Solutions³ LLC is supporting a U.S. Government customer by providing remote and onsite advanced technical assistance, proactive hunting, rapid onsite incident response, and immediate investigation and resolution using host-based, network-based and cloud-based cybersecurity analysis capabilities.
To support this critical mission, Solutions³ LLC is seeking a Cyber Network Defense Analyst (CNDA) to provide front line response for digital forensics/incident response (DFIR) and proactively hunting for malicious cyber activity. 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.
As part of the customer’s broader consolidation and modernization vision, this role contributes directly to the establishment of team dedicated to maintaining a Cyber Threat Intelligence Database. This role will also contribute to the creation, maintenance, and expansion of such a system across multiple domains. This position plays a key role in enhancing cybersecurity posture, improving operational efficiency, and working with key external partners to support a highly complex Threat Intelligence platform.
Must be able to obtain DHS Suitability prior tostarting employment
5+ 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
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 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
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 virtualized environments.
Desired Certifications:
DoD 8140.01 IAT Level II, IASAE II, CSSP Analyst, GCIA, GCIH, CSSP Analyst/CSSP Incident Responder, CEH
SANS GIAC GNFA preferred
Required Education: Bachelor’s degree in Computer Science, Cyber Security, Computer Engineering, or related degree; or High School Diploma and 7+ years of network investigations experience.