Network Based Systems Analyst L03

Base One Technologies; Arlington (VA); On-site; USD 80,000 - 100,000; Full time

Job summary

A technology firm is seeking an experienced professional for network investigations in Arlington, Virginia. The role involves analyzing network activity, assisting in incident responses, and collaborating across teams. Candidates must have an active TS/SCI clearance and at least 5 years of relevant experience in network investigations. Knowledge of CND policies and various network protocols is essential. This position presents a unique opportunity to contribute to significant security efforts in a fast-paced environment.

Qualifications

• Must have an active TS/SCI clearance.
• 5+ years of relevant experience in network investigations.
• In-depth knowledge of standard protocols like TCP/IP, ICMP, HTTP/S, etc.
• Ability to identify and analyze anomalies in network traffic using metadata.

Responsibilities

• Assist in coordinating teams in incident response investigations.
• Analyze malicious network activity to determine effects on system.
• Collect and analyze network device integrity data for signs of compromise.
• Assist with real-time incident handling tasks.

Skills

Active TS/SCI clearance

5+ years of relevant experience in network investigations

In-depth knowledge of CND policies

Knowledge of TCP/IP protocols

Experience with Splunk

Ability to analyze network traffic

Education

BS in Computer Science, Cyber Security, or Computer Engineering

Tools

Wireshark

Job description

Responsibilities

• 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

Required Skills

• 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

Required Education

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

Desired Certifications

(None listed)