Administrative Assistant - Buildings

Graham Contracting, Ltd.; Calgary; On-site; CAD 42,000 - 62,000; Full time

Job summary

Graham Contracting, Ltd. is seeking a Site Administrator to support the Buildings Division across one or multiple construction sites.

Reporting to the Office Manager or Project Manager, you will streamline day-to-day operations, coordinate meetings and travel, manage expenses and reports, and work with vendors to address site needs. You will maintain site records, time cards, labour hours, equipment data, and prepare weekly/monthly reports, ensuring accurate financial tracking and efficient site

Qualifications

• High school diploma required.
• 2–3 years of administrative experience in a construction or site-based environment preferred.
• Strong organizational, time-management, and communication skills.

Responsibilities

• Provide day-to-day administrative support to one or multiple construction sites.
• Manage expenses, invoices, purchase orders, and goods received for accurate financial tracking.

Skills

Organizational skills

Time management

Communication skills

Prioritization

Education

High school diploma

2–3 years of relevant administrative experience

Tools

MS Office Suite

SAP

Toolbox

Job description

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.

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, with2–3 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 withMS Office Suiteand site systems (e.g., SAP, Toolbox), along with basic IT troubleshooting and document control skills

Lay the Foundation for Your Next Career Move.

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 [e-mail] 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.

Information at a Glance

Why Graham?

As proud employee-owners, we believe in sharing our success.Your contributions don't just matter – they create our success.

We offer opportunities to work on diverse projects across Canadaand the U.S. across our Buildings, Infrastructure, Industrial, Waterand Services divisions.

Enjoy competitive benefits, career mobility, and a culture builton commitment, integrity, and reliability.