Full-Time

Incident Manager III

Posted on 9/15/2025

Arsiem Corporation

Arsiem Corporation

11-50 employees

IT consulting and cybersecurity for governments

No salary listed

Arlington, VA, USA

In Person

US Top Secret Clearance Required

Category
IT & Security (4)
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Requirements
  • BS Incident Management, Operations Management, Cybersecurity or related degree. HS Diploma with 7-9 incident management or cyber security experience
  • 5+ years of directly relevant experience in cyber incident management or cybersecurity operations
  • Knowledge of incident response, threat hunting, and handling methodologies
  • Ability to track multiple active engagements, personnel or equipment deployments, as well as coordinate with internal and external stakeholders.
  • Knowledge of the NCCIC National Cyber Incident Scoring System to be able to prioritize triaging of incident
  • Knowledge of general attack stages (e.g., foot printing and scanning, enumeration, gaining access, escalation of privileges, maintaining access, network exploitation, covering tracks, etc.)
  • Skill in recognizing threat actor campaigns, tactics, techniques, and procedures
  • Familiar with basic system and network administration, traffic analysis techniques, 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)
  • Excellent oral and written communication skills
  • Clearance Requirement: Active TS/SCI clearance and the ability to obtain Department of Homeland Security (DHS) Entry on Duty (EOD) Suitability.
Responsibilities
  • Supporting the management of cyber incidents through the incident response lifecycle.
  • Creating and maintaining routine reporting of cyber incidents in official systems of record, to include case management systems and ticketing.
  • Coordinating with internal and external customers, partners, and stakeholders.
  • Ingesting, validating, and evaluating information to determine optimal courses of action, to include providing response support to requesting entities.
  • Updating and tracking cases and tickets with accuracy, timeliness, reliability, and consistency.
  • Drafting summaries of ongoing operations and be able to provide oral presentations for various levels of leadership.
  • Maintaining knowledge objects in system of record consistently and professionally.
  • Threat and vulnerability management to recognize and categorize types of vulnerabilities, threat actors, and different operational threat environments, and associated attacks (MITRE ATT&CK framework).
  • Knowledgeable of network security monitoring and/or security operations analysis, system administration, operating system hardening, cyber hygiene techniques, and cybersecurity defense policies, procedures, and regulations.
Desired Qualifications
  • Familiarity with different operational threat environments (e.g., first generation [script kiddies], second generation [non nation-state sponsored], and third generation [nation-state sponsored])
  • Familiarity with of system and application security threats and attack methods (e.g., buffer overflow, mobile code, cross-site scripting, PL/SQL and injections, race conditions, covert channel, replay, return-oriented attacks, and malicious code)
  • Desired Certifications: GCIH

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

N/A

Total Funding

N/A

Headquarters

Baltimore, Maryland

Founded

2013

Growth & Insights

Headcount

6 month growth

0%

1 year growth

0%

2 year growth

0%
INACTIVE