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Triangle Cyber, LLC

Cybersecurity Incident Manager (Day Shift/Onsite)

Operations Live nowArlington, VA

Posted September 21, 2026

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Job facts

Company
Triangle Cyber, LLC
Location
Arlington, VA
Role area
Operations
Country
United States
Posted
September 21, 2026
Surfaced on AllRoles
October 22, 2026
Status
Live

About this role

Triangle Cyber is seeking a Cybersecurity Incident Manager (Day Shift/Onsite) to provide onsite incident management support for a large federal client. What You'll Do Perform Computer Network Defense (CND) incident triage to include determining scope, urgency, and potential impact Correlate incident data to identify specific trends in reported incidents Recommend defense-in-depth principles and practices (i.e., Defense in Multiple Places, layered defenses, security robustness, etc.) Research and compile known resolution steps or workarounds to enable mitigation of potential CND incidents within the enterprise Apply cybersecurity concepts to the detection and defense of intrusions into small and large-scale IT networks, and conduct cursory analysis of log data Monitor external data sources to maintain currency of CND threat conditions and determine which security issues may have an impact on the enterprise Required Must have an active Top Secret clearance Must have at least five (5+) years of directly relevant experience in cyber incident management or cybersecurity operations Must have a Bachelor of Science (or higher) in Computer Science, Cybersecurity, Information Technology, or a related degree, or a High School Diploma with at least four (4) years of hands-on incident management or cybersecurity experience Must reside within 60 miles of Arlington, VA, and be willing to work on-site, Monday through Friday (Day Shift). Must have knowledge of incident response and handling methodologies Must have knowledge of NIST 800-62 (latest revision), and FISMA standards as they pertain to reporting incidents Must have knowledge of the National Cyber Incident Scoring System to be able to prioritize triaging of incident Must have knowledge of general attack stages (e.g., footprinting and scanning, enumeration, gaining access, escalation of privileges, maintaining access, network exploitation, covering tracks, etc.) Must have skill in recognizing and categorizing types of vulnerabilities and associated attacks Must have knowledge of basic system administration and operating system hardening techniques, Computer Network Defense policies, procedures, and regulations Must have knowledge of different operational threat environments (e.g., first generation [script kiddies], second generation [non nation-state sponsored], and third generation [nation-state sponsored]) Must have knowledge of system and application security threats and vulnerabilities (e.g., buffer overflow, mobile code, cross-site scripting, PL/SQL and injections, race conditions, covert channel, replay, return- oriented attacks, and malicious code) Preferred Knowledge of different operational threat environments (e.g., first generation [script kiddies], second generation [non nation-state sponsored], and third generation [nation-state sponsored]) Knowledge of system and application security threats and vulnerabilities (e.g., buffer overflow, mobile code, cross-site scripting, PL/SQL and injections, race conditions, covert channel, replay, return- oriented attacks, and malicious code) GIAC – GIAC Certified Incident Handler (GCIH) GIAC – GIAC Certified Forensic Analyst (GCFA) GIAC – GIAC Information Security Professional (GISP) GIAC – GIAC Certified Enterprise Defender (GCED) (ISC)² – Certified Cyber Forensics Professional (CCFP) (retired) (ISC)² – Certified Information Systems Security Professional (CISSP)

Description provided by Triangle Cyber, LLC via its job board.

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