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 advisers, 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 a Security Operations Engineer to own the daily operation and continuous improvement of Alpaca’s SIEM and SOAR capabilities. You will onboard security logs, develop and tune detections, keep alerts actionable, maintain operational dashboards, and automate repeatable response actions. You will keep log onboarding, detection quality, and alert handling consistent, and you will turn security signals into action as the business grows. This role reports to the Enterprise Security Architect and works closely with Security, IT, DevOps, and Engineering. The Security Team is 100% distributed and remote.

The core responsibilities of the Security Operations Engineer are focused on detection, response automation, operational excellence, and cross-functional coordination.

SIEM Operations and Detection Engineering

Log Onboarding: Onboard current security log sources across cloud, identity, endpoint,



SaaS, and application systems, including parsing, normalization, and data quality checks.

Build, test, and tune detection rules based on threat intelligence, incident learnings, and emerging attack techniques, mapped to frameworks such as MITRE ATT&CK.;

Alert Quality: Maintain detections for critical systems and priority attack techniques.

Support security incidents with evidence collection, detection queries, and containment actions, working with IT, Engineering, and external partners.

Track and report security operations metrics, including mean time to detect (MTTD) and mean time to respond (MTTR).

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

Triage, investigate, and respond to security alerts across endpoints, identity, cloud, network, and application logs.

Threat Hunting: Run hypothesis‑driven hunts based on threat intelligence and incident learnings, and turn findings into new detections.

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

- 3+ years of experience in Security Operations or detection engineering roles
- Experience building SOAR playbooks or equivalent response automation
- Working with Linux
- Scripting or automation experience (Python, Bash) for security operations tasks
- Strong alert investigation skills across identity, endpoint, network, and cloud environments
- Understanding of common attacker techniques and detection methodologies
- Experience supporting security incidents, including evidence collection, detection queries, and containment
- Willing to participate in an on‑call rotation
- Experience with detection‑as‑code, GitOps, and CI/CD pipelines

Knowledge of cloud security logging (AWS/GCP/Azure) and SaaS security telemetry

Familiarity with Kubernetes‑hosted security tooling

Security certifications (GCIA, GCIH, GCED, or similar)

Ability to balance security rigor with operational efficiency and business needs

Competitive Salary & Stock Options

New Hire Home‑Office Setup: One‑time USD $500

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📌 Security Operations Engineer (H/F) (IT)
🏢 Alpaca
📍 Montreal