More jobs:
Incident Responder, Journeyman
Job in
Herndon, Fairfax County, Virginia, 22070, USA
Listed on 2026-06-13
Listing for:
Peraton
Full Time
position Listed on 2026-06-13
Job specializations:
-
IT/Tech
Cybersecurity, IT Support
Job Description & How to Apply Below
About The Role
We are seeking a highly skilled and innovative Incident Responder to join our team in the greater DMV area, supporting the Army National Guard.
Responsibilities- Triage alerts, analyze SIEM, EDR, network telemetry, and application logs to identify indicators of compromise and suspected security incidents.
- Execute containment actions per playbooks: isolate hosts, disable accounts, block network traffic, and implement temporary mitigations.
- Collect, preserve, and document forensic artifacts, system logs, and evidence for escalation and deeper analysis.
- Investigate incidents: perform root‑cause analysis, validate detections, and track remediation progress through case records.
- Coordinate response activities with SOC analysts, CIRT teams, network operations, cybersecurity engineers, and stakeholders.
- Validate remediation steps, retest affected systems, and confirm eradication of threats prior to closure.
- Maintain incident timelines, produce technical updates and incident summaries, and support after‑action reviews.
- Identify recurring patterns, visibility gaps, and detection shortfalls; recommend improvements to monitoring and detection coverage.
- Contribute to playbook refinement, evidence‑collection procedures, and adoption of new response techniques and tooling.
- 2 years with BS/BA; 0 years with MS/MA; 6 years with no degree
- Clearance:
Active TS/SCI clearance. - Candidate must meet ONE of the following:
- Bachelor's degree in Computer Science, Cybersecurity, Data Science, Information Systems, Information Technology, or Software Engineering;
- Relevant DoD/military training (examples: A‑531‑0451;
Cyber Defense Incident Responder (Intermediate) Playlist); - Relevant professional certification or equivalent experience (examples: CEH(P), ECIH, GRID, RCCE Level 1, CBROPS, CCSP, CEH, Cloud+, FITSP‑O, GCED, GCIH, GSEC, Pen Test+, Security+).
- Required experience and skills:
- Incident response, SOC analyst, or cybersecurity operations experience.
- Hands‑on experience with EDR, SIEM, packet/network analysis, log forensics, and incident case management workflows.
- Ability to perform containment actions, forensic collection, evidence handling, and root‑cause analysis per established procedures.
- Familiarity with RMF/ATO evidence practices, chain‑of‑custody, and documentation for audits.
- Strong written communication for incident notes, timelines, technical reports, and briefing support.
- Desired:
- Prior DoD/ARNG or classified‑environment incident response experience.
- Experience with SOAR playbooks, forensic tools (memory/disk analysis), and scripting for automation (Python, Power Shell).
- Familiarity with threat‑hunting methodologies, MITRE ATT&CK mapping, and integration with detection engineering workflows.
Target Salary Range: $66,000 - $106,000.
Benefits include medical, dental, vision, life, health savings account, short/long term disability, EAP, parental leave, 401(k), paid time off (PTO) for vacation, and company paid holidays. A full listing of available benefits can be viewed at
EEOEqual opportunity employer, including disability and protected veterans, or other characteristics protected by law.
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