Network Based Systems Analyst

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 Network Forensics Cybersecurity Analyst. This position will 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 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
• 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, HTTP/S, 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)