Network Forensic Analyst III

1 week ago

Arlington, Virginia, United States Ampcus Incorporated Full time
Network Forensic Analyst

Multi Year Salaried Contract

2-3 Weeks of Training in Arlington, VA

Consultants living within 50 miles of Arlington, VA will need to be onsite 1 time per week

Hybrid (2-3) days onsite for consultants living closer than 50 miles to Arlington, VA

Must have ACTIVE TS Clearance

The Client's Hunt and Incident Response Team (HIRT) secures the nation's infrastructure. HIRT provides Client's front-line response for cyber incidents and proactive hunting for malicious cyber activity. The Client . provides support for on and offsite incident response to Government agencies and critical infrastructure owners who experience cyber-attacks.

The Client provides HIRT advanced technical assistance, proactive hunting, rapid onsite incident response, and immediate investigation, using host and network-based cybersecurity analysis capabilities.

Personnel perform investigations to characterize the level of severity of breaches and develop mitigation/remediation plans.

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

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

Assist with developing analytic solutions for mapping network traffic back to Threat TTPs

Provide input to the Government lead in developing processes, standards, WI's, or SOPs

Required Skills:
U.S. Citizenship

Must have an active TS/SCI clearance

Must be able to obtain Client 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 (Telecommunication&CK)

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 travel domestically on short notice

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)

Knowledge of ICS/OT protocols

Substantial knowledge of Arkime

Experience with network sensors (e.g., Corelight, Cisco FMC, Suricata)

Required Education:


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


Desired Certifications:

  • DoD IAT Level II, IASAE II, CSSP Analyst, GCIA, GCIH, CSSP Analyst/CSSP Incident Responder
Please send your resume to (url removed)

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