SOC Investigation Specialist Talent Network

Mercor is hiring SOC Investigation Specialist on behalf of high-growth technology and enterprise partners building next-generation SOC automation and AI-driven investigation systems. This role is ideal for experienced SOC analysts who can apply real-world investigative judgment to review, validate, and construct high-quality security investigations across SIEM, endpoint, cloud, and identity environments.

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Responsibilities

• Review, monitor, and evaluate SOC alerts and investigation outputs based on predefined scenarios and criteria.
• Distinguish true positives from false positives by validating investigative evidence and alert context.
• Perform end-to-end security investigations when required, including log analysis, entity pivoting, timeline reconstruction, and evidence correlation.
• Assess the correctness, completeness, and quality of SOC investigations produced by automated or human workflows.
• Apply consistent investigative judgment while recognizing that multiple valid investigation paths may exist for the same alert.
• Make clear binary determinations (e.g., ACCEPT / PASS) while also producing detailed ground-truth investigations when required.
• Use Splunk extensively to pivot across logs, entities, and timelines, including reading and reasoning about SPL queries.
• Maintain clear and accurate documentation of investigative steps, assumptions, evidence, and conclusions.
• Collaborate with program leads and other expert annotators to uphold high-quality investigation and annotation standards.
• Mentor or support other analysts where applicable, particularly in long-term or lead annotator roles.

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Requirements