Incident Manager III

ARSIEM Corporation; Arlington (VA); On-site; USD 140,000 - 180,000; Full time

Benefits offered by this job

Referral bonus

Job summary

ARSIEM Corporation in Arlington, VA seeks a Senior JCDC Cyber Triage Analyst to serve as a technical SME in triage and threat assessments. You will mentor analysts, coordinate with interagency partners, and deliver high-quality intelligence to inform national cyber defense priorities.

The role requires deep malware analysis, MITRE ATT&CK expertise, and experience working with federal agencies. Active TS/SCI clearance is required; location is Arlington, VA.

Qualifications

• Bachelor’s degree in a technical field or HS Diploma + 7+ years of experience; Master’s preferred.
• 5-7 years in threat intel, SOC ops, or cyber incident response.
• Expertise in malware analysis and threat attribution.
• Proficient with threat intel platforms, SIEMs, and analytic methods.
• Deep MITRE ATT&CK knowledge and intelligence-driven defense.
• Experience coordinating with federal agencies and stakeholders.
• Understanding of critical infrastructure threats and interdependencies.
• Strong analytical writing and ability to briefing leadership.
• Ability to collaborate across physical locations.

Responsibilities

• Conduct advanced triage and analysis of high-severity threat intel and IOC packs.
• Serve as escalation point for complex assessments needing deep expertise.
• Enrich IOC data with classified and unclassified sources.
• Coordinate with FBI, NSA, USCYBERCOM and interagency partners.
• Mentor mid-level and junior triage analysts.
• Develop analytics playbooks and decision matrices.
• Lead projects to improve triage processes and automation.
• Draft threat assessments and briefs for leadership and partners.
• Represent triage in interagency work groups and info-sharing forums.
• Identify patterns to detect campaigns and actor activity.
• Provide quality reviews of analyst products and feedback.
• Support after-hours on-call for critical incidents.
• Assist in strategic planning for JCDC capability development.
• Interface with critical infra partners on threat concerns.

Skills

Threat intelligence

SOC operations

Cyber incident response

Malware analysis

MITRE ATT&CK

Interagency coordination

Analytical writing

Briefing leadership

Team mentoring

Education

Bachelor’s degree in Computer Science / Cybersecurity / Computer Engineering

HS Diploma + 7+ years experience

Master’s degree preferred

Tools

Threat intelligence platforms

SIEM tools

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.

ARSIEM is seeking a Senior JCDC Cyber Triage Analyst to serve as a technical subject-matter expert within the JCDC triage function, handling complex threat-intelligence assessments, mentoring junior analysts, and serving as a technical liaison to interagency partners. This role combines advanced technical analysis capabilities with strategic thinking and partnership coordination, ensuring high-quality threat assessments inform national cyber defense priorities. This position will support one of our Government clients in Arlington, VA.

Responsibilities

• Conduct advanced triage and analysis of complex, high-severity cyber threat intelligence and IOC packages
• Serve as technical escalation point for challenging or ambiguous threat assessments requiring deep expertise
• Perform sophisticated IOC enrichment using classified and unclassified intelligence sources
• Coordinate directly with FBI, NSA, USCYBERCOM, and other interagency partners on joint threat assessments
• Provide technical mentorship and training to mid-level and junior triage analysts
• Develop and refine analytical tradecraft, triage playbooks, and decision matrices
• Lead special projects to enhance triage processes, automation, and threat detection capabilities
• Author detailed threat assessments and intelligence briefs for JCDC leadership and partner organizations
• Represent the triage team in interagency working groups and information-sharing forums
• Identify patterns across multiple threat reports to detect emerging campaigns or threat actor activity
• Conduct quality review of analyst products and provide constructive feedback
• Support after-hours on-call rotation for critical incidents requiring senior-level triage assessment
• Contribute to strategic planning for JCDC operational capability development
• Interface with critical infrastructure sector partners to understand threat concerns and provide tailored analysis

Minimum Qualifications

• Bachelor’s degree in a technical discipline from an accredited college or university in Computer Science, Cybersecurity, Computer Engineering, or related discipline; or HS Diploma & 7+ years of directly relevant technical experience. Master’s degree is preferred.
• 5-7 years of progressive experience in threat intelligence, SOC operations, or cyber incident response
• Demonstrated expertise in malware analysis, threat actor attribution, and cyber campaign analysis
• Advanced proficiency with threat intelligence platforms, SIEM tools, and analytical frameworks
• Deep knowledge of MITRE ATT&CK framework and intelligence-driven cyber defense concepts
• Proven track record coordinating with federal agencies and managing complex stakeholder relationships
• Strong understanding of critical infrastructure interdependencies and sector-specific threats
• Exceptional analytical writing skills with ability to communicate complex technical findings to diverse audiences
• Experience briefing technical and non-technical audiences, including senior leadership
• Must be able to work collaboratively across physical locations

Preferred Qualifications

• Prior experience in federal government cybersecurity roles (CISA, FBI, NSA, DoD)
• Experience with the CISA NCISS National Cyber Incident Scoring System 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)
• Published threat intelligence research or contributions to the open-source security community
• Experience with threat hunting and proactive threat detection methodologies
• Knowledge of foreign adversary cyber capabilities and geopolitical threat landscape
• Familiarity with the Privacy Act and information handling requirements for government operations
• CISSP, GCTI, GCFA, GREM, or similar advanced 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 affirm 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.