Incident Manager II

ARSIEM Corporation; Arlington (VA); On-site; USD 90,000 - 140,000; Full time

Benefits offered by this job

Referral program

Equal Opportunity Employer

Job summary

ARSIEM Corporation in Arlington is seeking a cybersecurity threat analyst to triage and assess threat tickets, analyze indicators, and enrich IOCs using government resources. You will prepare actionable triage reports and coordinate with interagency partners to determine threat severity and potential impact on critical infrastructure.

The role requires 2–4 years in threat intelligence or SOC operations, a technical degree or equivalent experience, and the ability to work across multiple physical

Qualifications

• Bachelor’s degree in Computer Science, Cybersecurity, Computer Engineering, or 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, 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.

Responsibilities

• 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, 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.

Education

Bachelor’s degree in Computer Science, Cybersecurity, Computer Engineering, or related discipline

4+ years of directly relevant technical experience (high school diploma path)

2-4 years in threat intelligence, SOC operations, or cyber incident response

Initial triage and assessment of cyber threat tickets, incidents, IOC submissions

Analysis of IPs, domains, file hashes, network traffic, malware artifacts

Enrich IOCs using threat intel platforms, OSINT, and government resources

Prepare triage reports with actionable escalation recommendations

Route tickets to JCDC teams, CISA divisions, or interagency partners

Coordinate with sector analysts and interagency liaisons

Maintain documentation in ticketing systems and knowledge bases

Participate in shift handoffs and daily briefings

Develop triage playbooks and SOPs

Monitor emerging threat campaigns and adversary activity

Provide feedback to submitters and partner organizations on ticket status

Must be able to work collaboratively across physical locations

Tools

SIEM platforms

Threat intelligence platforms

Ticketing systems

Job description

About ARSIEM Corporation

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.

Responsibilities

• 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

Minimum Qualifications

• 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

Preferred Qualifications

• 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 of vulnerabilities and associated attacks
• Knowledge of Computer Network Defense policies, procedures, and regulations
• 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)
• Experience with SIEM platforms, threat intelligence platforms (TIP), and ticketing systems
• Knowledge of critical infrastructure sectors and associated cyber risks
• Familiarity with DHS/CISA products and services
• Security+, CySA+, GCIH, GCIA , or similar certifications

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.

Candidate Referral

Do you know someone who would be GREAT at this role? If you do, ARSIEM has a way for you to earn a bonus through our referral program for persons presenting NEW (not in our resume database) candidates who are successfully placed on one of our projects. The bonus for this position is $3,500, and the referrer is eligible to receive the sum for any applicant we place within 12 months of referral. The bonus is paid after the referred employee reaches 6 months of employment.

ARSIEM is proud to be an Equal Opportunity and Affirmative 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.