Head of Infrastructure & Security

We operate two connected businesses: Rebus , a B2B SaaS platform serving enterprise warehouse and fulfillment operations, and Longbow Advantage , a WMS implementation and professional services firm. Rebus ingests and stores sensitive operational and personally identifiable data on behalf of our customers, which makes us a data processor with real security and compliance obligations. Longbow runs the corporate technology backbone that both businesses depend on, plus a small hosted‑services footprint.

This role is Work From Home & remote, located in Montreal with some in‑person team meetings.

Head of Infrastructure & Security – Overview

We are looking for a senior leader to own infrastructure, security, and IT across both businesses end to end. This is a hands‑on leadership role that balances strategy with technical execution and leads a small team of strong individual contributors.

What You'll Own as Head of Infrastructure & Securi...