Senior, Network Engineer - Telecommunications Team

Job Posting Description We are FIS. Our technology powers the world’s economy and our teams bring innovation to life. We champion diversity to deliver the best products and solutions for our colleagues, clients and communities. If you’re ready to start learning, growing and making an impact with a career in fintech, we’d like to know: Are you FIS?

The FIS Telecommunications Team is hiring a Senior Network Engineer who is responsible for driving technical rigor, and leading complex problem solving and escalation efforts related to circuit design, provisioning, and implementation. This role supports modern, high-capacity transport solutions and emerging connectivity technologies across the global FIS network. Responsibilities span Layers 1, 2 and 3 transport, modern optical and IP based architectures, dark fiber and wavelength services, global aggregation, colocation and interconnection strategy, and wireless and satellite connectivity solutions. This includes leading initiatives to decommission legacy technologies while enabling scalable, software driven and high bandwidth network designs. The Senior Network Engineer will work closely with Data and Voice Engineering, Infrastructure Architecture, Product and Project Management, Information Security, Finance, and Data Center Operations to scope, plan, and execute large scale transport and network initiatives. The role also partners closely with Supply Chain to define telecom vendor strategy, support RFPs, evaluate carrier performance, and optimize cost structures.

The FIS Network Team delivers enterprise and client telecommunications connectivity solutions worldwide. Our responsibilities span vendor strategy, network design, circuit provisioning, inventory management, and Telecom Expense Management (TEM). Comprised of wide area network engineers, telecommunications specialists, and expense management professionals, we oversee and optimize FIS’s global telecom portfolio. Our mission is to provide world-class, reliable, and cost-effective telecommunications services that enable business operations, support client needs, and drive connectivity excellence across the enterprise.

Lead and mentor Network Circuit Engineering team members across circuit design, carrier selection, ordering, provisioning, implementation, carrier escalations, and inventory accuracy Provide technical leadership and design expertise for large scale network initiatives requiring complex Layer 1 transport diversity, resiliency, and route analysis Design and support modern transport solutions including high-capacity optical services, 100G wavelengths to support US and global backbone aggregation Support SD-WAN and hybrid WAN architectures, including MPLS, carrier Ethernet, internet underlay, and secure cloud connectivity Design and implement connectivity for cloud and interconnection services including colocation environments, cloud on ramps, and carrier neutral facilities Lead deployment and support of wireless and alternative access technologies including LTE, private wireless, satellite-based connectivity, and emerging mobility solutions Own carrier escalations and service delivery risk management to meet business timelines and resiliency objectives Partner with Supply Chain on RFP development, contract discussions, vendor product strategy, and financial analysis Drive legacy technology decommissioning efforts, including TDM retirement and migration to modern transport architectures Ensure accurate documentation, circuit inventory, and design artifacts across inventory, ordering, and network management systems Demonstrate a high level of professionalism, accountability, and commitment to delivering secure, resilient, and scalable network solutions on time Required Qualifications: 5+ years of experience leading or providing senior-level support to a network provisioning or circuit engineering team 5+ years of Network