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Arsiem

IT consulting and cybersecurity for governments

Incident Manager 1

Full-TimePosted on 10/17/2026
No salary listed
Junior
Bachelor's
Arlington County, Arlington, VA, USA
In Person
CybersecuritySecurity Operations & Incident Response
No H1B Sponsorship
US Top Secret Clearance Required

About the job

Requirements
  • A Bachelor of Science degree in Incident Management, Operations Management, or Cybersecurity, or a high school diploma with 3 years of incident management or cybersecurity experience.
  • At least 1 year of directly relevant experience in cyber incident management or cybersecurity operations.
  • Knowledge of incident response and handling methodologies.
  • Close familiarity with NIST 800-62 (latest revision) and FISMA standards as they pertain to reporting incidents.
  • Knowledge of the NCCIC National Cyber Incident Scoring System to prioritize incident triage.
  • Knowledge of general attack stages, including footprinting and scanning, enumeration, gaining access, privilege escalation, maintaining access, network exploitation, and covering tracks.
  • Skill in recognizing and categorizing types of vulnerabilities and associated attacks.
  • Knowledge of basic system administration and operating system hardening techniques, Computer Network Defense policies, procedures, and regulations.
  • Knowledge of different operational threat environments, including first-generation script kiddies, second-generation non-nation-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 channel, replay, return-oriented attacks, and malicious code.
  • An active TS/SCI clearance and the ability to obtain Department of Homeland Security Entry on Duty suitability.
Responsibilities
  • Correlate incident data to identify specific trends in reported incidents.
  • Recommend defense-in-depth principles and practices, including defense in multiple places, layered defenses, and security robustness.
  • Perform Computer Network Defense incident triage, including determining scope, urgency, and potential impact.
  • Research and compile known resolution steps or workarounds to enable mitigation of potential Computer Network Defense incidents within the enterprise.
  • Apply cybersecurity concepts to the detection and defense of intrusions into small- and large-scale IT networks, and conduct cursory analysis of log data.
  • Monitor external data sources to maintain currency of Computer Network Defense threat conditions and determine which security issues may affect the enterprise.
  • Identify the cause of an incident and recognize key information to request from external entities about an incident's background and potential infection vector.
  • Receive and analyze network alerts from various sources within the enterprise and determine possible causes.
  • Track and document Computer Network Defense incidents from initial detection through final resolution, and coordinate information about ongoing incidents with other organizational components.
  • Provide support during assigned shifts.
Desired Qualifications
  • Knowledge of different operational threat environments, including first-generation script kiddies, second-generation non-nation-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 channel, replay, return-oriented attacks, and malicious code.
  • Desired certifications include GCIH, GCFA, GISP, GCED, CCFP, or CISSP.

About the company

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

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