Cyber Network Defense Analysts (CNDA) / Host Based Systems Analyst

　　Location: Dulles, VA

　　Must have Top Secret Clearance

　　An 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 hunt for malicious cyber activity.

　　Node is 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 customer with coordinating preliminary incident response investigations

　　Assist customer interface with external customers

　　Determine appropriate course of action in response to identified and analyze anomalous network activity

　　Assesses network topology and device configurations identifying critical security concerns and providing security best practice recommendations

　　Collect network intrusion artifacts (e.g., PCAP, domains, URIs, 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 customer 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 engagement

　　Requirements

　　Required Skills:

　　U.S. Citizenship

　　Must have an active TS/SCI clearance

　　Must be able to obtain DHS Suitability

　　8+ 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 - DMZs, WANs, 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 methodologiesExperience with or knowledge of two or more of the following tools: WireShark, Splunk, Snort, Corelight, Suricata, Arkime

　　Experience with EDR Tools (Crowdstrike, Carbon Black, Etc)

　　Proficiency with virtualized environments

　　Proficiency in conducting all-source research.

　　Proficiency with carving and extracting information from PCAP data

　　Proficiency with non-traditional network traffic (e.g. Command and Control)

　　Familiarity with ICS/SCADA protocols

　　Familiarity with Python or other scripting languages

　　Required Education:

　　BS Computer Science, Cybersecurity, Computer Engineering, or related degree; or HS Diploma and 10+ years of network investigation experience

　　Desired Certifications:

　　GCFA, GCFE, EnCE, CCE, CFCE, CISSP, IASAE II, GCIA, GCIH, CSSP Analyst, CSSP Incident Responder, CEH, SANS 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 VALUES

　　Identifying theRIGHT PEOPLEand developing them to their full capabilities

　　Our customer’s “Mission” is our “Mission”. OurMISSION FIRSTapproach is designed to keep our customers fully engaged while becoming their trusted partner

　　We believe inSIMPLIFYINGcomplex problems with a relentless focus on agile delivery excellence

　　Our mantra is “SimpleSecureSpeed” in the delivery of innovative services and solutions

　　Benefits

　　We are proud to offer competitive compensation and benefits packages to include

　　Medical

　　Dental

　　Vision

　　Basic Life

　　Long-Term Disability

　　Health Saving Account

　　401K

　　Three weeks of PTO

　　10 Paid Holidays

　　Pre-Approved Online Training