Senior SOC & Threat Analyst — Onsite Cyber Defender

Colsa-5; California; On-site; USD 139,000 - 150,000; Full time

Job summary

COLSA Corporation in San Miguel, California, seeks a Local Defender - Cybersecurity (SOC Analyst & Threat Analyst) to protect critical assets. You will monitor logs, analyze incidents, review CVEs, and implement CTO-driven mitigations in a demanding, on-site environment.

The role requires a DoD Secret clearance (Top Secret eligibility preferred), 12+ years of cybersecurity experience including SOC work, and proficiency with SIEM, threat intel, and OT sensors.

Qualifications

• Bachelor's degree in Cybersecurity, Computer Science, Information Technology, or related field
• 12+ years of work experience including 2+ years in SOC/cybersecurity
• CompTIA Security+ certification (DOD 8140 IAT Level II)
• Active DoD Secret Security Clearance with eligibility for Top Secret
• Proficient in analyzing security events/logs/alerts from SIEM, firewalls, IDS/IPS
• Familiarity with CVEs, MITRE ATT&CK, and vulnerability management
• Knowledge of NETCOM policies and CTOs
• Strong analytical and problem-solving skills
• Willingness to travel CONUS/OCONUS

Responsibilities

• Monitor security events and alerts from SIEM, firewalls, IDS/IPS, and EDR to identify threats
• Perform basic sensor-related system administration tasks
• Analyze OT sensor data for trends and health reporting
• Investigate security incidents to determine scope, root cause, and remediation
• Triage incidents and recommend mitigations
• Review SIEM reports for patterns and vulnerabilities
• Develop actionable mitigation recommendations based on SIEM data
• Escalate incidents with detailed summaries to leadership
• Maintain documentation of security events and procedures
• Ensure CTO compliance and timely mitigations
• Collaborate with government customer to integrate threat intelligence
• Produce leadership reports with threats and remediation steps
• Support configuration and tuning of monitoring tools

Skills

Analytical skills

Problem solving

SIEM analysis

Python

PowerShell

Threat intelligence

CTO knowledge

Education

Bachelor's degree in Cybersecurity/CS/IT or related field

CompTIA Security+ (DOD 8140 IAT Level II)

Tools

Dragos OT Sensor Equipment

OT Tenable

Job description

COLSA Corporation in San Miguel, California, seeks a Local Defender - Cybersecurity (SOC Analyst & Threat Analyst) to protect critical assets. You will monitor logs, analyze incidents, review CVEs, and implement CTO-driven mitigations in a demanding, on-site environment.

The role requires a DoD Secret clearance (Top Secret eligibility preferred), 12+ years of cybersecurity experience including SOC work, and proficiency with SIEM, threat intel, and OT sensors.