Network Based Systems Analyst IV

ARSIEM Corporation is a government partner delivering technical solutions to U.S. agencies. 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 Assess 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, 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 Clearance Requirement This position requires an Active TS/SCI clearance and the ability to obtain Department of Homeland Security (DHS) Entry on Duty (EOD) Suitability. ARSIEM is proud to be an Equal Opportunity and Affiliation Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age, or any other federally protected class. #J-18808-Ljbffr ARSIEM Corporation