Cyber Network Defense Analyst; CNDA

Cyber Network Defense Analyst (CNDA) at Sentar Inc.

• Continuously monitor network activity to detect and respond to potential security incidents
• Conduct intrusion detection and incident response activities
• Analyze correlated log data to identify potential threats or anomalies
• Develop and implement custom Snort rules to enhance network intrusion detection capabilities
• Recognize and differentiate between legitimate network activity and malicious intrusions or compromises
• Analyze event logs and other relevant data to investigate successful intrusions and compromised systems
• Communicate effectively with internal teams and external partners across various levels
• Secure network gear by implementing appropriate measures to mitigate known vulnerabilities
• Correlate forensic findings with network events to develop detailed intrusion narratives
• Conduct forensic triage, analyzing the scope and potential impact of incidents
• Collect, process, preserve, and analyze computer‑related evidence
• Collaborate with government and customer personnel to validate and investigate security alerts
• Document and track incident analysis through resolution, providing detailed reports and findings

• Proficiency in a wide array of network and information security tools
• Strong understanding of modern computer systems, client/server, LAN/WAN, and network management/monitoring concepts
• Ability to analyze data across multiple platforms (traditional networks, cloud, IoT)
• Experience securing network hardware (routers, switches, servers, etc.) against vulnerabilities
• Knowledge of intrusion detection systems, firewalls, and network logs
• Ability to analyze and interpret logs to identify intrusions and distinguish between false positives
• Experience with network forensics, vulnerability analysis, penetration testing, and computer forensics

Clearance Level: TS/SCI with active poly

Education and Experience: 10 years of experience with an Associate’s, 8 years of experience with a Bachelor’s, 6 years of experience with a Master’s, 4 years with a Doctorate.

Experience:

• Relevant experience in network/system administration, vulnerability analysis, penetration testing, computer forensics, or military cyber defense training
• Experience with cloud environments and automation tools to support cyber defense operations
• Strong analytical skills to assess network vulnerabilities and propose mitigation strategies
• Excellent verbal and written communication skills to share findings with stakeholders

Certifications (Preferred but not required):

• Certified Ethical Hacker (CEH)
• GIAC Certified Incident Handler (GCIH)
• Certified Information Systems Security Professional (CISSP)
• CompTIA Cybersecurity Analyst (CySA+)
• GIAC Certified Intrusion Analyst (GCIA)
• Offensive Security Certified Professional (OSCP)

• 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 provided by Sentar to all qualifying employees
• Generous 401(k) match
• Competitive PTO plan that graduates quickly with years of service
• Other leave programs; holiday schedule along with bereavement, maternity, jury and military duty
• Mental health awareness programs
• Tuition reimbursement
• Professional development reimbursement
• Recognition and Awards programs

Sentar is an affirmative action and equal opportunity employer M/F/Vets/Persons with Disabilities. Sentar is proudly an Equal Opportunity and VEVRAA Federal Contractor Employer M/F/Vets/Persons with Disabilities. Follow these links to learn more about your rights: EEO Is the Law Poster; EEO Is Law Supplement; and Pay Transparency.

If you are ready to apply for this position, submit your resume here to join our talent community. We'll keep you updated occasionally on new job opportunities.

Build, Innovate, Secure Your Career at Sentar.