Site Reliability Engineer - Web Applications, AVP

Job Summary

MUFG is seeking a highly motivated Certified Sr. Cloud Site Reliability Engineer to build and maintain a robust, scalable, and reliable web application environment on AWS, support the configuration, deployment and delivery of AWS services, oversee day‑to‑day operations, and play a pivotal role in supporting and optimizing our web applications.

• Implement and maintain highly available and scalable web application infrastructure on AWS.
• Support the application teams throughout the full deployment lifecycle.
• Leverage core AWS foundation services (EC2, S3, IAM, VPC, RDS, Route 53, etc.) to architect modern solutions.
• Ensure cloud systems and solutions follow a secure‑by‑design pattern.
• Monitor cloud environments for security incidents and ensure rapid response through automated mechanisms.
• Develop and manage infrastructure as code using Terraform, including authoring, reviewing, and maintaining modules for AWS resources.
• Configure and optimize Application Load Balancers (ALB) and Network Load Balancers (NLB) for application traffic management.
• Monitor, troubleshoot, and resolve issues related to networking, web services, and application performance within AWS environments.
• Collaborate closely with development and Dev Ops teams to streamline CI/CD pipelines and automate deployments using AWS‑native tools.
• Continuously seek opportunities to improve system reliability, scalability, and security through automation and new AWS services.
• Participate in on‑call rotations and provide advanced technical support for critical production systems.

• Minimum 5 years of hands‑on experience working with AWS cloud infrastructure and services.
• Demonstrated expertise with AWS core foundation services (EC2, S3, IAM, VPC, RDS, Route 53, Cloud Watch, etc.).
• Extensive hands‑on experience with Terraform for infrastructure as code, including writing and maintaining complex configurations.
• Strong knowledge and experience with AWS networking (VPC, subnets, security groups, route tables, etc.).
• Proven experience configuring and managing Application Load Balancers (ALB) and Network Load Balancers (NLB).
• Solid understanding of web services architecture, deployment, and operational best practices.
• Direct experience building and maintaining AWS CI/CD pipelines using services such as Code Pipeline, Code Build, Code Deploy, or similar tools.
• Ability to troubleshoot and resolve issues in distributed, cloud‑based environments.
• Strong scripting skills (Python, Bash, or similar languages) a plus.

• AWS certifications (Solutions Architect, Dev Ops Engineer, Sys Ops Administrator, etc.).
• Experience with containerization technologies (Openshift, ECS, EKS) and serverless computing (Lambda).
• Knowledge of monitoring and alerting tools (Cloud Watch, Dynatrace).
• Excellent communication and documentation skills.

Bachelor’s degree in Computer Science, Information Technology, Engineering, or equivalent experience.

Visa sponsorship/support is based on business needs. We do not anticipate providing visa sponsorship/support for this position.

The typical base pay range for this role is between $112,000 and $137,000 depending on job‑related knowledge, skills, experience, and location. This role may also be eligible for certain discretionary performance‑based bonus and/or incentive compensation.

Our Total Rewards program provides a comprehensive health and wellness benefits package, retirement plans, educational assistance and training programs, income replacement for qualified employees with disabilities, paid maternity and parental bonding leave, paid vacation, sick days, and holidays.

We are proud to be an Equal Opportunity Employer and are committed to leveraging the diverse backgrounds, perspectives, and experience of our workforce to create opportunities for our colleagues and our business. We do not discriminate on the basis of race, color, national origin, religion, gender expression, gender identity, sex, age, ancestry, marital status, protected veteran and military status, disability, medical condition, sexual orientation, genetic information, or any other status of an individual or that individual’s associates or relatives that is protected under applicable federal, state, or local law.

The above statements describe the general nature and level of work being performed and are not an exhaustive list of all responsibilities, duties, and skills required for this position.