Cybersecurity Analyst - Master (TS/SCI)

About the role

JCS Solutions is seeking an experienced Cybersecurity Analyst - Master to support Defensive Cyber Operations (DCO) and Security Operations Center (SOC) activities on a mission-critical Department of Defense program. The successful candidate will serve as a senior cybersecurity professional responsible for advanced threat detection, incident analysis, SIEM operations, and coordination of cyber response activities across enterprise environments. This role requires deep expertise in cybersecurity operations, enterprise SIEM platforms, incident response, and cyber defense methodologies. The Cybersecurity Analyst - Master will provide technical leadership, oversee junior analysts, and brief senior leadership on cyber threats, incident activity, and operational readiness.

Location: Alexandria, VA (Mark Center)

Clearance: TS/SCI

JCS Solutions (JCS) is a premier technology firm providing innovative solutions and high-quality services in defense, national security, and civilian sectors. JCS offers enterprise-wide solutions including cloud computing, software development, cybersecurity, digital modernization, and management consulting for the federal government. At JCS, we elevate our customers’ mission through the application of technology and professional services. Our commitment to investing in our workforce drives innovation and progress for our clients, employees, and communities. JCS is both a Great Place to Work and a Top Places to Work certified company. Our employees embody our core values, and we are looking for others who do too!

Responsibilities

• Monitor, investigate, and analyze security events across enterprise environments
• Lead incident response and cyber defense activities in support of DCO operations
• Coordinate and prioritize cyber response actions among SOC personnel
• Provide technical leadership and mentorship to junior and mid-level cybersecurity analysts
• Conduct advanced threat analysis and triage malicious activity
• Develop recommendations for security tool configuration, tuning, and countermeasures
• Review and validate reports, analyses, and communications developed by cybersecurity team members
• Correlate threat intelligence, security alerts, logs, and forensic artifacts to identify indicators of compromise
• Develop and deliver briefings to senior government and contractor leadership
• Support continuous monitoring and cybersecurity operations in a fast-paced mission environment
• Ensure compliance with DoD cybersecurity policies, procedures, and reporting requirements

Requirements

• Active TS/SCI Clearance
• Minimum 10 years of cybersecurity experience
• Extensive experience supporting Security Operations Centers (SOC), Cyber Defense Operations, Incident Response, or Defensive Cyber Operations (DCO) environments
• Demonstrated experience with enterprise SIEM architecture, administration, engineering, and operations
• Experience leading teams and coordinating cyber response efforts
• Strong written and verbal communication skills with the