• Maintain SIEM solutions (Splunk, Sentinel, ELK, LogRhythm, Sumo Logic) in cloud environments (AWS, Azure, GCP) to support FedRAMP continuous monitoring requirements • Maintain and support SIEM platforms (Splunk, Sentinel, ELK, LogRhythm, Sumo Logic) in AWS, Azure, and GCP environments to support continuous monitoring and compliance requirements • Manage and maintain log collection infrastructure including forwarders, collectors, and ingestion pipelines across hybrid environments • Support SIEM performance tuning, storage management, retention settings, and licensing optimization under established operational guidelines • Implement and maintain log retention and audit configurations aligned with FedRAMP and other compliance framework requirements • Develop, tune, and maintain detection rules, correlation searches, and alerting logic to identify security events • Create and maintain custom parsers and field extractions for complex or proprietary log sources • Reduce false positives through ongoing rule tuning, baseline analysis, and detection improvement efforts • Participate in peer reviews of detection rules and SIEM configuration changes • Monitor SIEM alerts and investigate security events to support incident response and threat hunting activities • Contribute to development and maintenance of detection and response playbooks and operational procedures • Support troubleshooting of SIEM ingestion, parsing, and performance issues • Work with infrastructure and application teams to onboard new log sources and improve security visibility • Collect and organize SIEM control evidence and artifacts for audits and 3PAO assessment activities • Ensure SIEM configurations support required controls such as audit review, log integrity, and time synchronization • Create and maintain SIEM architecture, detection, and operational documentation and runbooks • Provide technical support during client reviews and operational meetings as assigned • Share knowledge and provide guidance to junior team members • Contribute to process improvement and automation initiatives within SIEM and detection workflows