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. CyberSource, a Visa company, has been and continues to be a pioneer within the e-Commerce Payment Management world. Our VisaNet network is capable of handling over 65,000 transaction messages 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.

The Test Engineering & Certification group under Global Network Engineering is responsible for performing network lab testing and certification both in a physical and virtual lab environment; and validation of network changes prior to implementation into Visa’s Global Network Infrastructures. 

The Staff Network Engineer candidate will be responsible for working with the following teams: Visa’s Global Network Engineering, Global Network Architecture, Global Network Operations to test and certify network changes and new designs using network modeling tools. This role serves as a technical specialist who works independently and as a member of a team, only requiring guidance in complex situations. The Test Engineering & Certification team is the only team under the Global Network Engineering organization that has the ability to work on all of the Visa network environments (i.e.: Commercial, Data Center, Cloud, Hadoop, Backbone).

Some travel (10%) may be required for training, project related and vendor visits.

RESPONSIBILITIES:

This is an individual contributor role responsible for testing, analyzing and validating complex network configurations and designs prior to deployment in the production network.

• Responsible for testing network change scripts using modeling tools prior to network change implementations
• Publish the results from network modeling test efforts and review with technical and non-technical stakeholders
• Position requires the use of network modeling technologies to design, simulate, test, manage and optimize network infrastructures utilizing proven best practices
• Design and analyze network models using varying network modeling tools, and work with a team of network engineers to review results and develop configuration improvements
• Build network models to simulate and test environments prior to deploying and implementation of network changes
• Collect network and application information required for simulation model building and testing.
• Perform network design analysis and configuration validation
• Create test result reports and provide network design recommendations
• Work under time pressure constraints and present modeling results in a clear, articulate manner stating any issued and resolution steps to Network Engineering and Network Operations management
• Work closely with stakeholders in  Global Network Engineering, Global Network Architecture and Global Network Operations teams to understand the network designs
• Work closely with project managers to complete testing and certification on time without impact to documented project timelines

• Bachelor degree in computer science or a related field
• Experience in network modeling using tools such as Riverbed NetPlanner, EVE-NG, Cisco CML similar tools.  This includes building of network models using data captured from Cisco Works or Intelliden or similar network discovery tool.
• Ability to work well under pressure and very tight deadlines, including turnaround of network models in five days or less.
• Hands on experience in Cisco, Arista, Cumulus, Checkpoint, Palo Alto and F5 platform configuration 
• Understanding of networking protocols (e.g. BGP4, OSPF, IPSEC, HSRP, 802.11, QoS)
• Hands on experience with Windows and Linux Operating System for application installation and resolving vulnerabilities through patching
• Knowledge of telecommunications technologies, systems, and circuits (e.g. Ethernet, Sonet, TDM circuits etc.)
• Excellent written and verbal communication skills.
• Ability to work independently and manage multiple project and priorities.
• A strong desire and capability to learn, grow and develop new skills
• Minimum 5+ years of related industry experience

This position must sit in Ashburn, VA.