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Network Based Systems Analyst - III

Arlington, VA, USA

Job Type

Contract

Workspace

On-Site

About the Role

- Assists the Government lead in coordinating teams in preliminary incident response investigations
- Assists the Government lead with interfacing with the customer while on site
- Determines appropriate courses of actions in response to identified and analyses anomalous network activity
- Assesses network topology and device configurations identifying critical security concerns and providing security best practice recommendations
- Collects network intrusion artifacts (e.g., PCAP, domains, URI’s, certificates, etc.) and uses discovered data to enable mitigation of potential Computer Network Defense incidents
- Analyzes identified malicious network activity to determine weaknesses exploited, exploitation methods, effects on system and information
- Collects network device integrity data and analyze for signs of tampering or compromise
- Assists 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

- Must have an active TS/SCI clearance

- Must be able to obtain DHS Suitability

- 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

Education

BS Computer Science, Cyber Security, Computer Engineering, or related degree; or HS Diploma & 7-9 years of network investigations experience.

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