Senior Cyber Triage Analyst (TS/SCI) | Incident Lead

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

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.