Executive Assistant

Role:
Executive Assistant
Location:
Mississauga, Ontario
Company:
Stelumar Advanced Manufacturing Inc.
Department:
Shared Services
Employment Type:
Full-Time, Permanent
Reports to:
General Manager
Stelumar Advanced Manufacturing Inc. (SAMI or Stelumar) is a technology-driven company dedicated to revolutionizing homebuilding in Canada through advanced modular building solutions. Founded by Canadian entrepreneur Peter Gilgan, founder of Mattamy Homes, Stelumar combines automation, robotics, and AI to modernize construction and help address the housing shortage. With state-of-the-art manufacturing facilities in the Greater Toronto Area, Stelumar is focused on accelerating construction timelines, improving consistency and making housing more attainable. Stelumar produces precision-built walls, floors, and roofing systems, factory-built modular units, and interior cabinetry and millwork at industrial scale. Its development and construction arm, Stelumar Communities, delivers scalable modular housing from planning and design to construction and handover. The team supports low- and mid-rise residential, purpose-built rental, affordable and workforce housing, student housing, hospitality, healthcare-related housing, and institutional developments. Together, Stelumar is delivering housing people are proud of.
For more information, visit Stelumar.Com.
What we offerYou will provide administrative support to the General Manager and Senior Leadership Team (SLT) and oversee day-to-day office management. The ideal candidate is proactive, highly organized, and resourceful, and acts with sound judgment and integrity.
What you'll do
Senior Leadership Team Support
Manage calendars for the GM and SLT, prioritizing requests and resolving conflicts
Manage emails, reports, and internal correspondence
Serve as a point of contact for internal and external stakeholders;
prepare materials aheadof meetings
Coordinate travel and expense reports for the GM and SLT
Take minutes, track action items, and follow up to keep tasks on schedule
Act as a liaison for the GM and SLT
Office Administration & Events
Oversee daily office operations so the office is organized, stocked, and running smoothly
Manage office supplies, equipment, vendors, and service contracts
Act as the main contact for building management, facilities, and workspace needs
Support new-hire onboarding (workstations, building access, orientation) with HR and IT
Maintain office policies and procedures
Track office budgets and process invoices
Direct reception and administrative staff, as applicable
Coordinate special events (e.G., conferences, offsites, site tours, town halls), including venues, catering, and equipment
Prepare and distribute documents and presentations
Conduct research as required
Liaise with the parent company and corporate offices, including HR and IT
Build strong relationships with internal and external stakeholders
Proactively flag, prioritize, and resolve issues where possible
Coordinate SLT meeting agendas, materials, and logistics
Support preparations for external meetings
Support special projects and other duties as required
What you bring
Post-secondary education in business, administration, or a related field preferred
3-5 years as an Executive or Administrative Assistant supporting multiple senior leaders;
office administration experience is an asset
Strong initiative, judgment, and problem-solving skills
Excellent written and verbal communication skills, including drafting, proofreading, and building presentations
Strong attention to detail, time management, and multitasking skills
Proven discretion with confidential information
Professional and approachable with leaders, employees, vendors, and external partners
Strong Microsoft Office skills (especially Excel) and eagerness to adopt new tools, including AI
Experience coordinating office operations, vendors, and administrative budgets
Adaptable to shifting priorities;
occasional travel as required
CompensationThe expected base salary range for this position is $70,000 - $110,000. Actual pay may vary depending on your job-related knowledge, competencies, and skills. We recognize that exceptional situations may fall outside this range, and we encourage all interested candidates to apply.
You are also eligible to participate in Stelumar's annual bonus program which gives you the opportunity to increase your total compensation if business and individual goals are achieved.
Stelumar is committed to providing accommodation for people with disabilities. If you require accommodation through any aspects of the selection process, please notify us on your application and we will work with you to meet your needs.
Stelumar may use artificial intelligence (AI) tools to support our hiring process, including to help screen or assess candidates along the way. These tools work behind the scenes, while people remain at the heart of every hiring decision.
Qualified applicants for this existing vacancy will be contacted directly by the Talent Acquisition team.
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