

Global diversified professional services & investment management firm in real estate, engineering, and capital markets.
The position blends operational, financial, and administrative duties to keep commercial buildings running efficiently. You will interact with vendors and contractors, manage service contracts, and contribute ideas for continuous improvement.
Based in Ontario, CA, the Property Assistant position is an onsite role that requires strong client relationship skills and a proactive, detail‑oriented attitude. You will be central to customer care, applying organizational expertise to support tenants, owners, and the broader property team.
Applicants must be authorized to work in the United States, and applications are accepted on an ongoing basis. Colliers prides itself on passionate people who take personal responsibility and strive for exceptional results for clients and communities.
Make your next move an expert one. At Colliers it’s not our success that sets us apart, it’s how we achieve it. Our people are passionate, take ownership and always do what’s right for our clients, people and communities. Why Colliers? Our enterprising environment needs your expertise to facilitate Colliers’ continued growth as an industry leader. Our nimble, decentralized culture can provide you with a wealth of opportunities to learn about our business and quickly gain experience to accelerate your career.
Colliers offers an hourly wage ranging from $19 to $28.84, reflecting experience, skills, and location. The company values diversity, provides equal‑opportunity employment, and does not sponsor work visas.