Site Reliability Engineer - Web Applications, AVP

Site Reliability Engineer – Web Applications, AVP

Join MUFG as a Site Reliability Engineer – Web Applications, AVP.

MUFG is seeking a highly motivated Certified Sr. Cloud Site Reliability Engineer to build a robust, scalable, and reliable web application environment in 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. Supporting the application teams in deployment from beginning to end.
• 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 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.

Typical base pay range: $112 K – $137 K, plus discretionary performance‑based bonus and/or incentive compensation. Total Rewards program 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, paid vacation, sick days and holidays.

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

We are a proud Equal Opportunity Employer and committed to leveraging the diverse backgrounds, perspectives and experience of our workforce. 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.