Our Arlington VA based client is looking for Network Based Systems Analyst. If you are qualified for this position, please email your updated resume in word format to @base-one.comResponsibilities:Characterize and analyze network traffic to identify anomalous activity and potential threats to network resourcesCoordinate with enterprise-wide cyber defense staff to validate network alertsPerform management duties as required to support the team, projects and analystsDocument and escalate incidents (including event's history, status, and potential impact for further action) that may cause ongoing and immediate impact to the environmentPerform cyber defense trend analysis and reportingPerform event correlation using information gathered from a variety of sources within the enterprise to gain situational awareness and determine the effectiveness of an observed attackProvide daily summary reports of network events and activity relevant to cyber defense practicesReceive and analyze network alerts from various sources within the enterprise and determine possible causes of alertsProvide timely detection, identification, and alerting of possible attacks/intrusions, anomalous activities, and misuse activities and distinguish these incidents and events from benign activitiesUse cyber defense tools for continual monitoring and analysis of system activity to identify malicious activityAnalyze identified malicious activity to determine weaknesses exploited, exploitation methods, effects on system and informationIdentify and analyze anomalies in network traffic using metadataValidate intrusion detection system (IDS) alerts against network traffic using packet analysis toolsIdentify applications and operating systems of a network device based on network trafficReconstruct a malicious attack or activity based off network trafficIdentify network mapping and operating system (OS) fingerprinting activitiesAssist in the construction of signatures which can be implemented on cyber defense network tools in response to new or observed threats within the network environment or enclaveRequired Skills/Clearances:S. CitizenshipActive TS/SCI clearanceAbility to obtain Department of Homeland Security (DHS) Entry on Duty (EOD) Suitability8+ years of direct relevant experience in cyber defense analysis using leading edge technologies and industry standard cyber defense tools-Experience successfully developing and deploying signaturesExperience detecting host and network-based intrusions via intrusion detection technologies (eg, Snort)Experience implementing incident handling methodologiesExperience implementing protocol analyzersExperience collecting data from a variety of cyber defense resourcesExperience reading and interpreting signatures (eg snort)Experience performing packet-level analysisExperience conducting trend analysisDesired Skills:Python programming experienceStrong math and science backgroundExperience with Carnegie Mellon SiLK tool suiteRequired Education:BS Computer Science, Cyber Security, Computer Engineering, or related degree; or HS Diploma & 10 years of network investigations experience.Desired Certifications:One or more of the following professional certifications:GNFA, GCIH, GCIA, GSEC, CASP+, CySA+, PaLMS, FedVTE, GSEC (SANS401), Arcsight (or other SEIM solution), Network+, Security+