Alpaca is a US-headquartered, global leader in agent-first brokerage infrastructure for stocks, ETFs, options, crypto, fixed income, 24/5 trading, and more.

Amongst our subsidiaries, Alpaca is a licensed financial services company, serving hundreds of financial institutions across 40 countries with our institutional-grade APIs. This includes broker-dealers, investment advisors, wealth managers, hedge funds, and crypto exchanges, totalling over 10 million brokerage accounts.

Our global team is a diverse group of experienced engineers, traders, and brokerage professionals who are working to achieve our mission of opening financial services to everyone on the planet. We're deeply committed to open-source contributions and fostering a vibrant community, continuously enhancing our award-winning, developer-friendly API and the robust infrastructure behind it.

Alpaca is proudly backed by $400 million in funding from top-tier global investors including Portage Ventures, Spark Capital, Tribe Capital, Social Leverage, Horizons Ventures, Opera Tech Ventures, SBI Group, Derayah Financial, Unbound, Peak XV, Elefund, and Y Combinator.

We are seeking an IT Security Engineer to own the security standards and controls that protect Alpaca’s workforce identities, endpoints, and critical business systems. The scope includes identity and access management, single sign-on, privileged access, multi-factor authentication, endpoint security, secure network access, and email security.

You will maintain those standards, measure how the controls are working, and partner with IT, who run devices and day-to-day administration.

This role reports to the Enterprise Security Architect and works closely with IT, DevOps, Engineering, GRC, and the wider Security team.

The Security Team is 100% distributed and remote.





The core responsibilities of the IT Security Engineer are focused on identity security, endpoint security, email and domain protection, and measurable control enforcement.

Maintain privileged-access standards, approval policies, and periodic access reviews with system owners.

Joiner, Mover, Leaver: Partner with IT and People teams so access changes are timely, complete, and auditable.

EDR Policy: Own endpoint detection and response policy and tuning, with IT handling deployment.

Maintain device-posture and secure network access requirements for access to business applications.

Control Measurement: Measure identity and endpoint controls and follow up where they are not met.

Maintain security baselines for administrator access to critical SaaS platforms and vendor accounts.

Vendor Security Events: Assess the identity and account impact when a SaaS provider or vendor reports a security event.

Email Security: Own email authentication standards and email security configuration.

Lead the identity, endpoint, and email aspects of security incidents, including account containment.

On-Call: Participate in the Security Operations on-call rotation after onboarding and cross-training.

Enablement: Give IT and employees clear guidance on security requirements, so controls are adopted without slowing the business.

Excited about Alpaca’s mission and what we’re building

3+ years of experience in IT security, identity security, or security engineering roles

Scripting or automation experience (Python, Bash, or PowerShell)

Experience with zero‑trust network access or device‑posture controls

Experience working closely with IT teams and translating security requirements into operational workflows

Willing to participate in an on‑call rotation

Experience with MDM platforms for macOS and Windows

Experience with cloud IAM in AWS, GCP, or Azure

Competitive Salary & Stock Options

Recent Hire Home-Office Setup: One‑time USD $500

📌 IT Security Engineer - Remote (Toronto)
🏢 Alpaca
📍 Toronto