Penetration Tester

Job Description

The Role:
This role strengthens GMs protection detection and response capabilities by simulating real-world attacker objectives and actions across GMs technology landscape. You will plan and execute hands-on penetration tests uncover root causes and drive actionable remediation with engineering partners. The ideal candidate operates with minimal guidance communicates clearly and delivers high-quality evidence-backed results.

What Youll Do (Responsibilities):

• Plan scope and execute application penetration tests (lead and supporting roles) across web API and mobile surfaces; incorporate relevant code pipeline and infrastructure review to map end-to-end attack paths.
• Perform authenticated and unauthenticated testing using industry-standard techniques; develop targeted tests and proof-of-concepts to validate exploitability and business impact.
• Document clear reproducible findings with severity impact and pragmatic remediation guidance; deliver concise readouts to technical and non-technical stakeholders.
• Validate fixes and risk reductions ensuring sustainable remediation and knowledge transfer to engineering teams.
• Collaborate with internal stakeholders on external vulnerability reports received through the companys responsible disclosure program and help reduce recurring patterns.
• Contribute to safe test automation and scale (e.g. authenticated testing orchestration repeatable workflows CI/CD touchpoints) to improve coverage and consistency.
• Maintain awareness of emerging threats testing techniques and common weaknesses; advocate for secure-by-design patterns and developer enablement.

Your Skills & Abilities (Required Qualifications):

• 2 years of hands-on experience in penetration testing security assurance or vulnerability management including white-box or gray-box testing
• Solid understanding of web and API security concepts (authentication/SSO session management injection classes deserialization SSRF RCE access control)
• Proficiency applying industry-standard offensive testing methods and authenticated testing setups; ability to create high-quality test cases and execute both manual and automated assessments
• Experience writing professional-grade penetration test reports and presenting findings/readouts to diverse audiences
• Broad familiarity with operating systems networks and cloud-native architectures; ability to reason about upstream/downstream dependencies and systemic risk

People Skills:

• Strong written and verbal communication skills; able to translate complex technical issues into actionable guidance
• High integrity handling confidential and sensitive information; capable of managing multiple engagements priorities and deadlines with minimal supervision

What Will Give You A Competitive Edge (Preferred Qualifications):

• Bachelors degree in Computer Science Cybersecurity Information Technology or a related technical discipline
• Experience responsibly developing or adapting exploits and proof-of-concepts to validate risk
• Recognized certifications (e.g. OSCP GIAC CISSP or equivalent)
• Experience with mobile or AI/LLM application testing red teaming/threat hunting collaboration or building repeatable pentest/CI/CD integrations

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About GM

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Benefits Overview

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We encourage interested candidates to review the key responsibilities and qualifications for each role and apply for any positions that match their skills and capabilities. Applicants in the recruitment process may be required where applicable to successfully complete a role-related assessment(s) and/or a pre-employment screening prior to beginning employment. To learn more visit How we Hire.

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