Ready to elevate your career? GESI is expanding! We are officially hunting for our next Office Administrator in Vaughan, Ontario —someone ready to bring fresh ideas and grow alongside a dynamic team. About Us GESI: GFL Environmental Services Inc. ("GESI") is a high-growth environmental services company recently carved out of GFL Environmental Inc. Backed by leading private equity firms, GESI delivers liquid waste, industrial cleaning, and soil remediation services across North America through a vertically integrated platform of over 230 sites and a fleet of 1,800+ vehicles. Our employees, collectively known as 'Team Green,' enjoy numerous benefits: career advancement opportunities, competitive benefits, job stability within an essential services company, and the chance to make a positive impact every day for our customers and communities, Green for Life! The Role We are looking for a talented office Administrator to join our team. In this role, you will be responsible for providing high-level administrative support to the Executive Team (60%) and managing the daily onsite workplace experience (40%), while serving as the first point of contact for employees and visitors. You will work closely with the Executive Team, Operations, and Procurement leaders to ensure seamless operations and a professional, positive workplace experience. The role reports to the Executive assistant. Key Responsibilities Manage executive calendar and meeting logistics across various time zones Arrange international travel and accurately prepare and track executive expense reports Act as the first point of contact for visitors and maintain the reception area Oversee building maintenance requests and manage security access badges Monitor, order, and stock all general office, kitchen, and promotional inventory What We’re Looking For (Qualifications) Experience: 3+ years of professional experience in office administration. Education: Post-secondary education in administrative support, office administration, or a related field is preferred. Technical Skills: Google Workspace (Docs, Sheets, Slides, Gmail) Soft Skills: Extreme attention to detail; a polished and professional demeanor; and a self-starter work ethic with high autonomy. Location This is a 100% onsite role based in Vaughan, ON, with a planned permanent relocation to Markham, ON, in October 2026. Mobility Requirement Must possess a valid G License and have everyday access to a reliable vehicle. What We Offer Why join us? We believe in taking care of our team. Here is a snapshot of our total rewards you can expect: ● Health: Comprehensive medical, dental, and vision insurance. ● Wellness: Employee Assistance Program, life insurance, and paid time-off ● Financial: RRSP matching, profit sharing and competitive wages ● Culture: Growth opportunities and continuous learning opportunities Join us and become part of "Team Green" at GFL Environmental, where your skills and dedication will be valued and rewarded. Apply now for this exciting opportunity! #GFLTalent We thank you for your interest. Only those selected for an interview will be contacted. GFL is committed to equal opportunity for all, without regard to race, religion, color, national origin, citizenship, sex, sexual orientation, gender identity, age, veteran status, disability, genetic information, or any other protected characteristic. If you are interested in applying for employment and need special assistance or an accommodation to apply for a posted position, please contact myworkdayrecruitment@gflenv.com Please note that GFL does not provide visa sponsorship for this position. Valid work authorization in the country where the job is located is required. Successful candidates will be required to provide valid documentation confirming their eligibility to work in the country where the job is located prior to their start date. This hiring process may utilize machine-based systems to assist in screening and assessing applicants. Final selection decisions are made by our recruitment team. Current GFL Employees If you are an existing GFL employee and would like to search and apply to current job openings, please visit the internal GFL Jobs Hub. At the heart of GFL lies our greatest asset—our people. So, we're glad you landed here! We believe in great careers, making a positive impact on the environment and supporting our people with their life ambitions. We aspire to create the right jobs in a way that brings you along with us. At GFL, growth isn’t just for our business—it’s for our people. Because we see the potential in all our employees to do whatever it is they set their mind to, and we’re proud to support them in that journey. We consider our employees’ personal goals, helping them create the career, and life, that they desire—whether it’s advancing in their job, learning new skills, forming lasting relationships, or mentoring others, while having time to pursue other life ambitions. With safety and sustainability at the core of what we do, we all come together to form “Team Green”—united by our shared purpose to provide environmental solutions that enable our customers and the communities we serve to be Green For Life. We’re proud to say that working for GFL is more than a job. It’s an opportunity to make a difference and grow tremendously along the way. Regardless of the work we’re doing today, we’ve got our sights set on the big picture—not just tomorrow, but for life. GFL empowers those looking for growth in their career and lives, whether that's on our Field Operations teams or Professional Services teams. Field Operations – Our Field positions offer candidates across North America the potential for limitless growth and skill expansion as the front line of our organization, making them central to our company's vision of creating cleaner and more sustainable communities. Professional Services – Our Corporate positions located in key North American offices grow candidates to form strong client relations, manage key programs and accounts, and ensure our Field teams are operating at maximum efficiency.