Associate Director, Americas Network Lead

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At Eisai, satisfying unmet medical needs and increasing the benefits healthcare provides to patients, their families, and caregivers is Eisai's human health care (hhc) mission. We're a growing pharmaceutical company that is breaking through in neurology and oncology, with a strong emphasis on research and development. Our history includes the development of many innovative medicines, notably the discovery of the world's most widely-used treatment for Alzheimer's disease. As we continue to expand, we are seeking highly-motivated individuals who want to work in a fast-paced environment and make a difference. If this is your profile, we want to hear from you. JOB SUMMARY: The Associate Director, Americas Network Lead will be responsible for end‑to‑end leadership of network infrastructure operations across all sites in the Americas region. This will include ownership of Eisai's hybrid network ecosystem, encompassing SD‑WAN, campus/LAN networks, wireless, cloud connectivity, remote access solutions, Zscaler (ZIA/ZPA), global firewall standards, DNS/DHCP/IPAM, IDS/IPS, NAC, NDR and secure internet egress infrastructure. Reporting to the Americas Infrastructure Lead & Global Network Lead, this role will ensure high availability, reliability, and optimization of the network and adjacent infrastructure components that support business‑critical operations. The individual will collaborate with U.S. Regional Leads, Global Functional Lead, Global Infrastructure teams, IT Security, and site leadership to align operations with defined network standards, global architectures, Zero Trust principles, and compliance frameworks. The role will include oversight of onsite infrastructure resources, network vendors, and managed service partners, with a focus on operational excellence, security, and business continuity. ESSENTIAL FUNCTIONS: Infrastructure & Network Operations Leadership Lead day‑to‑day operations of Eisai's Americas network environment, including SD‑WAN architecture, LAN/WAN, Wi‑Fi, remote access, Zscaler ZIA/ZPA, and AWS cloud network connectivity (VPCs, Transit Gateway, routing, and segmentation). Ensure high availability, reliability, and performance of critical network services supporting research, manufacturing, labs, corporate offices, commercial operations, and cloud workloads. Oversee incident, problem, and request management for all network‑related issues, ensuring rapid remediation and adherence to SLA expectations. Implement proactive monitoring, telemetry, and performance optimization using tools such as ThousandEyes, SolarWinds, Zscaler analytics, and CloudWatch. Maintain standardized network configurations, ensuring adherence to global network architecture, Zero Trust, segmentation, and firewall policies. Lead annual and multi‑year regional network budget planning, ensuring forecasting accuracy and financial alignment to strategic priorities. Manage ongoing operational spend, licensing, carrier contracts, and cloud networking costs to ensure financial stewardship across the Americas region. Service Desk & Technical Support Oversight Partner with the service desk and site support teams to streamline escalation paths for network issues and maintain clear troubleshooting runbooks. Create necessary KB documents to enable IT Service Desk team. Ensure frontline and L2 staff are equipped with accurate triage documentation and diagnostic guidelines related to network operations. Define and track KPIs tied to network reliability, incident response, service availability, and user experience. Drive continuous improvement initiatives and reduce repetitive incidents through root cause analysis. Vendor & Partner Management Manage strategic vendor relationships, including network carriers, SD‑WAN providers, Zscaler, firewall partners, monitoring vendors, and managed network services partners. Oversee SLA adherence, change management, and operational performance across all third‑party network support agreements. Conduct and lead quarterly business reviews (QBRs) with all strategic vendors Collaborate with procurement and U.S. regional teams for contract renewals, licensing, bandwidth provisioning, and new network service onboarding. Evaluate technology upgrades, roadmap alignment, and cost optimization opportunities. Backup, Recovery & Business Continuity Ensure connectivity resilience through redundant WAN paths, HA firewall clusters, diverse internet egress, and cloud failover mechanisms. Maintain and validate network‑specific DR procedures including SD‑WAN failover, DNS/DHCP/IPAM recovery, and cloud routing restoration. Coordinate with global teams to align network DR strategies with enterprise business continuity plans. Collaboration & Communication Serve as the primary liaison between site operations, global network engineering, cloud networking teams, and IT Security. Communicate network performance, risks, planned maintenance, and major incidents to regional leadership and stakeholders. Represent Ame

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