Network Based Systems Analyst

Our Arlington VA based client is looking for Network Based Systems Analyst in Arlington. If you are qualified for this position, please email your updated resume in word format to [Click Here to Email Your Resumé]Network Based Systems Analyst Level I Core Competencies: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 resourcesIdentify and analyze anomalies in network traffic using metadataReconstruct a malicious attack or activity based on network trafficExamine network topologies to understand data flows through the networkKnowledge of network device integrity concepts and methodologiesSkill in preserving evidence integrity according to standard operating procedures or national standardsLevel I(Minimum 3 years network investigations experience with a High school diploma; or a Bachelor''s degree in a technical discipline from an accredited college or university in Computer Science, Cyber security, Computer Engineering, or related discipline, and with a minimum 1 year of network investigations experience)U.S. CitizenshipMust have an active TS/SCI clearanceMust be able to obtain DHS Suitability Proficiency at level II includes all core competencies in addition to the following:Monitor external data sources to maintain currency of Computer Network Defense threat conditionsPerform analysis of log files from a variety of sources (e.g., network traffic logs, firewall logs, intrusion detection system logs, DNS logs) to identify possible threats to network securityReceive and analyze network alerts from various sources within the enterprise and determine possible causes of such alertsTrack and document Computer Network Defense incidents from initial detection through final resolution Network Based Systems Analyst Level II Castalia Systems is seeking an active in-scope TS/SCI cleared Network Based Systems Analyst for a position in Arlington, VA to support a U.S. Government customer by providing support for onsite incident response to civilian Government agencies and critical asset owners who experience cyber-attacks, providing immediate investigation and resolution. Personnel will perform investigations to characterize of the severity of breaches, develop mitigation plans, and assist with the restoration of services. 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 recommendationsAssists with the writing and publishing of Computer Network Defense guidance and reports on incident findings to appropriate constituenciesCollects 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 engagements Required Skills: Must have an active TS/SCI clearanceBS Computer Science, Computer Engineering, Computer Information Systems, Computer Systems Engineering or related degree. Two years of related work experience may be substituted for each year of degree level education2+ years of directly relevant experience in network investigationsKnowledge 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 locations Desired Skills: Knowledge of network device integrity concepts and methodologiesUnderstanding of how to preserve evidence integrity according to standard operating procedures or national standardsDesired Certifications:DoD 8140.01 IAT Level IIIASAE IICSSP Analyst Network Based Systems Analyst, Level IIIThis project is supporting a U.S. Government customer to provide support for onsite incident response to civilian Government agencies and critical asset owners who experience cyber-attacks, providing immediate investigation and resolution. Candidates will perform investigations to characterize of the severity of breaches, develop mitigation plans, and assist with the restoration of services. We are seeking a Network Based Systems Analyst to support this critical program.Security Clearance Requirements:This position requires all candidates to be U.S. Citizens and possess an active Top Secret/SCI Clearance. -- Candidate must be able to obtain DHS Suitability.ResponsibilitiesAssists 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 recommendationsAssists with the writing and publishing of Computer Network Defense guidance and reports on incident findings to appropriate constituenciesCollects 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 engagements QualificationsRequired Education & Years of ExperienceBS Computer Science, Computer Engineering, Computer Information Systems, Computer Systems Engineering or related degree.Two years of related work experience may be substituted for each year of degree level education.5+ years of directly relevant experience in network investigationsRequired SkillsKnowledge 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 SkillsKnowledge of network device integrity concepts and methodologiesExperience with preserving evidence integrity according to standard operating procedures or national standardsExperience with designing cyber security systems and environments in a Linux and/or Windows environment Desired CertificationsDoD 8140.01 IAT Level II, IASAE II, CSSP AnalystNetwork Based Systems Analyst IV 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 recommendationsAssists with the writing and publishing of Computer Network Defense guidance and reports on incident findings to appropriate constituenciesCollects 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 engagements Required Skills:U.S. CitizenshipMust have an active TS/SCI clearanceMust be able to obtain DHS Suitability8 years or more of directly relevant experience in network investigationsKnowledge 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 locations Desired Skills:Knowledge of network device integrity concepts and methodologiesUnderstanding of how to preserve evidence integrity according to standard operating procedures or national standards Required Education:BS Computer Science, Computer Engineering, Computer Information Systems, Computer Systems Engineering or related degree. Two years of related work experience may be substituted for each year of degree level education. Desired Certifications:DoD 8140.01 IAT Level II, IASAE II, CSSP Analyst - provided by Dice

Created: 2025-09-06