Sr Information Security Engineer

Mitsubishi UFJ Financial Group•Tempe, AZ

4d•Hybrid

About The Position

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. Job Summary: The Assistant Vice President in Security Engineering will be responsible for supporting and enhancing Unix-based security infrastructure across enterprise environments. This role requires deep technical expertise in AIX and RedHat Linux systems, along with strong scripting skills in Bash, Korn, Shell, and Python to automate security tasks and streamline operations. The candidate should be proficient in using Ansible for configuration management and have a solid understanding of TCP/IP networking principles. Key responsibilities include analyzing system logs to identify and resolve issues, utilizing Splunk and SIEM platforms for threat detection, and ensuring secure configurations across Unix systems. The role also involves working with threat detection tools and file integrity monitoring solutions, as well as managing SSH protocols and secure key access.

Requirements

3 to 5 years background in IT administration with emphasis on Unix systems, including AIX and RedHat Linux
Proficient in scripting languages such as Bash, Korn, Shell, and Python, with a focus on security automation and tooling.
Experience with Ansible is a plus, but not required
Familiarity with TCP/IP networking, including secure configuration and troubleshooting
Skilled in log analysis and issue identification using native Unix tools and centralized logging platforms
Hands-on experience with Splunk and other SIEM technologies for monitoring and threat detection
Ability to identify and remediate insecure configurations across Unix-based systems
Exposure to threat detection methodologies and file integrity monitoring tools
Deep understanding of SSH, including secure key management and access control

Responsibilities

Administer and secure Unix-based systems (AIX, RedHat Linux) across enterprise environments, ensuring compliance with internal security policies and external regulatory standards
Develop and maintain automation scripts using Bash, Korn, Shell, and Python to support security operations and system hardening
Assist in improving Ansible playbooks for secure configuration deployment and infrastructure consistency
Monitor and analyze system logs to identify anomalies, troubleshooting issues, and supporting incident response efforts
Utilize SIEM platforms such as Splunk to detect threats, correlate events, and support forensic investigations
Evaluate and remediate insecure configurations across Unix systems, contributing to continuous improvement of security posture
Support threat detection and file integrity monitoring initiatives, integrating tools and processes into Unix environments
Secure SSH configurations, including key management, access controls, and audit logging
Collaborate with cross-functional teams to support secure application deployments and infrastructure changes
Contribute to the development of security metrics and reporting to track system health, compliance, and risk indicators