Detection & Response Engineer

Description

At TechBiz Global, we are providing recruitment service to our TOP clients from our portfolio. We are currently seeking a Detection & Response Engineer to join one of our clients' teams. If you're looking for an exciting opportunity to grow in a innovative environment, this could be the perfect fit for you.

Key Responsibilities:

• Investigate security cases and targeted hunts using CrowdStrike Falcon Next-Gen SIEM and CQL; correlate telemetry, assess scope and impact, document findings, and recommend appropriate actions.

• Develop, test, deploy, tune, and maintain detection logic, queries, dashboards, analyst guides, and version-controlled detection content.

• Build and maintain Falcon Fusion SOAR workflows for enrichment, evidence capture, routing, escalation, and authorized response.

• Validate telemetry coverage and quality; troubleshoot parsing, normalization, mapping, and source-data issues.

• Translate validated investigations into platform workflow specifications and co-build scripts, API integrations, workflow components, and prototypes with Product and Engineering.

• Test workflows and detections against representative cases; monitor outcomes, exceptions, and production feedback, and document ownership and support handoffs.

• Provide technical support, troubleshooting, knowledge transfer, and coaching; coordinate assigned analysis and platform work.

Must have:

• 5+ years of relevant security experience, including at least 2 years developing, testing, and tuning detection logic, or equivalent demonstrated capability.

• Production proficiency with CrowdStrike Falcon Next-Gen SIEM, including CQL, cross-source investigations, detection content, telemetry interpretation, and tuning.

• Hands-on Falcon Fusion SOAR workflow experience and practical use of Charlotte AI with evidence verification and awareness of approval boundaries.

• Practical Python, REST/Falcon APIs, JSON, authentication, error handling, and secure credential management; familiarity with PowerShell or another relevant scripting language.

• Experience with telemetry onboarding, parser/normalization troubleshooting, MITRE ATT&CK, Windows/Linux events, and controlled changes, version control, peer review, and regression testing.

• Strong investigation judgment, defensible documentation, communication, and cross-functional collaboration skills.

Nice to have:

• Experience converting SOC runbooks or manual analysis into production workflows or internal security platforms.

• CrowdStrike resident, responder, partner implementation, or customer-embedded Falcon experience; FalconPy or comparable API tooling.

• Experience partnering with Product and Engineering on analyst-facing features, case lifecycle integration, acceptance testing, or iterative delivery.

• Managed security services, multi-client or follow-the-sun SOC operations, and ITSM integrations such as ServiceNow or Jira.

• Relevant CrowdStrike training or credentials, GIAC invest