Office Manager

About Us

The Miller Group, a subsidiary of Colas Canada, is a Canadian leader in the construction and maintenance of transportation infrastructure since 1917. We provide exceptional customer service and operational support using our time-proven construction methods and innovative technologies, alongside the highest quality products and materials. We leverage our global network to foster positive relationships that make a lasting difference in the communities where we live and work. Whether it is making your commute more efficient, keeping our communities safe, or making remote areas more accessible, at Miller we are proud to Build Greatness in everything we do.

Day in the Life

The Office Manager is responsible for overseeing office administration and providing financial and operational support to the business. This position leads the administrative team and works closely with Operations, Project Management, Finance, and Payroll to support contract administration, project setup, invoicing, accounts receivable, and month-end processes.

Responsibilities

• Lead and support office administrative staff, including scheduling, coaching, and performance management.
• Coordinate contract administration activities and maintain contract documentation.
• Manage customer invoicing, accounts receivable, and payment processing.
• Oversee project setup and maintenance within company systems.
• Support financial processes, including reconciliations, deposits, reporting, and month-end activities.
• Provide administrative support to operational teams and assist with continuous improvement initiatives.
• Perform other duties as required.

Qualifications:

• Post-secondary education in Business Administration, Office Administration, Accounting, or a related field.
• Minimum 5 years of experience in office administration, accounting, project administration, or a related role.
• Previous leadership or supervisory experience.
• Experience within construction, paving, aggregates, or a project-based environment is preferred.
• Strong organizational, communication, and problem-solving skills.
• Proficiency with Microsoft Office applications; experience with JD Edwards, HeavyBid, or HeavyJob is considered an asset.

Culture

Miller is proud to provide this unique career opportunity, we offer continuous learning, opportunity for growth, and a competitive compensation package. At our core; we are our people. We succeed because we respect our people and invest in their development, safety and well-being. Miller is an equal opportunity employer. At Miller, we believe our workforce should reflect the diversity of the communities we connect. By living our core values of Respect, Commitment, Pioneering and Sharing, we welcome all those who help create the links that bring us together. We are committed to equal employment opportunity regardless of age, ethnicity, national origin, religious beliefs, disability, marital or family status, gender, gender identity or expression.

Our Company may use artificial intelligence (AI) tools to assist with sourcing potential candidates. All screening, assessment, and hiring decisions are made exclusively by qualified personnel. Every application is reviewed and verified by our recruitment team to ensure a fair, transparent, and human-driven hiring process. This posting reflects an existing vacancy.

Miller is proud to provide this unique career opportunity, we offer continuous learning, opportunity for growth, and a competitive compensation package. At our core; we are our people. We succeed because we respect our people and invest in their development, safety and well-being. Miller is an equal opportunity employer. We believe that diversity and inclusion are key attributes to building greatness. Miller’s core values of Integrity and Community welcomes everyone, at work and in the community, and our value of Accountability, means that we own our actions, our decisions and our results. As a Miller employee, this will ultimately be your commitment to our inclusive culture.

We will contact candidates selected for an interview. Accommodation for applications with disabilities will be made during the recruitment process when requested.