Network Based Systems Analyst

2 weeks ago

Arlington, United States PassionHR Inc Full time
Job DescriptionJob Description

NETWORK BASED SYSTEMS ANALYST

We are seeking to hire an experienced Cyber Network Defense Analysts (CNDA) to support this critical customer mission in Arlington, Virginia. 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

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 analyzes 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

US 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

EDUCATION

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


DESIRED

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

CERTIFICATIONS

DoD 8140.01 IAT Level II, IASAE II, CSSP Analyst, GCIA, GCIH, CSSP Analyst/CSSP Incident Responder, CEH

SANS GIAC GNFA preferred

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