We are seeking a detail-oriented Administrative Assistant Coordinator to support the daily operations of a busy construction and contractor office in Mississauga, Ontario. This long-term contract opportunity is ideal for someone who thrives in a fast-paced environment, enjoys multitasking, and takes pride in keeping office operations organized and efficient. In this role, you will provide administrative support by coordinating schedules, managing communications, maintaining accurate records, and assisting clients, vendors, and internal team members. Comprehensive training will be provided on company systems and processes to ensure your success.

Key Responsibilities Answer and direct incoming phone calls and emails while providing professional and courteous customer service. Coordinate calendars, schedule meetings, appointments, and support daily office operations. Maintain accurate data entry by updating company records, databases, and administrative files. Prepare, edit, and format documents, spreadsheets, presentations, reports, and correspondence using Microsoft Office applications. Serve as a point of contact for clients, vendors, and internal staff, ensuring timely and effective communication. Organize electronic and physical filing systems while maintaining confidential business information. Make outbound calls to confirm appointments, gather information, and follow up on customer or vendor requests. Assist with general office administration, including document management, record keeping, and clerical support. Learn and utilize company-specific software and administrative procedures through on-the-job training. Support the team with additional administrative tasks to ensure smooth day-to-day business operations.

Qualifications Minimum 2–3 years of experience in an administrative, office administration, or office coordinator role. Strong experience handling inbound calls, email correspondence, and day-to-day office communications. Excellent data entry skills with a high level of accuracy and attention to detail. Proficiency in Microsoft Office Suite, including Word, Excel, Outlook, and PowerPoint. Experience coordinating schedules, meetings, and managing multiple priorities effectively. Strong customer service and interpersonal skills with excellent verbal and written communication abilities. Comfortable working in a collaborative small office environment. Quick learner with the ability to adapt to new software systems and administrative processes. Previous experience in the construction, contracting, engineering, or trades industry is considered an asset.