Infrastructure Engineer Work From Home in London

Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid.

At Visa, you'll have the opportunity to create impact at scale - tackling meaningful challenges, growing your skills and seeing your contributions impact lives around the world. Join Visa and do work that matters - to you, to your community, and to the world.

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 Infrastructure Reliability Engineering - Network Services team provides 2nd level support to manage the day-to-day operations for Visa Inc's network. As a Senior Network Support Engineer, your primary responsibility will be to support, manage, and implement improvements to Visa's global network and cloud, based on ITIL change, incident and problem management process. You will work closely with the Network Engineering and Network Tools teams in supporting, managing, and implementing improvements to Visa's global network and with applications and systems teams to manage and troubleshoot network connectivity. This position is within Infrastructure Reliability Engineering - Network Services team, that operates Visa's global backbone, datacenter, and access networks including our commercial cloud offerings.

• Troubleshoot and resolve complex 2nd level network related problems, coordinate resources where necessary and serve as escalation point to 1st level operational teams.
• Respond to and resolve IP network issues within the timeframe of severity level agreements.
• Deploy client solutions and network design implementations.
• Support all aspects of the network management process assuring requests, implementation, and problems are delivered as required with no impact to the global communications environment.
• Take initiative to proactively discover potential network impacts.
• Participate in or lead problem resolution in real time crisis bridge calls and perform post mortem root-cause analysis.
• Conduct internal technical briefing/training for level1 and level2 network operations team.
• Participate in managing projects introduced by engineering team assuring full implementation and documentation standards are adhered to. Complete the projects objectives within timelines.
• Perform most effective approach to restore, recover, or alter configurations, logical or physical, to maintain service integrity.
• Participate in automation coding efforts using Python.
• Provide cloud network operational support.
• Weekend working on either a Saturday or Sunday shift pattern.
• Public holiday working with days off in lieu.

This is a hybrid position. Expectation of days in office will be confirmed by your hiring manager. Visa requires at least 3 days in office, expectations of these days will be confirmed by your Hiring Manager.

Basic Qualifications:

• Bachelor's degree in engineering, computer science or a related field is required. Post graduate degree a plus.
• Minimum of 5 years' experience in network support/administration.
• Good working knowledge on routing protocols such as TCP/IP, MPLS, BGP, EIGRP & OSPF.
• Good working knowledge with network packet analysis using Wireshark or similar tools.
• Working experience on Security and WAN/LAN technologies.
• Good working knowledge in F5 LTM/GTM, Cisco Catalyst/Nexus switches, Arista switches, Cisco/Juniper routers.
• Professionally qualified or equivalent with related professional experience or equivalent combination of education and experience. CCNA is mandatory.
• Experience in an application hosting or data center environment.
• Experience maintaining highly available and highly secure networks.
• Working experience with DNS tools, Neustar and/or Terraform.
• Working experience with CDN providers such as Cloudflare or Akamai.
• Experience in using network tools like Solarwinds (creating/maintaining dashboards), Netbrain (creating/maintaining runbooks) and Netscout.
• Experience or background with automation using Ansible and/or Python would be an advantage.
• Experience or background with AWS, GCP, Azure and Kubernetes with networking focus would be an advantage.
• ITIL certification preferred with good understanding of change, incident, and problem management process.
• Experience or background with SDN technologies such as Versa SD-WAN, or SilverPeak.

The Skills You Bring:

• Good process orientation and ability to clarify objectives, evaluate options, consider implications, assess risks, and make key decisions.
• Sound planning, organizational and problem-solving skills.
• Good project management skills.
• Willing to work as a team and share responsibilities where needed.
• Ability to convey network concepts and issues to both technical and non-technical audiences.
• Demonstrated ability to meet deadlines and commitments in an environment that requires multitasking among concurrent projects.
• Have strong technical problem determination ability, analytical skills, exceptional system implementation, installation, and disaster recovery planning and ongoing administration experience.

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.