Network Based System Analyst

Title: Network Based Systems Analyst - II - NBA02

Description:

Our client is supporting their prime contractor and their U.S. Government customer for on and offsite incident response to Government agencies and critical infrastructure owners who experience cyber-attacks. They are providing 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.

they are seeking an experienced and technically proficient Network Based Systems Analyst - II - NBA02 to support the design, development, and deployment of advanced cybersecurity capabilities.

Eligibility:

Must be a US Citizen

Must have an active TS/SCI clearance

Must be able to obtain DHS Suitability prior to starting employment

2+ years of directly relevant experience in network investigations

Responsibilities Include:

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

Required Skills:

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 designing cyber security systems and environments in a Linux and/or Windows environment

Proficiency with virtualized environments

Desired Certifications: -DoD 8140.01 IAT Level II, IASAE II, CSSP Analyst; DoD 8140.01 GCIA, GCIH, CSSP Analyst/CSSP Incident Responder; DoD 8140.01 CEH, CSSP Analyst; SANS GIAC GNFA preferred

Required Education: BS Computer Science, Cyber Security, Computer Engineering, or related degree; or HS Diploma & 4+ years of network investigations experience.