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Kiessling & Associates Inc logo

Office Administrator / Junior Bookkeeper

  • Oshawa, ON
  • On-site
  • Posted Oct 23, 2026
  • 1 position

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Employment type
Full-time
Experience level
Entry, Junior · 0+ years
Posting language
English
Working hours
25 hours per week
Seniority
Mid-Senior level
Application method
Direct apply is available

Job summary

Provide administrative support to bookkeeping and tax teams, communicate with clients and the Canada Revenue Agency, and manage client documents, correspondence, and office workflow. Assist with bookkeeping tasks such as transaction entry and reconciliations, while supporting the team during tax season.

Job details

Office Administrator / Junior Bookkeeper Part-Time, Transitioning to Full-Time | In-Office Position Kiessling & Associates Inc. is a well-established bookkeeping, accounting and tax preparation firm serving individuals, businesses and non-profit organizations throughout Durham Region for over 20 years. We're growing and looking for a friendly, organized and motivated Office Administrator / Junior Bookkeeper to join our team! This is a great opportunity for someone with an accounting background who enjoys working with people, has strong administrative skills and wants to grow their career in a supportive, team-oriented environment. About the Position This position will initially be approximately 25 hours per week, with the expectation of transitioning to full-time no later than March 2027. This is an in-office position at our Oshawa location. The successful candidate will play an important role in keeping our office running smoothly while assisting our bookkeeping and tax teams. Key Responsibilities Provide administrative support to our bookkeeping and tax preparation teams. Communicate professionally with clients by phone, email and in person. Contact clients to request outstanding information, documents and follow-ups. Communicate with the Canada Revenue Agency (CRA) on behalf of clients, including inquiries, account reviews and resolving routine issues. Assist with bookkeeping tasks, including transaction entry, reconciliations and maintaining accurate financial records. Assist with client onboarding, document collection and file organization. Prepare professional written correspondence and maintain accurate client records. Help manage office workflow, deadlines and day-to-day administrative activities. Provide additional support to the team during busy tax season. What We're Looking For Required Qualifications: Post-secondary education in accounting, bookkeeping or a related field. Minimum one year of Canadian bookkeeping or accounting office experience. Experience with QuickBooks Online (QBO). Excellent written and verbal English communication skills. Strong attention to detail, organization and time management. Confidence and professionalism when communicating with clients and government agencies. A professional appearance and manner appropriate for a client-facing office environment. Comfortable making phone calls, following up with clients and handling sensitive financial information. Proficiency with Microsoft Office, particularly Outlook, Word and Excel. Ability to work independently, take initiative and contribute positively to a team environment. Additional Assets: Familiarity with CRA online services and Represent a Client. Experience with Dext, payroll processing or personal income tax preparation. Experience managing multiple clients and competing deadlines. What We Offer At Kiessling & Associates, we believe that a great workplace starts with great people. A welcoming, collaborative and supportive team environment. Opportunities for ongoing education, training and professional development. Exposure to a variety of clients, industries and accounting activities. The opportunity to grow into a full-time position. A competitive salary with performance bonuses and benefits A newly expanded, comfortable office environment. A workplace that values teamwork, client service and a healthy sense of humour! How to Apply If you're organized, personable, detail-oriented and looking for a position where you can build your bookkeeping skills while being an important part of a busy professional office, we'd love to hear from you! Please submit the following to info@kiesslingassociates.com: Your current resume. A brief introduction outlining your relevant experience and interest in the position. Your salary expectations. Subject Line: Office Administrator / Junior Bookkeeper Application Kiessling & Associates Inc. is an equal opportunity employer. We thank all applicants for their interest; however, only those selected for an interview will be contacted.

What you’ll do

Provide administrative support to bookkeeping and tax teams, communicate with clients and the Canada Revenue Agency, and manage client documents, correspondence, and office workflow. Assist with bookkeeping tasks such as transaction entry and reconciliations, while supporting the team during tax season.

Requirements

Requires post-secondary education in accounting, bookkeeping, or a related field, at least one year of Canadian bookkeeping or accounting office experience, and QuickBooks Online experience. Candidates should have strong English communication, organization, attention to detail, Microsoft Office proficiency, and professionalism when handling client and government communications.

Benefits

  • Performance Bonuses
  • Benefits
  • Ongoing Education
  • Training
  • Professional Development

Listed skills

  • Time management · Preferred
  • Client Onboarding · Preferred
  • Attention to detail · Preferred
  • Microsoft Excel · Preferred
  • Quickbooks Online · Preferred
  • Microsoft Word · Preferred
  • Accounting · Preferred
  • Microsoft Outlook · Preferred
  • Bookkeeping · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

  • Bookkeeping
  • Accounting
  • QuickBooks Online
  • Microsoft Outlook
  • Microsoft Word
  • Microsoft Excel
  • Client Communication
  • Client Follow-Up
  • Canada Revenue Agency Communication
  • Transaction Entry
  • Account Reconciliation
  • Financial Recordkeeping
  • Client Onboarding
  • Document Management
  • Time Management
  • Attention to Detail

Job areas

  • Finance & Accounting
  • Administrative