs, GP2W initiatives, and event coordination.
  • Assist with marketing invoicing and administrative support for Workbench, CARS, and MW Contracts.

Safety and Office Coordination

  • Serve as the local office SH&E administrative lead, coordinating Safety Committee activities and supporting Floor Wardens.
  • Coordinate evacuation drills, emergency preparedness, and maintenance of office safety kits and fire extinguishers in collaboration with the landlord and BGIS.
Required Skills
administrative support onboarding business development attention to detail Salesforce event planning collaboration
How to apply

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