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Peraton

Runs and secures technology for federal agencies

Senior Incident Handler

Security Operations & Incident ResponseConfirmed live in the last 24 hours
Full-timeFort Huachuca, Sierra Vista, AZ, USAIn-person

About the Job

Requirements

  • At least five years of experience with a bachelor's degree, seven years with an associate degree, three years with a master's degree, or nine years with no degree.
  • Must hold DoD 8140 DCWF 531 Advanced certification before the start date.
  • Must be able to obtain a DoD TS/SCI clearance; the candidate cannot start without the clearance. An active DoD TS/SCI clearance is preferred.
  • Experience with the ServiceNow Security Operations module for incident tracking and service-level agreement management.
  • Proficiency with Elastic Stack for SIEM-based alert triage, event correlation, and incident timeline reconstruction.
  • Working knowledge of NIST SP 800-61 Rev. 3 Computer Security Incident Handling Guide and DoD/Army incident response policy frameworks.
  • Experience developing and exercising incident response playbooks for common cyber-attack scenarios in a DoD environment.
  • Familiarity with digital forensics tools and techniques for evidence collection, chain of custody, and artifact analysis.
  • Experience operating in a 24/7 CSSP or SOC environment supporting classified Army or DoW networks.

Responsibilities

  • Manage the full cyber incident lifecycle, from initial detection and triage through containment, eradication, recovery, and post-incident review, in accordance with NIST SP 800-61 Rev. 3 and Army incident response procedures.
  • Coordinate incident response with internal GCC teams, supported unit commanders, NETCOM, and ARCYBER; serve as the primary point of contact for incident status updates and ensure timely, accurate communication.
  • Produce comprehensive analysis reports documenting the timeline, scope, impact, root cause, and remediation actions for each cyber incident.
  • Maintain accurate incident tracking records, including case data, evidence artifacts, analyst notes, and closure documentation that meet GCC quality and audit standards.
  • Conduct post-incident reviews and lessons-learned sessions after significant cyber events, identify process gaps, detection failures, and response inefficiencies, and translate findings into actionable improvements for the GCC CSSP.
  • Provide technical mentorship to associate-level staff and perform quality assurance reviews of team output.
  • Develop, maintain, and exercise incident response playbooks for common attack scenarios, including ransomware, phishing, credential theft, and insider threat, keeping procedures current with the threat landscape, Army policy requirements, and mission needs.

Desired Qualifications

  • An active DoD TS/SCI clearance.

About the Company

Peraton

Runs and secures technology for federal agencies

Peraton builds and runs secure technology for American defense, intelligence, space, and civilian agencies, from military networks to satellite ground stations. In 2025, the Federal Aviation Administration chose it to manage the overhaul of the nation's air traffic control system, replacing copper wiring with fiber and upgrading radar and radios. Its engineers, many holding security clearances, run and defend agency networks and data centers, write mission software, and operate space and communications systems, and agencies pay for this work through multiyear contracts. Peraton was formed in 2017, when private-equity firm Veritas Capital bought Harris Corporation's government IT business, and is based in Reston, Virginia.

Company size
10,001+
Company stage
Grant
Total funding
$60M
Headquarters
Reston, VA
Founded
2017

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