Office Administrator (Construction)

Sona Constructor Inc; Hamilton; On-site; CAD 45,000 - 60,000; Full time

Job summary

Sona Constructor Inc in Hamilton, ON is seeking an Office Administrator (Construction) to coordinate day-to-day office operations and support project teams on-site. This full-time role requires organizing documentation, managing correspondence, and maintaining filing systems for construction projects.

You will schedule meetings, assist with data entry and spreadsheet updates, track office supplies, and ensure office equipment functions properly.

Qualifications

• Strong Office Administration and Administrative Assistance skills to manage daily office operations and project documentation.
• Hands-on experience with Office Equipment, including printers, scanners, and multi-line phone systems.
• Effective Communication and Customer Service skills to interact professionally with internal teams, clients, and subtrades.
• Proficiency with office productivity software (e.g., Microsoft Office or equivalent) and basic data entry.
• Previous experience in a construction or engineering environment is an asset.
• Excellent organizational skills, attention to detail, and ability to prioritize multiple tasks.
• Ability to work on-site in Hamilton, ON and collaborate with cross-functional teams.
• High school diploma required; post-secondary education is an advantage.

Responsibilities

• Coordinate day-to-day office operations for construction projects.
• Manage correspondence, organize project documentation, and maintain filing systems.
• Schedule meetings and support project managers with document preparation.
• Track office supplies and ensure office equipment is functioning properly.
• Handle incoming calls, greet visitors, and provide responsive customer service to clients, vendors, and partners.
• Assist with basic data entry and updating spreadsheets.
• Support compliance with company procedures and safety standards.

Skills

Office administration

Communication

Customer service

Data entry

Organizational skills

Attention to detail

On-site collaboration

Education

High school diploma

Tools

Microsoft Office

Printers & scanners

Multi-line phone systems

Job description

Company Description

Sona Constructor Inc is a trusted general contracting firm specializing in the construction of wastewater and sewage treatment facilities that support sustainable water management. With over 40 years of industry experience, the company delivers reliable, high‑quality infrastructure solutions for public and private sector clients. The team is dedicated to precision, safety, and excellence from project planning through completion. Sona Constructor Inc focuses on building essential infrastructure that communities depend on, offering a stable and purpose‑driven work environment for construction and administrative professionals.

Role Description

The Office Administrator (Construction) is a full‑time, on‑site role based in Hamilton, ON. This role is responsible for coordinating day‑to‑day office operations, including managing correspondence, organizing project documentation, and maintaining filing systems for construction projects. The Office Administrator will schedule meetings, support project managers with document preparation, track office supplies, and ensure office equipment is functioning properly. The role includes handling incoming calls, greeting visitors, and providing responsive customer service to clients, vendors, and partners. The Office Administrator will also assist with basic data entry, updating spreadsheets, and supporting compliance with company procedures and safety standards.

Qualifications

• Strong Office Administration and Administrative Assistance skills to manage daily office operations and project documentation.
• Hands‑on experience with Office Equipment, including printers, scanners, and multi‑line phone systems.
• Effective Communication and Customer Service skills to interact professionally with internal teams, clients, and subtrades.
• Proficiency with office productivity software (e.g., Microsoft Office or equivalent) and basic data entry.
• Previous experience in a construction or engineering environment is an asset.
• Excellent organizational skills, attention to detail, and ability to prioritize multiple tasks.
• Ability to work on‑site in Hamilton, ON and collaborate with cross‑functional teams.
• High school diploma required; post‑secondary education is an advantage.