{"schemaVersion":"jobsearcher.job.v1","id":"089c40148631205ab8a42845","url":"https://jobsearcher.com/jobs/089c40148631205ab8a42845","canonicalUrl":"https://jobsearcher.com/jobs/089c40148631205ab8a42845","title":"SIEM Analyst","description":"Mantis Security is a leading specialty firm of high caliber talent who specialize in Cyber Operations, Cyber Defense, Information Assurance, Software Development, DevSecOps, Security Engineering, and Cloud Engineering. We enable and protect our nation's most important IT assets and invest in the long-term career development of every employee! We are currently looking for the next SIEM Analyst to join our team of experts!\n\nWhat You'll Be Doing\n\nAs a SIEM Analyst at Mantis Security, you'll help maintain and improve the security monitoring capabilities that give our customers visibility into their environments. You'll work closely with SOC analysts, engineers, and other cybersecurity professionals to make sure the right data is being collected, analyzed, and turned into actionable security information.\n\nMonitor and analyze security events and alerts within the SIEM\nDevelop, tune, and maintain correlation rules, alerts, dashboards, and searches\nInvestigate security events by correlating activity across multiple log and data sources\nSupport the onboarding, parsing, normalization, and validation of new log sources\nIdentify and troubleshoot gaps in logging, data ingestion, and security visibility\nHelp reduce false positives and improve the accuracy and effectiveness of security detections\nSupport incident investigations, threat hunting, and reporting requirements\nDocument SIEM configurations, detection logic, processes, and recommended improvements\n\nWhat We're Looking For\n10+ years of cybersecurity experience with hands-on SIEM experience\nExperience with Splunk, Elastic, Microsoft Sentinel, or a comparable enterprise SIEM platform\nStrong understanding of security logs, event correlation, and detection methodologies\nWorking knowledge of Windows, Linux, network, firewall, authentication, and cloud logging\nExperience creating and tuning queries, alerts, correlation rules, and dashboards\nUnderstanding of common attack techniques and the ability to translate threats into detection logic\nFamiliarity with MITRE ATT&CK and its application to security monitoring and detection\nStrong analytical, troubleshooting, and technical communication skills\nSecurity+ or equivalent cybersecurity certification\nActive TS/SCI security clearance required.\n\nNice to Have\nExperience supporting DoD, Intelligence Community, or other federal environments\nSplunk, Elastic, or Microsoft security certifications\nExperience with AWS security logging and cloud-based data sources\nExperience with Python, PowerShell, or other scripting languages\n\ndNkw8zq1v5","company":"Mantis Security","rawCompany":"mantis security","city":"Reston","state":"VA","isRemote":false,"isActive":false,"createdAt":"2026-09-06T08:22:43.173Z","occupations":[{"code":"15-1212.00","title":"Information Security Analysts","slug":"information-security-analysts"},{"code":"15-1299.05","title":"Information Security Engineers","slug":"information-security-engineers"},{"code":"13-1199.07","title":"Security Management Specialists","slug":"security-management-specialists"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541690","title":"Other Scientific and Technical Consulting Services","slug":"other-scientific-and-technical-consulting-services"},{"code":"541519","title":"Other Computer Related Services","slug":"other-computer-related-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"SIEM Analyst","description":"Mantis Security is a leading specialty firm of high caliber talent who specialize in Cyber Operations, Cyber Defense, Information Assurance, Software Development, DevSecOps, Security Engineering, and Cloud Engineering. We enable and protect our nation's most important IT assets and invest in the long-term career development of every employee! We are currently looking for the next SIEM Analyst to join our team of experts!\n\nWhat You'll Be Doing\n\nAs a SIEM Analyst at Mantis Security, you'll help maintain and improve the security monitoring capabilities that give our customers visibility into their environments. You'll work closely with SOC analysts, engineers, and other cybersecurity professionals to make sure the right data is being collected, analyzed, and turned into actionable security information.\n\nMonitor and analyze security events and alerts within the SIEM\nDevelop, tune, and maintain correlation rules, alerts, dashboards, and searches\nInvestigate security events by correlating activity across multiple log and data sources\nSupport the onboarding, parsing, normalization, and validation of new log sources\nIdentify and troubleshoot gaps in logging, data ingestion, and security visibility\nHelp reduce false positives and improve the accuracy and effectiveness of security detections\nSupport incident investigations, threat hunting, and reporting requirements\nDocument SIEM configurations, detection logic, processes, and recommended improvements\n\nWhat We're Looking For\n10+ years of cybersecurity experience with hands-on SIEM experience\nExperience with Splunk, Elastic, Microsoft Sentinel, or a comparable enterprise SIEM platform\nStrong understanding of security logs, event correlation, and detection methodologies\nWorking knowledge of Windows, Linux, network, firewall, authentication, and cloud logging\nExperience creating and tuning queries, alerts, correlation rules, and dashboards\nUnderstanding of common attack techniques and the ability to translate threats into detection logic\nFamiliarity with MITRE ATT&CK and its application to security monitoring and detection\nStrong analytical, troubleshooting, and technical communication skills\nSecurity+ or equivalent cybersecurity certification\nActive TS/SCI security clearance required.\n\nNice to Have\nExperience supporting DoD, Intelligence Community, or other federal environments\nSplunk, Elastic, or Microsoft security certifications\nExperience with AWS security logging and cloud-based data sources\nExperience with Python, PowerShell, or other scripting languages\n\ndNkw8zq1v5","datePosted":"2026-09-06T08:22:43.173Z","dateModified":"2026-09-06T08:22:43.173Z","hiringOrganization":{"@type":"Organization","name":"Mantis Security","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Reston","addressRegion":"VA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"089c40148631205ab8a42845"},"url":"https://jobsearcher.com/jobs/089c40148631205ab8a42845"}}