Senior Security Engineer - AI, Vice President
AI summary of the role
MUFG seeks a Senior Security Engineer to design, develop, and deploy autonomous AI agents for cybersecurity automation, including incident investigation and vulnerability prioritization.
No longer in the current catalog. Last included 2026-09-09. Check the employer’s posting for availability.
What you’ll do
- Design and maintain AI agents for multi-step reasoning and tool-use to automate cybersecurity use cases like autonomous incident investigation and vulnerability prioritization.
- Develop high-precision, version-controlled prompts and programmatically optimize LLM outputs for reliable security logic and automated remediation scripts.
- Fine-tune machine learning models (Deep Learning, K-MEANS, SVM) to identify sophisticated attack patterns.
- Integrate large language models (OpenAI, Anthropic, open-source) into production via APIs or local deployments.
What you’ll bring
- Expert-level Python with hands-on data ingestion, cleaning, and ML libraries (Scikit-Learn, PyTorch).
- Proficiency with AI frameworks: LangChain, CrewAI, or AutoGPT for agent orchestration.
- Hands-on experience with at least one cloud AI solution (AWS Bedrock/SageMaker, Azure AI).
- DevOps skills: Docker, Kubernetes, and Git.
Technologies
Python · Scikit-Learn · PyTorch · LangChain · CrewAI · AutoGPT · Docker · Kubernetes · AWS Bedrock · Azure AI · GraphQL · RESTful APIs
About Mitsubishi UFG
Japan's largest financial group, offering retail and corporate banking, trust banking, securities, asset management, and global markets across ~50 countries.
Public · 5000+ people
Source and classification
Internal deployment & tooling · Evidence for this classification:
days per week and work remotely one day. A member of our recruitment team will provide more details. Role Overview: MUFG is seeking a highly motivated Security Engineer to design, develop, and deploy autonomous agents that eliminate manual overhead and drive intelligent decision-making across the organization while ensuring proper guardrails and security controls are implemented. Key Responsibilities Agentic Workflow Design: Build and maintain AI agents capable of multi-step reasoning and tool-use to automate cyber security use cases such as Autonomous Incident Investigation, vulnerability prioritization. Advanced Prompt Engineering with expertise in designing high-precision, version-controlled prompts with ability to programmatically optimize LLM outputs for reliable security logic and automated remediation scripts. Use and fine-tune machine learning models (like Deep Learning,
More from the job description
Do you want your voice heard and your actions to count? Discover your opportunity with Mitsubishi UFJ Financial Group (MUFG), one of the world’s leading financial groups. Across the globe, we’re 150,000 colleagues, striving to make a difference for every client, organization, and community we serve. We stand for our values, building long-term relationships, serving society, and fostering shared and sustainable growth for a better world. With a vision to be the world’s most trusted financial group, it’s part of our culture to put people first, listen to new and diverse ideas and collaborate toward greater innovation, speed and agility. This means investing in talent, technologies, and tools that empower you to own your career. Join MUFG, where being inspired is expected and making a meaningful impact is rewarded. The selected colleague will work at an MUFG office or client sites four days per week and work remotely one day. A member of our recruitment team will provide more details. Role Overview: MUFG is seeking a highly motivated Security Engineer to design, develop, and deploy autonomous agents that eliminate manual overhead and drive intelligent decision-making across the organization while ensuring proper guardrails and security controls are implemented. Key Responsibilities Agentic Workflow Design: Build and maintain AI agents capable of multi-step reasoning and to [... source excerpt omitted ...] fy sophisticated attack patterns that bypass traditional signature-based defenses. LLM Integration: Integrate large language models (OpenAI, Anthropic, or open-source models into production environments via APIs or local deployments. Data Pipeline Orchestration: Develop and optimize data ingestion pipelines, specifically focusing on Vector Databases Process Mapping & Optimization: Audit existing manual workflows and re-engineer them using a "Machine-First" mindset, utilizing LLMs to handle unstructured data. Infrastructure & MLOps: Deploy and monitor AI solutions using cloud-native tools, ensuring high availability, low latency, and cost-efficiency. Safety & Compliance: Implem [... source excerpt omitted ...] ance-based bonus and/or incentive compensation. Additionally, our Total Rewards program provides colleagues with a competitive benefits package (in accordance with the eligibility requirements and respective terms of each) that includes 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, and paid vacation, sick days, and holidays. For more information on our Total Rewards package, please click the link below. Our hybrid work schedule is four days on-site and work remotely one day per week. MUFG Benefits Summary We will con
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