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Penetration Tester III

Washington, DC, us💼 Full-time🗓 2026-04-21 → 2026-09-26

Core

Conducting penetration testing and red team activities to assess security posture across enterprise, IoT, mobile, and cloud environments for defense and government clients.

Role type

Senior IC penetration tester (red team)

Builds

Security assessments and vulnerability reports for High Value Assets and enterprise systems

Domain

Defense and government services / Cybersecurity

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

Penetration testing, Red team operations, IoT security, Mobile security, Cloud security, HVA assessments, MITRE ATT&CK, OSSTMM, OWASP, NIST, PTES, ISSAF

Preferred skills

Management or team lead experience, Continuous penetration testing

Technologies

MITRE ATT&CK, OSSTMM, OWASP, NIST, PTES, ISSAF

Responsibilities

Conduct penetration testing across enterprise systems, applications, and network environments; Perform red team activities to evaluate security controls; Support continuous penetration testing activities; Conduct testing of IoT, mobile, and cloud environments; Support High Value Asset (HVA) security assessments; Identify, document, validate, and report vulnerabilities and recommended remediation actions; Support cyber defense operations through coordination with security engineering, vulnerability management, and incident response teams

Seniority

Senior, hands-on IC with management experience

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