{"id":4176060,"url":"https://alion.io/job/mnp-senior-administrative-assistant-3","title":"Senior Administrative Assistant","company":{"id":1050058,"name":"MNP","domain":"mnp.ca","url":"https://alion.io/company/mnp-ca","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"UltiPro","truth_index":{"grade":"B","score":76,"open_postings":35,"ghost_share":0,"stale_share":0.971,"repost_share":0,"time_to_fill_p50_days":34,"computed_at":"2026-11-12T10:38:37Z"}},"role":"Administrative","role_family":"Administrative","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Toronto, Canada","Mississauga, Canada"],"countries":["CA"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Microsoft Office","optional":false},{"name":"Outlook","optional":false}],"status":"live","first_seen_at":"2026-11-12T14:50:52Z","employer_posted_date":"2026-11-12","last_verified_at":"2026-11-12T16:04:53Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Inspirational, innovative and entrepreneurial - this is how we describe our empowered teams. Combine your passion with purpose and join a culture that is thriving in the face of change.\nMake 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.\nMNP 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.\nResponsibilities\nCase & Project Coordination\nParticipate actively in team meetings to monitor priorities, blockers, deadlines and required follow-ups\nSet up new cases and support their progression through the internal workflow from initiation through close-out\nTrack active cases throughout their lifecycle, proactively identifying outstanding actions, administrative dependencies and next steps\nFollow up on blocked cases and outstanding items to help ensure matters continue to move forward in a timely manner\nPrioritize and flag files requiring attention and coordinate follow-up with the appropriate team members\nProvide practical project and administrative coordination that enables the technical team to focus on technical work\nManage the flow of work and documentation requiring Partner review, approval or signature, while monitoring upcoming deadlines and work requirements\nClient & Stakeholder Coordination\nAct as a key administrative liaison between clients, Partners, MNP Legal and other internal and external stakeholders\nDraft, Coordinate and follow up on client contracts, Engagement Letters, Master Services Agreements, approvals and other required documentation\nProvide ongoing client communication and relationship support, ensuring requests and follow-ups are handled professionally and promptly\nBilling & Financial Administration\nReview monthly billable hours by client and assist with the preparation and processing of invoices\nPrepare detailed and itemized client invoices when required, ensuring appropriate supporting information is included\nProvide billing and accounts receivable support, including following up on outstanding items as required\nAssist Partners with expense reports and other financial administrative requirements\nPartner & Administrative Support\nProvide comprehensive administrative support to multiple Partners and team members, ensuring priorities, deadlines and administrative requirements are effectively managed\nMonitor and manage assigned Partner Outlook calendars, including coordinating internal and external meetings, responding to changing priorities and resolving scheduling conflicts\nCoordinate meeting logistics, including meeting rooms, audiovisual requirements, catering and preparation of supporting materials\nSupport Partner email and workflow management, including identifying items requiring follow-up or action\nCoordinate travel arrangements and related logistics\nDocuments, Proposals & Business Development\nPrepare, review, edit and format client correspondence, templates, engagement letters, reports, presentations, proposals, Word documents, Excel workbooks and other materials\nProvide support with RFP responses, proposal development and research requests\nMaintain opportunities and client account and contact information within the CRM platform, ensuring information is accurate and current\nTeam & Office Support\nAssist with team meetings and events, including coordination and logistical support as required\nRecord minutes at meetings and distribute or archive them appropriately\nMaintain accurate and organized electronic and paper filing systems in accordance with established processes\nMaintain working knowledge of systems and processes used by the Administration team to respond to inquiries and provide backup support when required\nSkills and Experience\n5+ years of progressively responsible administrative experience, preferably supporting multiple senior leaders in a fast-paced, deadline-driven environment\nPost-secondary education in Business Administration, Office Administration or a related discipline is considered an asset\nAdvanced proficiency in Microsoft Office, particularly Word, PowerPoint, Excel and Outlook\nStrong commitment to client service, with excellent interpersonal and communication skills and a demonstrated ability to handle confidential and sensitive matters with tact, discretion and integrity\nComfortable working in a highly technical, fast-paced and evolving environment, with the ability to quickly learn new processes, systems and ways of working\nExcellent organizational, prioritization and time-management skills, with the ability to manage multiple files, deadlines and competing priorities simultaneously\nPrevious experience within a partnership, professional services or similarly client-focused environment is considered an asset\nExperience supporting proposals, RFPs and procurement processes is considered an asset\nFlexibility to work additional hours when required to support business and client needs\nSome travel may be required\nMyRewards@MNP\nWith 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!\nThe annual salary range for this position is: $50000 - $72000\nDiversity@MNP\nWe 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. 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