Local Defender - Cybersecurity

General Summary:

The Local Defender is a critical cybersecurity role responsible for protecting the organizations digital assets through proactive monitoring analysis and response to cyber threats. This role combines the duties of a Security Operations Center (SOC) Analyst and Threat Analyst to ensure a holistic defense against emerging threats. Key responsibilities include monitoring security logs analyzing and reporting cyber incidents reviewing Common Vulnerabilities and Exposures (CVEs) and implementing directives from NETCOM (e.g. Cyber Tasking Orders CTO). Work is performed onsite with occasional oncall duties for critical incidents in a collaborative demanding environment requiring attention to emerging threats and vulnerabilities. May require CONUS and/or OCONUS travel to customer sites. The preferred candidate will be wellversed in common cyber threats vulnerabilities and adversarial tactics techniques and procedures (TTPs). In this role the candidate is expected to work with minimal guidance in a crossfunctional team ensuring reports and recommendations are effectively communicated and actioned to support the Government customer and mission requirements.

Principal Duties and Responsibilities:

• Monitor and analyze security events and alerts generated by SIEM platforms firewalls IDS/IPS and endpoint detection tools to identify potential threats and anomalous behavior.
• Perform basic system administration functions on the sensor capability systems and components such as applying patches and updates.
• Analyze data from installed OT sensors to identify patterns trends and assist with the reports generated regarding system performance and health.
• Diagnose and resolve issues related to sensor data including malfunctioning sensors communication problems and data integrity problems if necessary.
• Analyze potential security incidents and investigate to determine the scope impact root cause and recommend effective remediation strategies.
• Perform triage on security incidents to identify root causes and recommend appropriate mitigation measures.
• Conduct regular reviews of SIEM reports to identify patterns trends and potential vulnerabilities within the organizations infrastructure.
• Develop actionable recommendations based on SIEM data analysis to enhance detection capabilities optimize alert configurations and address identified gaps.
• Escalate critical incidents to senior leadership or appropriate teams and provide detailed incident summaries with proposed mitigation actions.
• Maintain accurate documentation of security events and incidenthandling procedures.
• Monitor and evaluate Cyber Tasking Orders (CTOs) and other directives from NETCOM ensuring compliance and timely implementation of mitigations.
• Conduct research on the latest organizations environment threat vectors attack methodologies and adversarial tactics techniques and procedures (TTPs).
• Collaborate with other cybersecurity team members and the government customer to integrate threat intelligence into incident detection and response processes.
• Analyze CVEs security bulletins threat intelligence feeds and security advisories to assess their relevance and potential impact to the mission and the organizations environment.
• Correlate threat intelligence with SIEM findings to identify and assess emerging threats.
• Develop and communicate proactive mitigation strategies based on threat landscape trends and adversary tactics.
• Generate detailed and actionable reports for leadership from SIEM platforms summarizing identified threats incidents and remediation steps.
• Provide recommendations for improving the organizations cybersecurity posture based on incident trends and threat intelligence.
• Maintain clear communication with crossfunctional teams to ensure alignment with security objectives and protocols.
• Generate detailed reports threats false positives and actionable insights.
• Provide the Government customer and leadership with concise datadriven recommendations for enhancing the organizations cybersecurity defenses based on SIEM trends and incident analysis.
• Prepare summaries and status updates of security posture improvements resulting from SIEM data analysis and implemented recommendations.
• Support the configuration tuning and optimization of security monitoring tools including SIEM and threat detection platforms.
• Work with the team to improve the accuracy reliability and efficiency of OT sensor data collection and analysis.
• Conduct periodic reviews and updates of security tools to address gaps or inefficiencies.
• Participate in the testing and implementation of new security technologies as required.
• Collaborate with the team and the stakeholder community to finetune SIEM configurations including custom rule creation and log source integration to improve threat detection accuracy.
• Conduct periodic evaluations of SIEM and related tools providing recommendations for feature enhancements or additional capabilities.
• Support the testing and deployment of security solutions to ensure seamless integration with the existing monitoring infrastructure.

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