Sr. Systems Engineer, Cloud Infrastructure - job 7 of 20

As a Sr. Systems Engineer, Cloud Infrastructure at Visa, your key responsibilities include collaborating with Cloud Architects to design secure and scalable cloud infrastructure, guiding the implementation of enterprise-level solutions using services from AWS, GCP, or Azure, and promoting DevOps principles with a focus on Infrastructure as Code and automation. You'll also be fundamental in establishing standard foundational services for Visa's cloud environments, ensuring the availability and security of applications, and integrating critical management aspects.

Candidates applying for the Sr. Systems Engineer, Cloud Infrastructure position at Visa should bring experience in deploying infrastructure solutions on major public clouds like AWS, GCP, or Azure. A profound understanding of DevOps philosophy and practical experience with Infrastructure as Code (IaC) and automation practices is crucial. Strong problem-solving skills, a collaborative mindset, and expertise in big cloud ecosystems will set you up for success in this role.

Visa maintains robust security in its cloud infrastructure by integrating security best practices into the design and implementation phases. As a Sr. Systems Engineer, you will contribute to this by setting up security frameworks, documenting best practices for IAM and Security Groups, and implementing continuous monitoring via SIEM tools. This approach ensures compliance with evolving requirements and protects critical payment systems across cloud environments.

As a Sr. Systems Engineer, Cloud Infrastructure at Visa, you’ll have numerous avenues for growth, including hands-on experience with leading cloud technologies, opportunities to collaborate with experts in cloud architecture, and the chance to lead initiatives on cloud innovations. Visa’s commitment to professional development supports your journey in taking on new challenges and responsibilities, paving the way for career advancement within the organization.

In the role of Sr. Systems Engineer, Cloud Infrastructure at Visa, you will utilize various tools and technologies, including Terraform, CloudFormation, and Pulumi for Infrastructure as Code. You’ll also work with CI/CD pipeline tools to automate deployments, and Kubernetes for container orchestration. Familiarity with logging and monitoring solutions will be essential as well to ensure the reliability, security, and performance of your cloud applications.

In your response, share specific projects where you utilized IaC tools like Terraform, CloudFormation, or Pulumi. Emphasize how you implemented IaC to automate deployments and manage configurations efficiently, showcasing your understanding of the underlying principles and benefits, such as reduced manual errors and increased scalability.

Discuss your methodologies for ensuring security in cloud applications. Highlight your experience with identity and access management (IAM), your ability to implement security groups, and how you conduct risk assessments to identify vulnerabilities. Show your understanding of compliance requirements and how you incorporate them into your frameworks.

Share how you view DevOps as a cultural shift that emphasizes collaboration between development and operations teams. Provide examples of how you’ve promoted DevOps practices in past roles, perhaps by implementing CI/CD pipelines or fostering a culture of automation and continuous improvement.

Outline a specific challenge related to resource allocation, compatibility, or security during a cloud deployment. Discuss the steps you took to analyze the situation, the adjustments you made, and what you learned from the experience that could benefit future projects.

To ensure high availability, you might discuss strategies such as utilizing auto-scaling groups, load balancers, and multi-region deployments. Detail how you monitor performance through metrics and logging, and how you make necessary adjustments to maintain optimal operation of applications.

Discuss your experience with Kubernetes or other container orchestration tools. Focus on how you’ve set up Kubernetes clusters, managed container lifecycles, and implemented solutions for scaling and securing the containers as part of your overall cloud infrastructure.

Provide a structured approach to how you create CI/CD pipelines, covering stages such as development, testing, and deployment. Discuss the tools you use, the importance of automation, and how you ensure code quality throughout the pipeline to deliver reliable software to production.

Talk about strategies like rightsizing instances, leveraging serverless architectures, and using reserved instances to optimize costs. Highlight how monitoring and analytics help track usage patterns and inform decisions to reduce overhead without impacting performance.

Emphasize the importance of communication and transparency when collaborating with stakeholders. Share your experience in gathering requirements, addressing concerns, and managing expectations, showcasing how you create inclusive environments that foster engagement and collaboration.

Describe your methodical approach to troubleshooting issues in cloud environments, including leveraging logs, using monitoring tools, and collaborating with team members. Highlight how you prioritize problems based on impact and how you ensure solutions are tested for effectiveness.