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Cyber Network Defense Analyst III with Security Clearance
NewGen TechnologiesArlington, VA🇺🇸United StatesPosted 4 Aug 2026
Quick Overview
Work Type
On Site
Schedule
Employee
Level
Mid Senior
Job Description
Cyber Network Defense Analyst III * Arlington, VA Our Partner provides remote and onsite advanced technical assistance, proactive hunting, rapid onsite incident response, and immediate investigation and resolution using host-based, network-based and cloud-based cybersecurity analysis capabilities. Team personnel provide front line response for digital forensics/incident response (DFIR) and proactively hunting for malicious cyber activity. They are seeking Cyber Network Defense Analysts (CNDA) to support this critical customer mission. The CDNA uses information collected from a variety of sources to monitor network activity and analyze it for evidence of suspicious behavior. Monitoring and analysis are performed to identify and report events that occur, or might occur, within the network, in order to protect information, information systems, and networks from threats. Responsibilities * Assist the Government lead in coordinating teams in preliminary incident response investigations * Assist the Government lead with interfacing with the customer while on site * Determine appropriate courses of actions in response to identified and analyses anomalous network activity * Assess network topology and device configurations identifying critical security concerns and providing security best practice recommendations * Collect network intrusion artifacts (e.g., PCAP, domains, URI’s, certificates, etc.) and use discovered data to enable mitigation of potential Computer Network Defense incidents * Analyze identified malicious network activity to determine weaknesses exploited, exploitation methods, effects on system and information * Collect network device integrity data and analyze for signs of tampering or compromise * Assist with real-time CND incident handling (i.e., forensic collections, intrusion correlation and tracking, threat analysis, and advising on system remediation) tasks to support onsite engagements Requirements * U.S. Citizenship * Active TS/SCI Clearance * Must be able to obtain DHS Suitability * BS Computer Science, Cyber Security, Computer Engineering, or related degree; or HS Diploma & 7-9 years of network investigations experience * 5+ years of directly relevant experience in network investigations * In depth knowledge of CND policies, procedures and regulations * In depth knowledge of TCP/IP protocols * In depth knowledge of standard protocols – ICMP, HTTP/S, DNS, SSH, SMTP, SMB, NFS, etc. * In depth knowledge and experience of Wifi networking * In depth knowledge and experience of network topologies - DMZ’s, WAN’s, etc. * Substantial knowledge of Splunk (or other SIEM’s) * Understanding of MITRE Adversary Tactics, Techniques and Common Knowledge (ATT&CK) * Knowledge of Computer Network Defense policies, procedures, and regulations * Knowledge of defense-in-depth principles and general attack stages with respect to network security architecture * Ability to characterize and analyze network traffic to identify anomalous activity and potential threats to network resources * Ability to identify and analyze anomalies in network traffic using metadata * Experience with reconstructing a malicious attack or activity based on network traffic * Experience examining network topologies to understand data flows through the network * Must be able to work collaboratively across physical locations Desired Skills * Substantial knowledge of network device integrity concepts and methodologies * Proficiency with network analysis software (e.g. Wireshark) * Proficiency with carving and extracting information from PCAP data * Proficiency with non-traditional network traffic (e.g. Command and Control) * Proficiency with preserving evidence integrity according to standard operating procedures or national standards * Proficiency with virtualized environments Desired Certifications * DoD 8140.01 IAT Level II, IASAE II, CSSP Analyst, GCIA, GCIH, CSSP Analyst/CSSP Incident Responder, CEH * SANS GIAC GNFA preferred About Us For more than 20 years, NewGen Technologies has solved our clients’ toughest IT challenges with integrity, security, and outstanding service by delivering both technology and talent. We have helped secure borders, have used artificial intelligence (AI) to fight terror, aided the identification of criminals, and have helped to prevent crime through the introduction of biometrics. Our team of Highly Cleared Specialists have hard-to-find skills and expertise in a wide spectrum of technologies to provide solutions that transform business processes and solve problems of national significance. #CJ Apply Now More Openings * Computer Network Defense Analyst (CNDA) III * Arlington, VA * Cyber Incident Manager III * Arlington, VA * Subject Matter Expert Hardware Reverse Engineer * Arlington, VA Share This Job
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