Sr Systems Administrator - REF7168M

  • Full-time
  • Job Family Group: Technology and Operations

Company Description

Common Purpose, Uncommon Opportunity. Everyone at Visa works with one goal in mind – making sure that Visa is the best way to pay and be paid, for everyone everywhere. This is our global vision and the common purpose that unites the entire Visa team. As a global payments technology company, tech is at the heart of what we do: Our VisaNet network processes over 13,000 transactions per second for people and businesses around the world, enabling them to use digital currency instead of cash and checks. We are also global advocates for financial inclusion, working with partners around the world to help those who lack access to financial services join the global economy. Visa’s sponsorships, including the Olympics and FIFA™ World Cup, celebrate teamwork, diversity, and excellence throughout the world. If you have a passion to make a difference in the lives of people around the world, Visa offers an uncommon opportunity to build a strong, thriving career. Visa is fueled by our team of talented employees who continuously raise the bar on delivering the convenience and security of digital currency to people all over the world. Join our team and find out how Visa is everywhere you want to be.

Job Description

The Middleware team is part of the Distributed Systems Operations & Engineering and is responsible for common middleware and integration infrastructure that supports communication between multiple enterprise applications and multiple business lines. 
This role will be responsible for configuration, troubleshooting, Root Cause Analysis, deployment, and continuous operational support and improvement of middleware technologies used at Visa. 
The responsibility includes working with Global systems, Global Operations, Cybersource and external Integration partners in implementing  solutions via current or proposed middleware technologies, including but not limited to Application Servers(WebLogic, WebSphere, Tomcat, etc.), Web Servers, WebSphere MQ and Java/J2EE applications. Understanding of IBM Datapower, Connect Direct, LDAP, Siteminder/Forgerock and DB2 database will be a plus.  He or she must be able to collaborate with others to manage and rationalize incoming requirements in order to implement appropriate solutions.

Qualifications

(Must-have Skills)
• BS or MS in Computer Science or related degree from an accredited university
• 5-7 years of experience in Information Technology and 5+ years of relevant Middleware experience 
• Good Administration skills on Tomcat, WebSphere Application Server and Weblogic
• Experience with Web Servers e.g Apache, IBM HTTP Server, IIS etc.
• Experience with at least one Messaging product e.g WebSphere MQ, Active MQ etc.
• Good scripting skills in Shell, Perl, Python etc.
• 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.
• Intermediate level of knowledge on Windows/UNIX/Linux OS.
• 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.
• 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.

 (Desired Skills)
• Experience with SSO Technologies (CA SiteMinder or Forgerock OpenAM), CA Identity Manager, CA Directory Server, Red Hat Directory Server and Oracle Directory Server products
• Experience programming in Java, J2EE
• Experience with IBM Datapower and Connect Direct is a great plus.

Additional Information

Key Responsibilities
 - Monitor Production environments (Rotational Shift Based) and work with various teams to resolve Mission Critical issues.
 - Provide expert advise and consultation in Tomcat, IBM WebSphere Application Server, Oracle WebLogic, messaging solution (message broker, MQ)
 - Create Standard Operating Procedures for Middleware Operations for Optimum Infrastructure Solutions.  
 - 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 and engineering patterns.

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