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  1. Opportunities
  2. Principal Cybersecurity Systems Engineer

Principal Cybersecurity Systems Engineer

Leidos

Full-timeIn person

Posted

Nov 12, 2026

Closes

Feb 10, 2027

Job Description

Principal Cybersecurity Systems Engineer

Skills & Competencies

Skills relevant to this opportunity

  • Enterprise penetration testing programs — independently design and lead comprehensive red-team exercises across complex multi-cloud and on-premise infrastructures, producing executive and technical findings.
  • Security monitoring architecture — autonomously evaluate and tune SIEM rules, IDS signatures, and alert thresholds to ensure accurate detection across high-volume enterprise networks.
  • Advanced breach investigations — lead forensic examination of sophisticated security incidents, reconstructing attack timelines, quantifying damage, and coordinating evidence preservation for legal proceedings.
  • Security software development — architect and implement custom security tooling, scripts, and automation pipelines that integrate with existing DevSecOps workflows to enforce continuous compliance.
  • Response and recovery frameworks — design organization-wide incident response plans covering containment, eradication, and business-continuity restoration for diverse threat scenarios.
  • Security control effectiveness analysis — apply systems evaluation techniques to assess end-to-end control performance, identifying systemic gaps and driving targeted remediation roadmaps.
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Location

Where this job is located

Linthicum Heights, MD