
Open since Aug 2026
Network Based Systems Analyst IISolutions³ · Arlington
Network Based Systems Analyst II
ArlingtonOn-siteFull-time
AI Summary
Investigates network intrusions and anomalous traffic during on-site incident response for government and critical infrastructure clients, characterizing breach severity and recommending remediation. Requires TS/SCI clearance and US citizenship.
About this role
Title: Network Based Systems Analyst II
Description:
Solutions³ LLC is supporting our prime contractor and their U.S. Government customer on a large mission critical development and sustainment program for on and offsite incident response to Government agencies and critical infrastructure owners who experience cyber-attacks. Solutions³ LLC provides advanced technical assistance, proactive hunting, rapid onsite incident response, and immediate investigation, using host and network-based cybersecurity analysis capabilities.
Solutions³ LLC is seeking a Network Forensics Cybersecurity Analysts to support this critical mission by performing investigations to characterize the level of severity of breaches and developing mitigation/remediation plans.
Eligibility:
Description:
Solutions³ LLC is supporting our prime contractor and their U.S. Government customer on a large mission critical development and sustainment program for on and offsite incident response to Government agencies and critical infrastructure owners who experience cyber-attacks. Solutions³ LLC provides advanced technical assistance, proactive hunting, rapid onsite incident response, and immediate investigation, using host and network-based cybersecurity analysis capabilities.
Solutions³ LLC is seeking a Network Forensics Cybersecurity Analysts to support this critical mission by performing investigations to characterize the level of severity of breaches and developing mitigation/remediation plans.
Eligibility:
- Must be a US Citizen
- Must have an active TS/SCI clearance
- Must be able to obtain DHS Suitability prior to starting employment
- 2+ years of directly relevant experience in network investigations
- 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
- 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’s, WAN’s, 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
- Python programming experience
- Strong math and science background
- Experience with Carnegie Mellon SiLK tool suite
- One or more of the following professional certifications: GNFA, GCIH, GCIA, GSEC, CASP+, CySA+, PaLMS, FedVTE
- GSEC (SANS401), Arcsight (or other SEIM solution), Network+, Security+
Skills
ArcSightComputer Network DefenseCySA+Defense-in-depthGCIAGCIHGNFAGSECIntrusion AnalysisMITRE ATT&CKNetwork TopologyPCAP AnalysisPythonSecurity+SiLKSplunkTCP/IPWi-Fi Networking
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