• Architect and implement LAN/WAN/SD-WAN and Wi-Fi for multiple global offices. • Manage Cisco Meraki switches/routers and APs, while staying vendor-agnostic for future integrations. • Implement and manage Wi-Fi EAP (Enterprise Authentication), certificate-based authentication, and enforce zero-trust access controls. • Plan and optimize enterprise Wi-Fi, including RF design, surveys, and performance tuning. • Build secure cloud and hybrid networking (AWS, Azure, GCP). • Automate deployments and configuration management with Python, Ansible, and IaC tools (Terraform, GitOps). • Implement observability and alerting; drive improvements in MTTR and service reliability. • Support compliance (SOC 2, ISO 27001) with configs, change control, and documentation. • Travel regionally (approx. 25–40% during buildouts) for on-site deployments and architecture reviews.

• Responsible for the implementation and continued support of new and existing program setups at the payment networks. • Ensures the appropriate network and account set-up for new programs. • Completes, submits, and retains all necessary documentation and reports to Networks to support payments programs. • Administers network portals and provisions internal staff and partners. • Registers applicable third parties with networks. • Drives annual network renewal processes. • Updates and educates stakeholders on network rules and operating procedures as needed. • Contributes in meetings and keeps team members informed of relevant tasks and issues including status, dependencies and expected timelines for completion. • Reviews network forms from partners and processors for completeness and accuracy prior to network submission. • Updates internal configuration system to reflect network setups. • Utilizes internal case system to communicate and document network tasks within established timeframes. • Utilizes tools and resources to navigate questions and processes. • Navigates day-to-day tasks independently. • Serves as an experienced resource for other team members to navigate requests. • Serves as the subject matter expert (SME) for network fundamentals. • Identifies areas of improvement and drives solutions. • Other duties as assigned

• Ensures the appropriate network and account set-up for new programs • Completes, submits, and retains all necessary documentation and reports to Networks to support payments programs • Administers network portals and provisions internal staff and partners • Registers applicable third parties with networks • Drives annual network renewal processes • Updates and educates stakeholders on network rules and operating procedures as needed • Contributes in meetings and keeps team members informed of relevant tasks and issues including status, dependencies and expected timelines for completion • Reviews network forms from partners and processors for completeness and accuracy prior to network submission • Updates internal configuration system to reflect network setups • Utilizes internal case system to communicate and document network tasks within established timeframes • Utilizes tools and resources to navigate questions and processes • Navigates day-to-day tasks independently • Serves as an experienced resource for other team members to navigate requests • Serves as the subject matter expert (SME) for network fundamentals • Identifies areas of improvement and drives solutions • Other duties as assigned

Role Description The Senior Lead Network Engineer is an experienced technical leader responsible for ensuring the reliability, scalability, and operational excellence of enterprise network platforms. This role is primarily focused on Element Management System (EMS) testing and Tier 4 Operations Support, serving as the highest escalation point for complex network issues and platform-level incidents. As a senior member of the Architecture, Engineering, and Technology Support team, this role partners closely with network architects, engineers, operations teams, and vendors to validate innovative technologies, ensure operational readiness, and maintain stable production environments. The Senior Lead Network Engineer is expected to provide deep technical expertise, lead troubleshooting efforts during critical events, and influence long-term network strategy through testing feedback and operational insights. Work Location: US Remote Main Responsibilities - EMS Testing - Lead and execute comprehensive EMS testing across network platforms, including functional, integration, regression, performance, and resilience testing. - Validate EMS interoperability with network devices, northbound systems, monitoring tools, and automation frameworks. - Develop, maintain, and enhance EMS test plans, evaluate test cases, and validate criteria aligned with architectural standards and operational requirements. - Identify defects, gaps, and risks within EMS platforms and partner with engineering, architecture, and vendors to drive resolution. - Ensure operational readiness of EMS solutions prior to production deployment, including failover scenarios, scalability, and alerting accuracy. - Tier 4 Operational Support - Serve as the Tier 4 escalation point for complex, high-impact network, and EMS-related incidents. - Lead deep-dive root cause analysis (RCA) efforts for critical outages, chronic issues, and systemic failures. - Provide advanced troubleshooting across network hardware, software, EMS platforms, and integrated systems. - Recommend and implement permanent corrective actions to prevent recurrence of critical incidents. - Function as a technical authority during major incident calls and post-incident reviews. - Architecture, Engineering, and Technology Support Collaboration - Partner with Network Architecture to review designs and provide operational and test-readiness feedback. - Support Engineering teams during solution build and deployment by validating EMS behavior and operational workflows. - Evaluate innovative technologies, tools, and platforms from an operational, testability, and supportability perspective. - Influence architectural and engineering decisions by sharing insights gained from EMS testing and Tier 4 operations. - Process Improvement and Leadership - Establish and improve EMS testing methodologies, standards, and best practices. - Mentor and guide senior and mid-level engineers in advanced troubleshooting and operational excellence. - Identify opportunities for automation, monitoring improvements, and proactive fault detection. - Contribute documentation, runbooks, and operational procedures for complex network environments. - Project Management - Manage network projects, set priorities, prepare cost/benefit analyses, and use modeling and planning methodologies to develop strategic roadmaps. Qualifications - Expert-level capability in EMS testing, including functional, integration, regression, performance, and resilience validation. - Proven Tier 4 operations support expertise, serving as the highest escalation point for complex EMS, network, and platform incidents. - Direct experience deploying, instantiating, and operating EMS platforms in cloud environments, with strong understanding of underlying infrastructure dependencies. - Advanced troubleshooting skills across cloud-hosted EMS architectures, including availability, scalability, performance, and failure scenarios. - Strong expertise in northbound API integrations, including RESTful APIs, authentication, data models, and integrations with OSS/BSS, automation, and monitoring systems. - Ability to validate EMS API behavior, data integrity, and performance under normal and degraded conditions. - Deep root cause analysis (RCA) skills focused on systemic issue resolution and long-term operational resilience. Requirements - Bachelor’s degree (BS/BA) in Engineering, Information Systems, or related field desired. - Equivalent professional experience may be considered in lieu of a degree. - 7+ years in network engineering, architecture, or infrastructure-focused roles. - Experience supporting large-scale, mission-critical network environments. - Proven experience providing Tier 4 operational support and leading complex incident resolution. - Direct experience testing, validating, and supporting EMS or network management platforms. Preferred Experience - Experience working within Architecture, Engineering, and Technology Support organizations. - Experience with automation frameworks, scripting, or APIs related to network management. - Exposure to vendor engagement, solution validation, and technology evaluations. - Experience in environments requiring high availability, scalability, and operational rigor. Benefits - Comprehensive package featuring a broad range of Health, Life, Voluntary Lifestyle benefits and other perks that enhance your physical, mental, emotional, and financial wellbeing.