Administrative Assistant - Buildings

Job summary

Provide administrative and clerical support across one or more construction sites, including managing expenses, invoices, purchase orders, records, timecards, and equipment data. Coordinate project documentation, meetings, calendars, reporting, goods received, and close-out materials while liaising with project teams, clients, and vendors.

Job details

Build What Matters At Graham, one of North America’s largest general contractors, we don’t just construct buildings, we create spaces that shape lives and strengthen communities. As part of our Buildings division, you will contribute to meaningful projects across the region, from hospitals and schools to entertainment venues and multi-family residences. Here, your work has purpose. Your safety and growth are supported. And your impact is lasting. Join a team that builds with commitment, reliability, and integrity. Apply today and help us build what matters. Your Impact Starts Here Graham is actively recruiting for a Site Administrator supporting the Buildings Division. Reporting to the Office Manager or Project Manager (when on site), the Site Administrator plays a key role in supporting site and project teams by providing comprehensive administrative and clerical support across one or multiple sites. This role streamlines day‑to‑day operations so teams can focus on project delivery, including coordinating meetings and travel, managing expenses and reports, receiving goods, and working with vendors to address site needs. Your Role in Building What Matters – From Office to Site Provide day‑to‑day administrative and clerical support to one or multiple construction sites, acting as a key point of contact Manage expenses, invoices, purchase orders, and goods received to ensure accurate financial tracking and reconciliation Maintain site records, timecards, labour hours, and equipment data, and prepare required weekly and monthly reports Coordinate project documentation, calendars, meetings, and close‑out materials to support efficient site operations Liaise with project teams, clients, and vendors to support reporting requirements and maintain professional working relationships The Right Tools for the Job Education & Experience: High school diploma required, with 2–3 years of relevant administrative experience, preferably in a construction or site‑based environment Core Skills: Strong organizational, time‑management, and communication skills, with the ability to prioritize tasks, manage documentation, and support multiple stakeholders effectively Technical Capability: Proficiency with MS Office Suite and site systems (e.g., SAP, Toolbox), along with basic IT troubleshooting and document control skills #Admin #CalgaryJobs Lay the Foundation for Your Next Career Move. Apply Today. At Graham, we’re building more than structures, we’re building futures. Join a team that delivers excellence from the ground up and makes a lasting impact across Canada. We’re proud to be an Equal Opportunity Employer and are committed to an inclusive, accessible workplace. Accommodations are available throughout the hiring process when requested. Please contact hiring@jardeg.com for accommodation requests. Unsolicited resumes or candidate profiles will not be accepted and will become the property of Jardeg/Graham. As Graham’s trusted recruitment partner, Jardeg supports the hiring of skilled professionals across Buildings, Industrial, Infrastructure, Water, Development, and Services projects nationwide.

What you’ll do

Provide administrative and clerical support across one or more construction sites, including managing expenses, invoices, purchase orders, records, timecards, and equipment data. Coordinate project documentation, meetings, calendars, reporting, goods received, and close-out materials while liaising with project teams, clients, and vendors.

Requirements

A high school diploma and 2–3 years of relevant administrative experience are required; construction or site-based experience is preferred. Candidates should have strong organizational, time-management, and communication skills, proficiency with Microsoft Office and site systems such as SAP or Toolbox, and basic IT troubleshooting and document control skills.

Listed skills

• Time management · Preferred
• SAP · Preferred
• Organization · Preferred
• Administrative Support · Preferred
• Communication · Preferred
• report preparation · Preferred
• Microsoft Office · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

• Administrative Support
• Clerical Support
• Organization
• Time Management
• Communication
• Task Prioritization
• Expense Management
• Invoice Processing
• Purchase Order Management
• Recordkeeping
• Report Preparation
• Project Documentation
• Meeting Coordination
• Vendor Relations
• Microsoft Office
• SAP

Job areas

• Administrative
• Construction

More jobs from Graham