Senior Penetration Tester

MUFG

Senior Penetration Tester at MUFG performing penetration testing and adversarial assessments of AI integrations. Leading vulnerability identification and mentoring junior team members in a hybrid work model.

Posted 5/21/2026full-timeJersey City • Arizona, Florida, New Jersey • 🇺🇸 United StatesSenior💰 $144,000 - $194,000 per yearWebsite

Tech Stack

Tools & technologies

AWSAzureCloudFirewallsKubernetesLinuxMySQLOracleSQLUnix

About the role

Key responsibilities & impact

Execute timely, thorough, and time‑bound penetration testing of applications and infrastructure assets to identify exploitable vulnerabilities across MUFG assets.
Lead and execute AI‑enabled penetration testing and adversarial assessments of machine learning models, large language model (LLM) integrations, AI‑driven applications, and supporting pipelines.
Assess security, resilience, and misuse potential of traditional and AI‑enabled systems in regulated enterprise environments.
Validate controls, identify exploitable weaknesses, and translate findings into clear, actionable remediation guidance.
Mentor and train junior team members and peers.
Prepare clear and concise reporting on issues found including severity calculation, steps to reproduce, and mitigation and remediation recommendations.

Requirements

What you’ll need

Bachelor’s degree in computer science or related field; applicable specialized training; or equivalent work experience
5+ years of experience in application and infrastructure penetration testing utilizing industry-standard methodologies such as OWASP and the MITRE ATT&CK framework
Operational experience penetration testing two or more of the following technology areas:
Network infrastructure (routers, switches)
Security products and services (firewalls, IDS, IPS, AV)
Active Directory, servers, services, desktops, and mobile devices
Operating systems (Windows, Unix/Linux/AIX)
Databases (MySQL, SQL, DB2)
Cloud and container technologies including AWS, Azure, Oracle, and Kubernetes

Benefits

Comp & perks

comprehensive health and wellness benefits
retirement plans
educational assistance and training programs
income replacement for qualified employees with disabilities
paid maternity and parental bonding leave
paid vacation
sick days
holidays

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

penetration testingvulnerability assessmentAI-enabled testingadversarial assessmentsremediation guidancenetwork infrastructureoperating systemsdatabasescloud technologiescontainer technologies

Soft Skills

mentoringtrainingcommunicationreportingproblem-solving