Network Based Systems Analyst IV

ARSIEM Corporation; Arlington (VA); On-site; USD 80,000 - 110,000; Full time

Job summary

ARSIEM Corporation, based in Arlington, VA, is looking for a professional to assist in incident response and network investigations. The role demands at least 8 years of relevant experience along with a degree in Computer Science or significant experience. The candidate must possess in-depth knowledge of CND policies, standard protocols, and network topologies, as well as the ability to analyze network traffic for anomalies. An Active TS/SCI clearance is required for this position. Join ARSIEM, an equal opportunity employer, for a dynamic career opportunity.

Qualifications

• 8+ years of directly relevant experience in network investigations.
• In-depth knowledge of CND policies, procedures, and regulations.
• Ability to characterize and analyze network traffic to identify anomalous activity.

Responsibilities

• Assist in coordinating teams for incident response investigations.
• Analyze malicious network activity and determine weaknesses exploited.
• Provide technical briefings as required.

Skills

Network investigations experience

Knowledge of CND policies

Knowledge of standard protocols (ICMP, HTTP/S, DNS, etc.)

Knowledge of Wifi networking

Knowledge of network topologies

Experience with Splunk or other SIEMs

Ability to analyze network traffic

Collaborative work across physical locations

Education

BS in Computer Science or related field

HS Diploma & 10+ years of network investigations experience

Tools

Wireshark

Job description

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, 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)
• 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.