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Senior Penetration Tester (US)

United States🌐 Remote💼 Full-time🗓 2026-05-25 → 2026-08-01

Core

Execute manual, methodology-driven penetration testing engagements across web applications, APIs, internal networks, and assumed breach simulations for enterprise clients.

Role type

Senior IC penetration tester (offensive security)

Builds

Evidence-backed security assessments and remediation guidance for enterprise clients

Domain

Cybersecurity / Offensive Security / Penetration Testing

Deliverable

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

Required skills

Manual web application and API testing, Business logic testing, Authentication and session management testing, Internal network assessment, Active Directory enumeration, Lateral movement techniques, Privilege escalation, Post-exploitation, Scripting (Python, PowerShell, Bash), CVSS scoring, Report writing

Preferred skills

C2 frameworks (Cobalt Strike, Havoc, Sliver), Bug bounty participation, OSCP or equivalent certification, SIEM/EDR adversarial perspective

Technologies

Burp Suite, MITRE ATT&CK, PTES, OWASP, Python, Bash, PowerShell, Active Directory, Kerberos, NTLM, ADCS

Responsibilities

Execute web application, API, and mobile penetration tests; Conduct internal and external network assessments; Develop internal tooling and automation scripts; Participate in QA review cycles; Mentor junior testers; Collaborate on scoping and remediation guidance

Seniority

Mid-Senior, hands-on IC

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