Incident Manager II

At ARSIEM Corporation we are committed to fostering a proven and trusted partnership with our government clients. Weprovide support to multiple agencies across the United States Government. ARSIEMhas 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.

• Perform initial triage and assessment of incoming cyber threat tickets, incident reports, and IOC submissions
• Analyze technical data including IP addresses, domain names, file hashes, network traffic patterns, and malware artifacts
• Determine threat severity, credibility, and potential impact to critical infrastructure sectors
• Enrich IOCs using threat intelligence platforms, open-source intelligence (OSINT), and government-exclusive resources
• Prepare concise triage reports with actionable recommendations for escalation or further analysis
• Route tickets to appropriate JCDC teams, CISA divisions, or interagency partners based on assessment findings
• Coordinate with sector-specific analysts and interagency liaisons to gather additional context
• Maintain accurate documentation in ticketing systems and knowledge management platforms
• Participate in shift handoffs and contribute to daily operational briefings
• Support development of triage playbooks and standard operating procedures
• Monitor emerging threat campaigns and trending adversary activity
• Provide feedback to submitters and partner organizations on ticket status and outcomes

• Bachelor’s degree in a technical discipline from an accredited college or university in Computer Science, Cybersecurity, Computer Engineering, or a related discipline; or a high school diploma and 4+ years of directly relevant technical experience.
• 2-4 years of progressive experience in threat intelligence, SOC operations, or cyber incident response
• Perform initial triage and assessment of incoming cyber threat tickets, incident reports, and IOC submissions
• Analyze technical data including IP addresses, domain names, file hashes, network traffic patterns, and malware artifacts
• Determine threat severity, credibility, and potential impact to critical infrastructure sectors
• Enrich IOCs using threat intelligence platforms, open-source intelligence (OSINT), and government-exclusive resources
• Prepare concise triage reports with actionable recommendations for escalation or further analysis
• Route tickets to appropriate JCDC teams, CISA divisions, or interagency partners based on assessment findings
• Coordinate with sector-specific analysts and interagency liaisons to gather additional context
• Maintain accurate documentation in ticketing systems and knowledge management platforms
• Participate in shift handoffs and contribute to daily operational briefings
• Support development of triage playbooks and standard operating procedures
• Monitor emerging threat campaigns and trending adversary activity
• Provide feedback to submitters and partner organizations on ticket status and outcomes
• Must be able to work collaboratively across physical locations

• Prior experience in federal government cybersecurity roles (CISA, FBI, NSA, DoD)
• Understanding the CISA NCISS National Cyber Incident Scoring System to be able to prioritize and triage incidents
• Knowledge of general attack stages (e.g., foot printing and scanning, enumeration, gaining access, escalation of privileges, maintaining access, network exploitation, covering tracks, etc.)
• Demonstrated experience with recognizing and categorizing types…