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Cybersecurity Engineer – Elastic SIEM SME

Maximus • San Antonio, TX, US • published 2026-09-30 07:58:48.832797

Description

Friday, September 25, 2026 San Antonio TX United States Full\-time Maximus is seeking a Cybersecurity Engineer – Elastic SIEM SME. This role is on\-site in San Antonio, TX and requires an active TS/SCI security clearance. Maximus TCS (Technology and Consulting Services) Internal Job Profile Code: TCS059, T5, Band 8 **Job\-Specific Essential Duties and Responsibilities:** * Serve as the Elastic SIEM subject matter expert, exercising independent technical judgment and advising the team and customer. * Provide expert technical direction for the architecture, operation, and sustainment of the Elastic SIEM platform (Elasticsearch, Kibana, Logstash, Beats/Elastic Agent) across NIPRNet, SIPRNet, and JWICS environments. * Monitor SIEM health, perform capacity planning, and lead resolution of the most complex platform outages and degradations in accordance with defined SLAs. * Guide the design and review of detection rules, alerts, dashboards, and visualizations in Elastic to support DCO mission requirements. * Ingest, normalize, and validate log data from diverse sources including endpoint, network, cloud, and application telemetry. * Collaborate with cyber operators and analysts to suppor...

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