Senior Offensive Security Penetration Tester

Ernst & Young Oman; Fort Worth (TX); On-site; USD 105,000 - 210,000; Full time

Job summary

EY is seeking a Senior Attack & Penetration Tester to lead offensive security engagements across diverse client environments. You will emulate adversaries, identify exploit paths, and deliver remediation strategies, including AD, cloud, and API testing.

The role requires senior technical expertise and cross‑site collaboration. Based in the United States, the position emphasizes leadership, client communication, and developing test methodology while guiding junior staff.

Qualifications

• Bachelor's degree in a related field and 5+ years in offensive security.
• Experience planning and executing advanced red team engagements.

Responsibilities

• Plan, lead and execute complex penetration testing and red team engagements.
• Translate testing results into actionable risk remediation insights.
• Mentor junior team members and coordinate testing activities.

Skills

Penetration testing

Red team

Active Directory

Cloud security

Web/mobile/API testing

Scripting

Education

Bachelor's degree

5 years offensive security

Tools

MITRE ATT&CK

EDR/SIEM

Job description

EY is seeking a Senior Attack & Penetration Tester to lead offensive security engagements across diverse client environments. You will emulate adversaries, identify exploit paths, and deliver remediation strategies, including AD, cloud, and API testing.

The role requires senior technical expertise and cross‑site collaboration. Based in the United States, the position emphasizes leadership, client communication, and developing test methodology while guiding junior staff.