Office Administrator

Position: Full Time
Salary: $45,000-$55,000

We’re looking for a full-time office admin to join our team! You would be responsible for making sure that the admin duties are carried out smoothly and efficiently. 

This is the perfect position for anyone looking to work in a fast-paced environment that handles multiple clients at the same time.

Your responsibilities

  • Bookkeeping, budgeting and other account management
  • Managing invoices and other requirements internally and for clients
  • Payroll, vacation management, and more duties
  • Carry out administrative activities of the establishment
  • Oversee and coordinate office administrative procedures
  • Assist in the implementation of new administrative procedures
  • Schedule and confirm appointments 
  • Assisting the president with client management and notetaking 
  • Order office supplies and maintain inventory
  • Arrange travel, related itineraries and make reservations

You’d be a great fit if you

  • Thrive in a fast-paced environment like an agency
  • Are proactive and exceed expected results
  • Have a keen eye and attention to detail
  • Are open to input or direction from clients and other team members
  • A team player 

Bonus points

  • You have a good knowledge of Quebec’s business requirements
  • You have some project management experience
  • You can translate English copy to French (QC)
  • You have experience managing multiple client accounts

About Third Wunder

We’re a diverse team of thinkers, doers and creators called ThirdWunder, a digital marketing agency based in downtown Montréal. As Wunders, we speak our minds, share thoughts, brainstorm, work independently, engage in teamwork, collaborate, and lead—all features that are integral to marketing what matters. 

Join a welcoming workspace for opportunities to learn new skills through workshops, meetings, online courses, digital certifications, and more. Third Wunder welcomes your different assets and backgrounds, embraces the ideas you bring to the table and provides an opportunity for growth and learning with open arms.


  • Degree or diploma in Business Administration or Accounting/Bookkeeping


  • 2+ years experience in office administration, bookkeeping, and project coordination
  • Bilingual written and verbal communication skills in both French and English
  • Experience with Quickbooks
  • Excellent organizational and time management skills


  • Can work independently with minimal supervision
  • Ability to meet short deadlines and work in a fast-paced environment

Tools & Software

  • Quickbooks ** Essential
  • GMail, Google Drive & Google Workspace Applications (Docs, Sheets, Slides)
  • Project Management Tools (ClickUp)


  • A collaborative, creative environment where we value experimentation and learning.
  • Healthcare and dental benefits
  • Group RRSP
  • Training resources and learning opportunities
  • 3 weeks paid annual leave
  • No weekends – Monday to Friday 9am to 5pm