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Arsiem

IT consulting and cybersecurity for governments

Incident Manager 3

Security Operations & Incident ResponseConfirmed live in the last 24 hours
Full-timeArlington County, Arlington, VA, USANo salary listed

About the Job

Requirements

  • A 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 7+ years of directly relevant technical experience.
  • 5-7 years of progressive experience in threat intelligence, security operations center operations, or cyber incident response.
  • Demonstrated expertise in malware analysis, threat actor attribution, and cyber campaign analysis.
  • Advanced proficiency with threat intelligence platforms, security information and event management tools, and analytical frameworks.
  • Deep knowledge of the MITRE ATT&CK framework and intelligence-driven cyber defense concepts.
  • A 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 and the ability to communicate complex technical findings to diverse audiences.
  • Experience briefing technical and non-technical audiences, including senior leadership.
  • Ability to work collaboratively across physical locations.
  • An active TS/SCI clearance and the ability to obtain Department of Homeland Security Entry on Duty suitability.

Responsibilities

  • Conduct advanced triage and analysis of complex, high-severity cyber threat intelligence and indicator-of-compromise packages.
  • Serve as the technical escalation point for challenging or ambiguous threat assessments requiring deep expertise.
  • Perform indicator-of-compromise enrichment using classified and unclassified intelligence sources.
  • Coordinate directly with the 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 reviews of analyst products and provide constructive feedback.
  • Support an 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.

Desired Qualifications

  • Prior experience in federal government cybersecurity roles, such as CISA, FBI, NSA, or DoD.
  • Experience with the CISA National Cyber Incident Scoring System to prioritize and triage incidents.
  • Knowledge of general attack stages, including footprinting and scanning, enumeration, gaining access, privilege escalation, maintaining access, network exploitation, and covering tracks.
  • Demonstrated experience recognizing and categorizing types of vulnerabilities and associated attacks.
  • Knowledge of Computer Network Defense policies, procedures, and regulations.
  • Knowledge of different operational threat environments, including first-generation script kiddies, second-generation non-state-sponsored actors, and third-generation nation-state-sponsored actors.
  • Knowledge of system and application security threats and vulnerabilities, including buffer overflow, mobile code, cross-site scripting, PL/SQL and injections, race conditions, covert channels, 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 the geopolitical threat landscape.
  • Familiarity with the Privacy Act and information-handling requirements for government operations.
  • CISSP, GCTI, GCFA, GREM, or similar advanced certifications.
  • A master's degree.

About the Company

Arsiem

IT consulting and cybersecurity for governments

ARSIEM Corporation provides advanced IT consulting services, specializing in multiple areas including cybersecurity, enterprise architecture and development, and applications development, predominantly for government clients. The firm is distinguished by its deep commitment to cybersecurity and robust IT solutions that ensure enhanced protection and efficient digital infrastructures. This commitment to leveraging cutting-edge technologies in specialized areas of IT makes ARSIEM Corporation an excellent workplace for professionals aiming to actively contribute to significant, high-impact projects within the government sector.

Company size
11-50
Company stage
Not listed
Total funding
Not listed
Headquarters
Baltimore, Maryland
Founded
2013

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