Network Based System Analyst

Network-Based System AnalystLocation: Arlington, VAMust have an active Top Secret Security ClearanceNode 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.We 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:Assists the Government lead in coordinating teams in preliminary incident response investigationsAssists the Government lead with interfacing with the customer while on siteDetermines appropriate courses of actions in response to identified and analyses anomalous network activityAssesses network topology and device configurations identifying critical security concerns and providing security best practice recommendationsCollects network intrusion artifacts (e.g., PCAP, domains, URI's, certificates, etc.) and uses discovered data to enable mitigation of potential Computer Network Defense incidentsAnalyzes identified malicious network activity to determine weaknesses exploited, exploitation methods, effects on system and informationCollects network device integrity data and analyze for signs of tampering or compromiseAssists 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 engagementsRequired Skills:U.S. CitizenshipMust have an active TS/SCI clearanceMust be able to obtain DHS Suitability5+ years of directly relevant experience in network investigationsIn depth knowledge of CND policies, procedures and regulationsIn depth knowledge of TCP/IP protocolsIn depth knowledge of standard protocols – ICMP, HTTP/S, DNS, SSH, SMTP, SMB, NFS, etc.In depth knowledge and experience of Wifi networkingIn 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 regulationsKnowledge of defense-in-depth principles and general attack stages with respect to network security architectureAbility to characterize and analyze network traffic to identify anomalous activity and potential threats to network resourcesAbility to identify and analyze anomalies in network traffic using metadataExperience with reconstructing a malicious attack or activity based on network trafficExperience examining network topologies to understand data flows through the networkMust be able to work collaboratively across physical locationsDesired Skills:Substantial knowledge of network device integrity concepts and methodologiesProficiency with network analysis software (e.g. Wireshark)Proficiency with carving and extracting information from PCAP dataProficiency with non-traditional network traffic (e.g. Command and Control)Proficiency with preserving evidence integrity according to standard operating procedures or national standardsProficiency with virtualized environmentsRequired Education:BS Computer Science, Cyber Security, Computer Engineering, or related degree; or HS Diploma & 7-9 years of network investigations experience.Desired Certifications:DoD 8140.01 IAT Level II, IASAE II, CSSP Analyst, GCIA, GCIH, CSSP Analyst/CSSP Incident Responder, CEHSANS GIAC GNFA preferredCompany Overview:Node.Digital is an independent Digital Automation & Cognitive Engineering company that integrates best-of-breed technologies to accelerate business impact.Our Core Values help us in our mission. They include:OUR CORE VALUESIdentifying the~RIGHT PEOPLE~and developing them to their full capabilitiesOur customer's "Mission" is our "Mission". Our~MISSION FIRST~approach is designed to keep our customers fully engaged while becoming their trusted partnerWe believe in~SIMPLIFYING~complex problems with a relentless focus on agile delivery excellenceOur mantra is "~SimpleSecureSpeed~" in the delivery of innovative services and solutions.We are proud to offer competitive compensation and benefits packages to include:MedicalDentalVisionBasic LifeLong-Term DisabilityHealth Savings Account401KThree weeks of PTO10 Paid HolidaysPre-Approved Online TrainingJ-18808-Ljbffr