We are looking for a Senior Cyber Ops Analyst to defend complex environments by owning end-to-end investigations, leading threat hunts, and improving detections and response workflows. You will collaborate across security domains and apply automation to raise team effectiveness.ResponsibilitiesOwn complex multi-signal investigations end-to-end from triage to closureCorrelate telemetry across endpoint, identity, network, cloud, and email sources to determine scope and impactDecide on escalation and response actions under ambiguity and justify conclusions with evidenceExecute threat hunts based on threat intelligence and adversary TTPs to uncover missed activityWrite advanced queries to pivot, correlate events, and validate hypotheses across datasetsBuild automation with scripts and APIs to enrich, parse,



and correlate investigative dataLead incident handling for significant events and coordinate containment and eradication actionsPartner with detection engineering to translate investigative insights into higher-fidelity detectionsAuthor and tune detection content and track effectiveness and false-positive ratesCreate reusable analytical patterns, runbooks, and hunt guides to improve team executionMentor analysts and raise the team’s investigation and hunting capabilityUse approved AI tools to accelerate investigation workflows while verifying outputsProvide structured input for evaluating security tools and coverage gapsRequirements3+ years of SOC or security operations experience owning high-severity investigationsIncident response leadership experience coordinating containment and eradication across teamsProven project ownership skills driving investigations from triage through root-cause analysis and closureAdvanced query skills with KQL and SQL for hunting and event correlationStrong scripting skills in Python or PowerShell for automation and integrationsDeep SIEM and EDR experience across common enterprise platforms and telemetry sourcesStrong detection engineer

📌 Senior Cyber Ops Analyst (Argentina)
🏢 EPAM Systems
📍 Argentina