About Sera4

Sera4 is the market leader in keyless access systems that protect critical customer assets while streamlining operations. We build scalable cloud, mobile, and embedded software solutions that deliver secure access through mobile credentials.

As demand accelerates across retail and critical infrastructure markets, we’re expanding our team.

The Role

This is a hands-on accounting role focused on maintaining accurate books, running an efficient month-end close, and supporting management reporting as we grow.

You will be an individual contributor reporting directly to the COO, working closely with leadership and external advisors to ensure accurate financial reporting and efficient processes. This role is ideal for someone who enjoys owning the details, improving systems and contributing in a quick-moving workplace.

What You’ll Own
Accounting & Close
Maintain the general ledger and financial systems with precision
Lead month-end close activities and support year-end close
Prepare journal entries, reconciliations, and working papers
Reporting & Compliance
Support tax and regulatory compliance in coordination with external advisors
Prepare internal financial statements (ASPE) and supporting schedules
Support audit preparation and documentation
Financial Support & Analysis




Assist with budgeting and forecasting
Provide financial reporting and analysis to support leadership decisions
Process Improvement
Document and improve accounting workflows
Identify opportunities to streamline and automate processes

Our Tech & Finance Stack
QuickBooks Online
Microsoft 365
HubSpot
Jira / Confluence
In House License Server

What You Bring
CPA designation
5+ years of progressive accounting experience
Strong month-end close experience
Advanced Excel / financial modeling skills
High attention to detail and strong process orientation
Experience in SaaS, hardware, or manufacturing environments (nice to have)
Exposure to SR&ED; / IRAP / other government and non-dilutive funding (nice to have)

Why Join Sera4?
Flexible work environment — we focus on results, not long hours
Direct exposure to leadership and meaningful ownership
Chance to improve systems in a growing technology company
Exposure to the full accounting cycle in a scaling technology company
Collaborative, no-silos culture

Interested?
If you’re a CPA who values clean systems, efficient closes, and contributing to a growing organization — we’d love to connect.

📌 Accounting And Finance Manager Waterloo
🏢 Sera4
📍 Waterloo