About ARSIEM Corporation

　　At ARSIEM Corporation we are committed to fostering a proven and trusted partnership with our government clients. We provide support to multiple agencies across the United States Government. ARSIEM has an experienced workforce of qualified professionals committed to providing the best possible support.

　　As demand increases, ARSIEM continues to provide reliable and cutting-edge technical solutions at the best value to our clients. That means a career packed with opportunities to grow and the ability to have an impact on every client you work with.

　　ARSIEM is looking for a Cyber Network Defense Analyst 3 . This position is on-site to support one of our Government clients in Arlington, VA.

　　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 action 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, URIs, 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 analyzes 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

　　Minimum Qualifications

　　BS Computer Science, Cyber Security, Computer Engineering, or related degree; or HS Diploma & 7-9 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 Wifi networking

　　In-depth knowledge and experience of network topologies DMZ, WANs, 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

　　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 in 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.

　　Candidate Referral: Do you know someone who would be GREAT at this role? If you do, ARSIEM has a way for you to earn a bonus through our referral program for persons presenting NEW (not in our resume database) candidates who are successfully placed on one of our projects. The bonus for this position is 5,000, and the referrer is eligible to receive the sum for any applicant we place within 12 months of referral. The bonus is paid after the referred employee reaches 6 months of employment.

　　ARSIEM is proud to be an Equal Opportunity and Affirmative 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.