Site Reliability Engineer - job 2 of 2

Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable, and secure payments network, enabling individuals, businesses, and economies to thrive while driven by a common purpose – to uplift everyone, everywhere by being the best way to pay and be paid.

Make an impact with a purpose-driven industry leader. Join us today and experience Life at Visa.

The Site Reliability Engineer (SRE) will be a key contributor to the Product Reliability Engineering (PRE) Organization, supporting the Consumer Authentication space. As a part of the PRE team, you will be responsible for availability, performance, efficiency, change management, monitoring, emergency response, and capacity planning for various Production systems. 

You will have the opportunity to participate in architectural reviews and identify design gaps, detect problems, perform root cause analysis, and contribute through innovative technical solutions that help to ensure system availability and team continuity.

You will leverage your creativity and critical thinking skills to enhance current workflows and processes through automation, toil reduction and integrated technical solutions. In this role you will be responsible for leading and supporting various cross-functional projects, solving complex technological problems, and maintaining the availability, resiliency and performance of high throughput, business critical Fintech API’s.

Responsibilities:

• Provide 24x7x365 application support across multiple systems and technologies, including rotational on-call support during non-business hours.

• Apply configuration updates, operation break fixes, and other proactive maintenance activities to ensure the availability of production systems.

• Design and develop tools for automation, toil reduction, and process improvement.

• Understand application architecture and transaction flows to provide support to internal and external teams.

• Remediate cybersecurity findings to ensure compliance with audit regulations.

• Execute security patching following a follow-the-sun model.

• Work closely with development and support teams for problem identification and resolution.

• Provide verification for both Visa-related services, such as certificate installations and verifications, and Cardinal services, to ensure systems are correctly configured, compliant, and operational.

• Manage the lifecycle of standard products owned and used by PRE.

• Participate in functional and technical meetings throughout the development lifecycle.

• Provide direct support during production deployments.

• Manage and support incremental code pushes to production, ensuring that changes are deployed in manageable, low-risk increments to minimize disruption and facilitate rollbacks if necessary.

• Act as a limited change approver, ensuring that changes to the production environment are thoroughly reviewed and approved.

• Collaborate with DevSecOps teams to ensure new applications adhere to the security and high availability standards of Visa, while meeting operational hand-off requirements.

• Maintain accountability to ensure proper controls are in place for monitoring and observability of systems with the goal of 99.99% uptime.

This is a hybrid position. Expectation of days in office will be confirmed by your hiring manager.

Basic Qualifications:

Experience- 0.6 to 2 years
-Relevant work experience in IT Operations, Systems Engineering, SRE, or
similar discipline.
-Hands-on experience with Linux/Unix administration and basic network
troubleshooting via CLI.
-Experience supporting and debugging distributed enterprise applications on
Linux platforms (Java/Tomcat).
-Familiarity with logging and monitoring solutions at scale (Splunk, Grafana).
-Strong understanding of web security and protocols HTTP/S, SSL/TLS, DNS,
and networking fundamentals to support enterprise APIs.
-Demonstrated experience with at least one scripting language or technology
used for enterprise automation (Ansible, Powershell, Bash, Python).
-Working knowledge of high availability models, load balancing (f5-GTM, LTM)
techniques, and proxy solutions.

Preferred Qualifications:
-Strong understanding of encryption protocols for data in transit (client-server
communication) and data at rest (SSL certificate & key management).
-Experience administrating Kubernetes – deployment, scaling, load balancing,
and orchestration.
-Good understanding of JVM performance tuning and the ability to analyze
thread dumps and heap dumps.

Visa is an EEO Employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability or protected veteran status. Visa will also consider for employment qualified applicants with criminal histories in a manner consistent with EEOC guidelines and applicable local law.