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Mitsubishi UFG

Global banking, trust, asset management, securities.

Global Red Team Senior AI Engineer

Offensive Security & TestingConfirmed live in the last 24 hours
Full-time$141 - $194

About the Job

Requirements

  • At least 7 years of experience in red team and offensive security, including leading advanced attack simulations.
  • Demonstrated experience planning and executing attacks that evade network, endpoint, application, and cloud controls.
  • Hands-on experience with AI red teaming, adversarial testing, and large language model security assessments.
  • Experience assessing AI-enabled applications, large language model agents, retrieval-augmented generation systems, model access controls, tool and plugin permissions, and enterprise data connectors.
  • Ability to translate technical attack results into executive-level risk narratives, control validation outcomes, and prioritized remediation actions.
  • Deep knowledge of application security vulnerabilities, exploitation techniques, and web and application programming interface workflows.
  • Experience developing or modifying offensive tooling, such as implants and loaders, and operating modern command-and-control frameworks.
  • Operational knowledge of Windows and Linux, including persistence and lateral movement techniques.
  • Advanced understanding of cloud and identity attack paths, including Microsoft Entra ID, Active Directory, privilege escalation, federation, service principals, conditional access weaknesses, and attack path analysis platforms.
  • Hands-on scripting or software engineering experience in Python, PowerShell, C#, Go, or JavaScript for exploit development, automation, data analysis, and AI-enabled security workflows.
  • Working knowledge of AI security concepts, including the OWASP Top 10 for LLM Applications, MITRE ATLAS, model evaluation methods, prompt engineering, adversarial testing, and responsible AI controls.

Responsibilities

  • Contribute to global Red Team and AI Red Team strategy, execution models, and operating standards.
  • Lead advanced attack simulations across traditional, cloud, and AI-enabled environments.
  • Ensure red team activities align with enterprise risk, regulatory expectations, and control-validation objectives.
  • Define multi-year technical capability roadmaps for red team operations, including cloud exploitation, identity attack paths, adversary simulation validation, AI security testing, and scalable tooling automation.
  • Lead and oversee complex red team engagements across network, endpoint, application, cloud, and physical attack surfaces.
  • Direct advanced attack techniques, including lateral movement, persistence, and control evasion.
  • Lead development and use of custom exploits, tooling, and methodologies to emulate real adversaries.
  • Provide hands-on technical leadership during complex engagements, including attack planning, exploit validation, payload development, command-and-control operations, and post-exploitation decision-making.
  • Lead adversarial testing of AI and large language model systems, including prompt injection, tool misuse, data leakage, and guardrail bypass.
  • Assess emerging technologies and platforms for exploitable weaknesses before and during enterprise adoption.
  • Integrate AI red team findings into enterprise risk, validation, remediation, and retesting workflows.
  • Evaluate AI-assisted developer tools, including copilots, and automation platforms for security impact.
  • Assess how AI systems interact with identity, permissions, application programming interfaces, and enterprise data sources.
  • Use frontier and local large language models to augment red team capabilities and tools.
  • Design and execute AI-specific test cases for prompt injection, indirect prompt injection, model manipulation, jailbreak resistance, retrieval-augmented generation exposure, agentic workflow abuse, model supply-chain risk, and sensitive data exfiltration.
  • Assess AI platforms across the full lifecycle, including model selection, training and fine-tuning data, system prompts, tool permissions, plugin integrations, application programming interface exposure, logging, monitoring, and human-in-the-loop controls.
  • Evaluate AI-assisted offensive and defensive tooling for operational value, misuse potential, data-handling risk, and alignment with enterprise security governance.
  • Drive research into real-world threat actor tactics, techniques, and procedures and emerging AI-enabled attack techniques.
  • Sponsor development of red team tools, scripts, and repeatable methodologies to increase realism, scale, and efficiency.
  • Establish standards for tooling governance, safe use, and audit readiness.
  • Build and maintain secure development practices for internal red team tools, including code review, dependency management, secrets handling, operational security controls, and responsible use of AI-generated code.
  • Assist in developing senior and junior red team operators globally.
  • Contribute to executive-level reporting of attack outcomes, business impact, and remediation validation.
  • Partner with stakeholders to ensure findings lead to sustained control improvements.

Desired Qualifications

  • A bachelor's degree in Computer Science or a related field, or equivalent experience.
  • Advanced security certifications such as CISSP, GIAC, OSCP/OSCE, GWAPT, CISM, CRISC, or CRTO, or similar certifications.
  • Familiarity with regulatory and compliance frameworks such as NIST, FFIEC, GLBA, SOX, and PCI.

About the Company

Mitsubishi UFG

Global banking, trust, asset management, securities.

MUFG is a large financial services group formed in 2005 by merging Mitsubishi Tokyo Financial Group and UFJ Holdings. It provides a wide range of services, including commercial banking, trust banking, securities, credit cards, and asset management, through a global network of banks, trust banks, securities firms, and asset management subsidiaries. Its products work by offering loans and deposits, investment products, payment services, and financial advisory to individuals, businesses, and institutions via branches, digital platforms, and partnerships. The company differentiates itself with its size and global reach, a diversified mix of financial offerings, and strategic international investments (notably the 2008 stake in Morgan Stanley) that expand its US and global presence. MUFG’s goal is to support economic growth worldwide by providing comprehensive financial solutions and pursuing sustainable finance and innovation.

Company size
10,001+
Company stage
IPO
Headquarters
Tokyo, Japan
Founded
2006

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