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 store…
Skills: Cloud Infrastructure, Cybersecurity, GCP, SOC 2 Type II, MongoDB Atlas
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Full-time
Supportive Work Environment, Work/Life Balance, Competitive Salary, 4-Weeks Paid Vacation, 6 Paid Sick Days, 2 Paid Personal Days
Posted 43d ago
Apply by Sep 30
~40 hrs/week
Responsibilities
Own and scale the end-to-end cloud infrastructure and security posture for both the Rebus SaaS platform and Longbow Advantage. Lead the security program, maintain compliance certifications, and provide strategic oversight to the corporate IT function.
Requirements
Requires significant experience managing production cloud infrastructure at scale (ideally GCP) and driving SOC 2 Type II compliance. Must be capable of leading technical security conversations with enterprise customers and managing multi-tenant database environments.
Full job description
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.
What to expect…
We are looking for a Head of Infrastructure & Security; a senior leader to own infrastructure, security, and IT across both businesses end to end. Today these responsibilities sit with our VP of Product. This role exists to take full ownership of that domain; not just to maintain it, but to mature it, secure it, and scale it as we grow past our current stage.
This is a hands-on leadership role, not a purely strategic one. The Head of Infrastructure & Security will set direction and own outcomes, but at our scale you will also stay close enough to the technical detail to make sound architectural decisions and lead a small team of strong individual contributors
This role is Work From Home & remote, located in Montreal with some in-person team meetings
What You'll Own as Head of Infrastructure & Security:
SaaS Infrastructure (Rebus)
End-to-end ownership of our cloud infrastructure on GCP, architecture, reliability, cost, scalability, and operational excellence
The full cloud-native application environment; containerized and serverless workloads, cloud networking, and the large-scale, multi-tenant data layer (many terabytes of customer data on MongoDB Atlas), including the architecture, performance, and scaling decisions across all of it
Deployment, release, and maintenance processes, with a focus on uptime and minimizing customer-facing disruption, recognizing that a platform outage during an active warehouse shift is a customer event, not just a ticket
Leadership of our senior SRE, providing direction and architectural vision to move the platform forward
Security & Compliance
Our overall security program, policy, posture, tooling, and incident response, across both businesses
Achieving and maintaining SOC 2 Type II (and evaluating ISO 27001 as the customer base demands), including driving the program, evidence, and audit relationships
Customer-facing security: questionnaires, audits, and trust conversations with security-conscious enterprise buyers
Data protection obligations as a data processor, including PII handling and relevant privacy regimes (e.g. GDPR, CCPA)
Corporate IT & Hosted Services (Longbow Advantage) — oversight, not day-to-day
This is the smaller part of the role; expect it to take no more than -15% of your time. We have a strong, capable IT team already in place, so what's needed here is direction, guidance, and oversight rather than hands-on operation.
Strategic direction and oversight of the internal IT function, corporate network, on-prem and cloud infrastructure, identity, endpoint management, help desk, and vendor relationships
Light-touch oversight of a small, hosted WMS environment on GCP, including its reliability and availability commitments
Mentorship and development of an established IT team, including an IT Manager and IT Administrators who handle the day-to-day
What We're Looking For
This role is weighed heavily toward SaaS infrastructure and security; this is the core of the job. A smaller component (15% of time) involves providing direction and oversight to an already-strong corporate IT team.
We are hiring first and foremost for depth in cloud infrastructure and security; the ability to give sound guidance to a capable IT function follows from that.
The reverse profile — a strong IT manager stepping up into SaaS security, is not what this role needs.
Required
Significant experience owning production cloud infrastructure at scale, ideally on GCP, in a SaaS context
Demonstrated ownership of a security program at a company handling sensitive customer data, including direct experience driving SOC 2 Type II (or equivalent) to completion
Strong grasp of operating large, multi-tenant database environments — MongoDB experience is a significant advantage given our stack
The credibility to lead technical conversations with enterprise customers' security teams
Experience leading and developing technical staff, including senior individual contributors, and providing direction to an established IT team
Sound judgment on the reliability/ve1ocity/cost trade-offs that define infrastructure decisions at a growing company
Strong assets
Experience in a dual-business or services-plus-product environment
Familiarity with the privacy obligations of a data processor (GDPR, CCPA)
A pragmatic, build-vs-buy mindset on tooling and outsourced services (MDR, pentest, compliance automation)
The Litmus Test
The candidate we're looking for can credibly do all three of the following: drive a SOC 2 Type II program to completion, speak intelligently to the architecture and scaling risks of a large multi-tenant cloud-native environment, and hold a substantive security conversation with a demanding enterprise customer. Strong candidates clear all three. Providing oversight to the corporate IT team follows naturally from that foundation.
Why This Role Matters
You would be taking ownership of the single most concentrated area of risk and opportunity in the company: the infrastructure our product runs on and the security posture our customers increasingly evaluate us against.
It's a rare scope: enough breadth to shape the whole technology foundation of two businesses, enough depth to stay genuinely technical, and a direct line to senior leadership with the mandate to build the function as we scale.
Why Join Longbow?
Supportive work environment
Work/life balance
Competitive Salary
4-weeks of paid vacation
6 paid sick days, 2 paid personal days per year
Excellent health and dental benefits, eligible as of your first day!
Group RRSP/401k Matching
Work from Home
Longbow Advantage is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability status, protected veteran status, or any other characteristic protected by law.
We are not able to assist with relocation or work permit applications for this role.
All your information will be kept confidential according to EEO guidelines.
Related keywords
GCPMongoDB AtlasSOC 2 Type IIISO 27001GDPRCCPASaaSSREMDREDRSIEMMulti-tenant ArchitectureCloud-nativeContainerizationServerlessData Processor
Longbow Advantage is a supply chain consulting firm and system integrator that helps organizations transform complex warehouse operations into high-performing, data-driven environments. Our team brings deep operational expertise and a hands-on, consultative approach that focuses on designing and operationalizing solutions that deliver measurable business results.
We work across leading supply chain platforms such as Blue Yonder, Softeon, and other enterprise WMS and WES systems. Using proven frameworks and toolkits, we help companies accelerate time to value, reduce implementation risk, and ensure their technology investments translate into real operational performance.
Offices: 455 E Eisenhower Pkwy, Suite 60, Ann Arbor, Michigan 48108, US · 7250 Rue du Mile End, Suite 201, Montreal, Quebec H2R 3A4, CA · 2000 Argentia Rd, Plaza 2, Suite 107, Mississauga, Ontario L5N 1W1, CA
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