Senior Lead Network Engineer: 100G & Cloud Connectivity

FIS; Jacksonville (FL); On-site; USD 130,000 - 180,000; Full time

Benefits offered by this job

Innovate in fintech

Diverse team atmosphere

Professional development

Community involvement

Competitive compensation

Job summary

FIS is seeking a Senior Lead Network Engineer to drive telecom strategy for a global backbone, oversee circuit design and provisioning, and mentor a team of engineers. The role encompasses Layer 1‑3 transport, optical and IP architectures, and cloud connectivity.”

You will partner with Data Center Ops, Security, and Finance, leading complex projects, decommissioning legacy tech, and delivering scalable, software‑driven networks on time.

Qualifications

• 10+ years leading or senior-level support to a network provisioning or circuit engineering team
• 10+ years of Network Engineering experience
• 10+ years of experience working directly with telecom carriers, including escalations and service delivery management
• 10+ years of experience in network operations, network engineering, or a combination of both
• Experience supporting modern transport technologies including carrier Ethernet, optical wavelength services, and backbone connectivity
• Proficiency with Microsoft Office tools including Excel, PowerPoint, Visio, SharePoint and Word
• Experience with Ethernet based networking and transport services
• Experience using mapping or route visualization tools for transport diversity analysis

Responsibilities

• 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

Skills

Leadership

Mentoring

Communication

Problem solving

Cross-functional collaboration

Tools

Calero/Verasmart TEM

ServiceNow

Excel

PowerPoint

Visio

SharePoint

Word

Job description

FIS is seeking a Senior Lead Network Engineer to drive telecom strategy for a global backbone, oversee circuit design and provisioning, and mentor a team of engineers. The role encompasses Layer 1‑3 transport, optical and IP architectures, and cloud connectivity.”

You will partner with Data Center Ops, Security, and Finance, leading complex projects, decommissioning legacy tech, and delivering scalable, software‑driven networks on time.