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Site Reliability Engineer

1 miesiąc temu

Warsaw, Polska Visa Pełny etat
Job Description

Visa’s Technology Organization is a community of problem solvers and innovators reshaping the future of commerce.   We operate the world’s most sophisticated processing networks capable of handling more than 65k secure transactions a second across 80M merchants, 15k Financial Institutions, and billions of everyday people.   While working with us you’ll get to work on complex distributed systems and solve massive scale problems centered on new payment flows, business and data solutions, cyber security, and B2C platforms.   

 

The Opportunity:

The Middleware Reliability Engineering team is responsible for shared Middleware and Integration infrastructure that supports communication between multiple enterprise applications and business lanes. 

This role will be responsible for configuration, troubleshooting, Root Cause Analysis, deployment, and continuous operational support and improvement of middleware technologies used at Visa, to make the systems reliable, scalable and fault tolerant.

The responsibility includes working with Global systems, Global Operations, and external Integration partners (Merchants and Acquirers) in implementing solutions via current or proposed middleware/devops technologies, including but not limited to Web/App Tier, Caching and Messaging Technologies. He or she must be able to collaborate with others to manage and rationalize incoming requirements to implement appropriate solutions and provide support.

 

The Work itself:

- Monitor Production environments and work with various teams to resolve Mission Critical issues.

 - Provide expert advice and consultation with regards to Application and Web Server configurations (WebSphere Application Server, Apache, Tomcat) and Messaging solutions (IBM MQ, Rabbit MQ)

 - Provide level 2 and 3 production support for Middleware components and applications

 - Lead problem resolution and improvement efforts

 - Drive constant interaction with application support, developers and other infrastructure teams. 

 - Enhance Middleware and Integration operating procedures to make a difference on a global or local scale

- Automate day to day tasks using Shell Scripts/Python, Ansible, Jenkins, Chef etc.

 

This is a hybrid position. Hybrid employees can alternate time between both remote and office. Employees in hybrid roles are expected to work from the office 2-3 set days a week (determined by leadership/site), with a general guidepost of being in the office 50% or more of the time based on business needs.


Qualifications

Basic Qualifications
 BS or MS in Computer Science or related degree from an accredited university
 Minimum five (5) years of directly related experience.

Preferred Qualifications
 Must have worked and supported complex distributed infrastructure involving Network, Load Balancers, Middleware, Storage, Databases etc. and should have the ability to drill down issues quickly.
 Expert in WebSphere Application Server, IBM HTTP Server, Tomcat, Apache
 Experience with messaging solutions e.g., IBM MQ or Rabbit MQ.
 Experience in Monitoring setup using Prometheus, App Dynamics, or similar tools.
 Experience in working on Springboot applications (deployments, configurations etc.,) is a Plus.
 Good Knowledge on SSL certificate & key management using tools like Java Keytool, openssl, PGP etc.
 Must have the ability to understand ssl key encryption, decryption process.
 Good understanding on JVM performance tuning and able to analyze thread dumps and heap dumps.
 Basic to Intermediate level of experience with one of the public clouds (AWS, Azure or GCP)
 Automation skills using Shell Scripts, Perl, or Python
 Experience with Jenkins CI/CD pipeline.
 Good understanding of the Kubernetes/Docker.
 Experience in troubleshooting production issues and problem solving.
 Exceptional written and verbal communication skills to deal with different teams in the organization and external customers.
 Experience working in Linux environment.
 Experience with at least one ticketing tool e.g., ServiceNow, Viper, Jira etc.
 Should be enthusiastic and have the urge to learn new technologies and accept challenges.
 Should have ITIL standards exposure with respect to Change, Incident and Problem.



Additional Information

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.

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