Office Manager / Bookkeeper – Full-Time Position
Location: Mississauga, ON
Industry: Computer Security Products
Reports to: President & CEO
Type: Full-Time, Permanent
About CSP
CSP is the world’s leading independent security specialist for HPE NonStop environments. For nearly 40 years, we have helped the world’s most critical financial institutions — including banks, payment processors, and clearing organizations — secure mission-critical platforms that process trillions of dollars in transactions daily. As regulatory requirements like PCI-DSS and DORA increase, organizations rely on CSP’s expertise to provide independent, high-performance security solutions beyond platform-native tools.
Position Overview
We are looking for an experienced Office Manager/Bookkeeper with 10+ years of hands‑on experience, strong QuickBooks proficiency, and exceptional organizational skills.
This role is ideal for someone who enjoys taking full ownership of administrative operations, bookkeeping accuracy, and office management. You’ll be the go‑to person for ensuring the office functions seamlessly — allowing the President and CTO to focus on strategic growth rather than administrative tasks.
This position requires someone who is:
efficient, proactive, detail‑oriented, reliable, accurate, and a genuine team player.
Key Responsibilities
Office Management (60% ~ 70%)
- Own the day‑to‑day operations of the office and ensure a smooth, efficient work environment
- Manage office supplies, equipment, service providers, and maintenance needs
- Support leadership with administrative tasks, scheduling, coordination, and follow‑through
- Oversee office planning, vendor coordination, and operational improvements
- Ensure policies and procedures are followed and updated when needed
- Handle general inquiries and internal communications
- Assist with onboarding logistics for new hires
Bookkeeping & Financial Administration (30% ~ 40%)
- Manage daily bookkeeping activities using QuickBooks
- Process accounts payable, accounts receivable, invoices, and expenses
- Perform reconciliations and ensure accurate month‑end reporting
- Work closely with external accountants when needed
- Maintain accurate financial records and ensure documentation is organized
- Support budgeting and financial tracking as required
Qualifications
- 10+ years’ experience in office management and bookkeeping
- Strong QuickBooks experience (required)
- University education required
- Proven ability to run an office independently and take full ownership of responsibilities
- High accuracy and attention to detail in financial work
- Strong communication skills and a professional, proactive attitude
- Ability to prioritize, multitask, and meet deadlines in a fast‑moving environment
- Experience in a small‑to‑mid-sized company is an asset
- Must live in Mississauga (ideal) or surrounding areas (open)
What We’re Looking For
This isn’t just an admin job — we need someone who will genuinely own the role and take pride in running the office like a well‑oiled machine.
You’re a fit if you:
- Are the type who sees something that needs doing and just gets it done
- Thrive in environments where you wear multiple hats
- Enjoy being the central go‑to person who keeps the business organized
- Are dependable, prompt, and highly accountable
- Bring structure, clarity, and efficiency everywhere you go
Why Join CSP?
- Opportunity to be an integral part of a growing company
- Work closely with senior leadership
- A company culture built on teamwork, trust, and operational excellence
- A role where your contributions truly matter and are recognized
How to Apply:
If you’re passionate about delivering outstanding administrative support and have the skills to excel in this role, we’d love to hear from you. Please submit your resume and a brief cover letter to apply@cspsecurity.com.
CSP is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.
We will evaluate all resumes, but only candidates selected for an interview will be contacted. This job description is not intended to be all-inclusive and is open to legal residents of Canada only.