Security Research Engineer-Defender Experts Team

Microsoft Corporation
Full-time San José, Costa Rica other-general
Posted:
February 24, 2026
Location:
San José, Costa Rica, Costa Rica

Job Description

**Overview**

Security represents one of the most critical priorities for customers operating in today’s complex and rapidly evolving threat landscape. Microsoft Security is dedicated to making the world a safer place by delivering an integrated security cloud that protects users, developers, and organizations with end‑to‑end, simplified solutions. Our mission is to secure digital platforms, devices, applications, identities, and cloud environments across heterogeneous customer ecosystems while also protecting Microsoft’s own internal estate.

Our culture is rooted in a growth mindset, excellence, and continuous learning. We encourage teams to bring their best every day, fostering an environment where innovation thrives and where our work positively impacts billions of people worldwide.

Within this mission, the Defender Experts (DEX) team plays a vital role by delivering expert‑led cybersecurity investigations at scale. Using rich telemetry and signals from Mic...

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Job Overview

Job Type: Full-time
Location: San José, Costa Rica
Posted: February 24, 2026
Deadline: March 05, 2026