Cyber Defense Analyst

Sentar is an employee‑owned company dedicated to developing critical talent in cybersecurity, intelligence, analytics, and systems engineering. Join our team to build, innovate, and secure your career.

Cyber Defense Hunt Analyst – Quantico, VA

This mission‑driven analyst will support the Marine Corps Cyberspace Operations Group (MCCOG) under the Cybersecurity Service Provider (CSSP) mission. The role involves conducting advanced defensive cyberspace operations (DCO‑IDM) to detect, analyze, and mitigate Advanced Persistent Threats (APTs) across enterprise environments, performing proactive hunt missions to reduce adversary dwell time and improve defensive posture across Marine Corps networks.

• Clearance level: TS/SCI
• Certifications:
  
  IAT III and CSSP Analyst
• Bachelor’s degree
• 5+ years of related experience
• Proven experience analyzing endpoint, network, and identity telemetry to identify adversary activity
• Familiarity with MITRE ATT&CK, Power Shell‑based threat techniques, and Active Directory exploitation
• Demonstrated ability to produce compliant, technically accurate documentation under CJCSM 6510.01B

• Experience supporting MARFORCYBER, MCCOG, or other DoD CSSP organizations
• Hands‑on proficiency with Microsoft Sentinel, Defender for Endpoint, Cisco ISE, TACACS, Tanium, and SQL‑based data repositories
• Scripting proficiency in Power Shell or Bash for data collection or configuration retrieval
• Familiarity with adversary campaigns such as Volt Typhoon, Salt Typhoon, or APT
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• Understanding of CJCSM 6510.01B, DoD 8530.01‑M, and CSSP compliance reporting standards
• Strong communication and presentation skills – ability to brief technical and executive audiences
• Prior experience contributing to or teaching cyber hunt training courses or SOP updates

• Voluntary medical, dental, vision, with Health Savings or Flexible Spending Plan options
• Voluntary life, critical illness, accident, and long‑term care insurance options
• Group term life, short‑term and long‑term disability for qualifying employees
• Generous 401(k) match
• Competitive PTO that accelerates with service
• Other leave programs; holiday schedule including bereavement, maternity, jury, and military duty
• Mental health awareness programs
• Tuition reimbursement
• Professional development reimbursement
• Recognition and awards programs

If you are not ready to apply for this position, submit your resume here to join our talent community. We’ll keep you updated on new opportunities.

Sentar is an affirmative action and equal opportunity employer. M/F/Vets/Persons with Disabilities

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