{"id":2457370,"url":"https://alion.io/job/solutions3llc-network-based-systems-analyst-iv-solutions-llc","title":"Network Based Systems Analyst IV - Solutions³ LLC","company":{"id":4419220,"name":"solutions3llc","domain":"solutions3llc.com","url":"https://alion.io/company/solutions3llc","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"JazzHR","truth_index":null},"role":"Analytics","role_family":"Analytics","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Arlington, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":84000,"max_usd":162000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":1559},"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Defense in Depth","optional":false},{"name":"DNS","optional":false},{"name":"MITRE ATT&CK","optional":false},{"name":"SIEM","optional":false},{"name":"Splunk","optional":false},{"name":"TCP/IP","optional":false},{"name":"Wi-Fi","optional":false},{"name":"Wireshark","optional":true}],"status":"live","first_seen_at":"2026-10-13T16:26:55Z","employer_posted_date":"2026-10-13","last_verified_at":"2026-10-13T16:26:55Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Title:Network Based Systems Analyst IV\nDescription:\nSolutions³ LLC is supporting our prime contractor and their U.S. Government customer on a large mission critical development and sustainment programfor 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.\nSolutions³ LLC is seeking a Network Based Systems Analyst IV to support this critical mission by providing front line response for digital forensics/incident response (DFIR) and proactively hunting for malicious cyber activity.\nEligibility:\nMust be a US Citizen\nMust have an activeTS/SCI clearance \nMust be able to obtain DHS Suitability prior to starting employment \n8+ years of directly relevant experience in network investigations \nResponsibilities Include: Assists the Government lead in coordinating teams in preliminary incident response investigations\nAssists the Government lead with interfacing with the customer while on site\nDetermines appropriate courses of actions in response to identified and analyses anomalous network activity\nAssesses network topology and device configurations identifying critical security concerns and providing security best practice recommendations\nAssists with the writing and publishing of Computer Network Defense guidance and reports on incident findings to appropriate constituencies\nCollects network intrusion artifacts (e.g., PCAP, domains, URI’s, certificates, etc.) and uses discovered data to enable mitigation of potential Computer Network Defense incidents\nAnalyzes identified malicious network activity to determine weaknesses exploited, exploitation methods, effects on system and information\nProvide technical briefings as required \nAssists 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 \nRequired Skills: In depth knowledge of CND policies, procedures and regulations\nIn depth knowledge of standard protocols - ICMP, HTTP/S, DNS, SSH, SMTP, SMB, NFS, TCP/IP \nIn depth knowledge and experience of Wifi networking \nIn depth knowledge and experience of network topologies - DMZ’s, WAN’s, etc.\nSubstantial knowledge of Splunk (or other SIEM’s)\nUnderstanding of MITRE Adversary Tactics, Techniques and Common Knowledge (ATT&CK)\nKnowledge of Computer Network Defense policies, procedures, and regulations\nKnowledge of defense-in-depth principles and general attack stages with respect to network security architecture\nAbility to characterize and analyze network traffic to identify anomalous activity and potential threats to network resources\nAbility to identify and analyze anomalies in network traffic using metadata\nExperience with reconstructing a malicious attack or activity based on network traffic\nExperience examining network topologies to understand data flows through the network\nMust be able to work collaboratively across physical locations \nDesired Skills: Substantial knowledge of network device integrity concepts and methodologies\nProficiency with network analysis software (e.g. Wireshark) \nProficiency with carving and extracting information from PCAP data \nProficiency with non-traditional network traffic (e.g. Command and Control) \nProficiency with preserving evidence integrity according to standard operating procedures or national standards\nProficiency with virtualized environments \nDesired Certifications: DoD 8140.01 IAT Level II, IASAE II, CSSP Analyst, GCIA, GCIH, CSSP Analyst/CSSP Incident Responder, CEH\nSANS GIAC GNFA preferred\nRequired Education: BS Computer Science, Cyber Security, Computer Engineering, or related degree; 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