Immediate fulltime openings for Cyber Network Defense Analysts (CNDA) with an active Top Secret clearance to support a critical DHS customer mission. This opportunity provides onsite advanced Cyber Defense, rapid incident response, and immediate investigation and resolution using host-based, network-based, and cloud-based cybersecurity analysis capabilities. Team personnel provide front line response for digital forensics/incident response (DFIR) and proactively hunting for malicious cyber activity.

This is a HYBRID position and it is expected they will need to be onsite 2-3 days with a 2-hour onsite reporting requirement after hours as needed. The onsite requirement is set by the customer based on mission requirements.

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

Required Skills

- Must be US Citizen due to government requirement.
- Must have an active TS/SCI clearance.
- Must be able to obtain DHS Suitability.
- BS Computer Science, Cyber Security, Computer Engineering, or related degree and 5+ years of network investigations; OR HS Diploma & 7+ 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 Wi-Fi 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)
- 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 Certifications
- DoD 8140.01 IAT Level II, IASAE II, CSSP Analyst, GCIA, GCIH, CSSP Analyst/CSSP Incident Responder