Bachelor's degree in Computer Science, Cyber Security, Computer Engineering, or related field; or 7-9 years of network investigations experience with a high school diploma.
5+ years of experience in network investigations.
Deep understanding of CND policies, procedures, and regulations.
Expertise in TCP/IP and standard protocols including ICMP, HTTP/S, DNS, SSH, SMTP, SMB, and NFS.
Proficient in WiFi networking and network topologies (DMZs, WANs).
Familiar with Splunk or other SIEM tools.
Knowledge of MITRE ATT&CK framework and computer network defense principles.
Responsibilities
Assist the Government lead in preliminary incident response investigations.
Interface with the customer on site as needed.
Determine responses to detected anomalous network activity.
Assess network configurations for critical security vulnerabilities and provide best practices.
Collect network intrusion data (like PCAP and domains) to mitigate potential incidents.
Analyze malicious network activity to identify exploited weaknesses and methods.
Support real-time incident handling tasks such as forensic collections and threat analysis.
Benefits
Referral bonus program with potential payout up to $3,500 for successful candidate placements.
Opportunity to work with a Government client, enhancing experience in a secure environment.
Full Job Description
ARSIEM is looking for a Cyber Network Defense Analyst (CNDA) to use 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. This position will support one of our Government clients in Arlington, VA.
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
Minimum Qualifications
BS Computer Science, Cyber Security, Computer Engineering, or related degree; or HS Diploma & 7-9 years of network investigations experience.
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
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 with preserving evidence integrity according to standard operating procedures or national standards
Proficiency with virtualized environments
DoD 8140.01 IAT Level II, IASAE II, CSSP Analyst, GCIA, GCIH, CSSP Analyst/CSSP Incident Responder, CEH
SANS GIAC GNFA preferred
Clearance Requirement: This position requires an Active TS/SCI clearance and the ability to obtain Department of Homeland Security (DHS) Entry on Duty (EOD) Suitability.
Candidate Referral: Do you know someone who would be GREAT at this role? If you do, ARSIEM has a way for you to earn a bonus through our referral program for persons presenting NEW (not in our resume database) candidates who are successfully placed on one of our projects. The bonus for this position is $3,500, and the referrer is eligible to receive the sum for any applicant we place within 12 months of referral. The bonus is paid after the referred employee reaches 6 months of employment.
