Network Based Systems Analyst IV
@ ARSIEMNetwork Based Systems Analyst IV
This job is still taking applications, but it's been up a while.
About the job
ARSIEM provides trusted cybersecurity support to US government agencies. The Network Forensics Cybersecurity Analyst IV role involves incident response, network analysis, and security guidance, supporting critical missions and collaboration.
Requirements
- 8+ years network investigations
- Knowledge of CND policies
- Experience with protocols (ICMP, HTTP, DNS)
- In-depth WiFi network experience
- Work collaboratively across locations
Qualifications
- BS in Cyber Security or related
- 10+ years investigation experience
- Understanding of network security
- Knowledge of SIEMs like Splunk
- Active TS/SCI clearance
Full 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
- Assists with the writing and publishing of Computer Network Defense guidance and reports on incident findings to appropriate constituencies
- 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
- 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
- Provide technical briefings as required
Minimum Qualifications
- BS Computer Science, Cyber Security, Computer Engineering, or related degree; or HS Diploma & 10+ years of network investigations experience.
- 8+ years of directly relevant experience in network investigations
- In-depth knowledge of CND policies, procedures, and regulations
- In-depth knowledge of standard protocols – ICMP, HTTP/S, DNS, SSH, SMTP, SMB, NFS, TCP/IP
- In-depth knowledge and experience of Wifi networking
- In-depth knowledge and experience of network topologies, DMZs, WANs, etc.
- Substantial knowledge of Splunk (or other SIEMs)
- 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
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