Network Forensics Cybersecurity Specialist

1 month ago

Arlington, Virginia, United States ARSIEM Full time
About ARSIEM Corporation

We are a trusted partner to the US government, providing support to multiple agencies across the country. Our team of experts is committed to delivering cutting-edge technical solutions that meet the highest standards of quality and value.

Job Summary

We are seeking a highly skilled Network Forensics Cybersecurity Analyst to join our team. This role will support one of our government clients in Arlington, VA, and will involve coordinating incident response investigations, interfacing with customers, and analyzing network activity to identify security concerns.

Key Responsibilities
  • Assist the government lead in coordinating teams for preliminary incident response investigations
  • Interface with customers while on-site and provide expert analysis of network activity
  • Determine appropriate courses of action in response to identified anomalous network activity
  • Assess network topology and device configurations to identify critical security concerns and provide recommendations
  • Contribute to the writing and publishing of Computer Network Defense guidance and reports on incident findings
  • Collect network intrusion artifacts 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 with real-time CND incident handling tasks to support onsite engagements
Requirements
  • BS in Computer Science, Cyber Security, Computer Engineering, or related field; or HS Diploma & 4-6 years of network investigations experience
  • 2+ 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 Wi-Fi 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
  • Ability to work collaboratively across physical locations
Preferred Qualifications
  • 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 in preserving evidence integrity according to standard operating procedures or national standards
  • Proficiency with designing cyber security systems and environments in a Linux and/or Windows environment
  • Proficiency with virtualized environments
  • DoD IAT Level II, IASAE II, CSSP Analyst
  • DoD GCIA, GCIH, CSSP Analyst/CSSP Incident Responder
  • DoD CEH, CSSP Analyst
  • SANS GIAC GNFA preferred

This position requires an Active TS/SCI clearance and the ability to obtain Department of Homeland Security (DHS) Entry on Duty (EOD) Suitability.

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