Senior Administrative Assistant
Provide high-level administrative support to leaders and teams, including calendar management, invoicing, and document preparation. Coordinate logistics for meetings and travel while maintaining client records in the CRM platform.
- On-site
- Ontario
- Posted Jul 13, 2026
- 1 position
Job summary
Make an impact with our Administration team as a Senior Administrative Assistant. This diverse team of professionals directly contributes to the success of the firm by supporting internal and external clients. As a trusted advisor, you’ll ensure the efficient and effective operation of our business. MNP is proudly Canadian. Providing business strategies and solutions, we are a leading national accounting, tax and business advisory firm in Canada. Entrepreneurial to our core, our talented team members transcend obstacles into opportunities and are successfully transforming mid-market business practices. Responsibilities * Review, modify and prepare moderately complex templates, letters, reports, PowerPoint presentations, Word documents, Excel workbooks and other correspondence materials; research, compile and summarize information/data * Support leader(s) through calendar and email management, invoicing and A/R * Enter, review and maintain client accounts and contact information in the Client Relationship Management (CRM) platform * Review upcoming deadlines and work requirements with the team; coordinate the logistics and flow of work to specific team members (i.e., documents for review/signature) * Record minutes at various meetings and distribute or archive them accordingly * Prepare and submit expense reports * Coordinate and schedule internal and external meeting and appointment logistics and prepare supporting material * Coordinate travel arrangements and reservations * Maintain electronic and paper filing systems * Contribute to the development of new ideas and approaches to improve work processes * Work collaboratively with other team members and leadership * Maintain flexibility to work overtime, as necessary Skills and Experience * Post-secondary education in business administration is considered an asset * 5+ years of increasingly complex administrative responsibilities * Experience in a professional services environment is considered an asset * Strong client service focus in dealing with both external and internal clients * Excellent organizational and time management skills, with the ability to manage multiple tasks simultaneously MyRewards@MNP With a focus on high-potential earnings, MNP is proud to offer customized rewards that support our unique culture and a balanced lifestyle to thrive at work and outside of the office. You will be rewarded with generous base pay, vacation time, 4 paid personal days, a group pension plan with 4% matching, voluntary savings products, bonus programs, flexible benefits, mental health resources, exclusive access to perks and discounts, professional development assistance, MNP University, a flexible ‘Dress For Your Day’ environment, firm sponsored social events and more! The annual salary range for this position is $60,000 - $75,000 Diversity@MNP We embrace diversity as a core value and celebrate our differences. We believe each team member contributes unique gifts and amplifying their potential makes our business stronger. We encourage people with disabilities to apply! Future/Current Opportunity: Current
What you’ll do
Provide high-level administrative support to leaders and teams, including calendar management, invoicing, and document preparation. Coordinate logistics for meetings and travel while maintaining client records in the CRM platform.
Requirements
Requires over 5 years of complex administrative experience, preferably within a professional services environment. A post-secondary education in business administration is considered an asset.
Benefits
• Generous Base Pay • Vacation Time • 4 Paid Personal Days • Group Pension Plan With 4% Matching • Voluntary Savings Products • Bonus Programs • Flexible Benefits • Mental Health Resources • Perks And Discounts • Professional Development Assistance • MNP University • Flexible Dress For Your Day Environment • Firm Sponsored Social Events
Listed skills
- Customer servicePreferred
Other relevant skills
Identified from the job description. Confirm important requirements above.
- Calendar Management
- Email Management
- Invoicing
- Accounts Receivable
- CRM Platform
- Meeting Coordination
- Travel Arrangements
- Expense Reporting
- Minute Taking
- Document Preparation
- Time Management
- Organizational Skills
- Client Service
- Microsoft Word
- Microsoft Excel
- Microsoft PowerPoint
Job areas
- Administrative
- Finance & Accounting
- Consulting
- Management & Leadership
Additional details
- Minimum education
- College diploma
- Minimum experience
- 5+ years
- Posting language
- English
- Working hours
- 40 hours per week
