Senior Network Engineer

Role Overview Within ITIS DO EICS Networks, the Networks tower manages the lifecycle, delivery, quality, and performance of Nokia’s global connectivity services. This high-priority role supports the Network Infrastructure Business Unit and is dedicated to the Fabrinet manufacturing plant, where resilient, secure, and high-performing connectivity is essential to production continuity and the expanded IT scope. Senior Network Engineer – Lead the design, modernization, implementation, and lifecycle management of factory site network infrastructure, with end-to-end ownership of critical network and security services. This includes LAN, WAN, wireless, internet, DNS/DHCP, firewalls, remote access, monitoring, and IT/OT connectivity, with a strong focus on reliability, cybersecurity, scalability, standardization, and business continuity. Own the end-to-end architecture and technical roadmap for the Fabrinet plant network, aligned with business, manufacturing, security, and global IT standards Assess the current environment and define a phased modernization plan covering capacity, resilience, lifecycle risks, technical debt, and migration priorities Design and implement highly available LAN, WAN, SD-WAN, wireless, internet, DNS/DHCP, firewall, remote-access, and load-balancing solutions Develop secure IT/OT network segmentation and connectivity patterns that protect manufacturing systems while enabling approved business services Lead network implementation, migration, validation, and cutover activities with minimal impact to production operations Establish redundancy, failover, backup, recovery, and capacity measures that meet agreed availability and business-continuity requirements Own major and priority incidents through resolution, providing permanent fixes or effective workarounds and clear stakeholder communication Perform root-cause and problem analysis, document corrective and preventive actions, and eliminate recurring design or operational weaknesses Plan and execute requests and changes in accordance with ITIL, security, testing, approval, rollback, and plant maintenance-window requirements Implement proactive monitoring, alerting, performance management, configuration control, and reporting for critical network services Define and enforce network security standards, conduct regular assessments, and remediate vulnerabilities and compliance gaps Coordinate with manufacturing site team , cybersecurity, application, infrastructure, facilities, and global network teams to deliver integrated solutions Manage technical engagement with OEMs, carriers, service providers, and L4 engineering teams, including escalation and service-performance follow-up Maintain architecture diagrams, configurations, operational procedures, support handover documents, asset records, and management reports Ability to work in flexible hours when required to meet business and operational demands. Provide technical leadership, mentor support teams, and identify automation and emerging technologies that improve reliability and operational efficiency Bachelor’s or engineering degree in Telecommunications, Information Technology, Computer Science, or a related field, with more than 5+ years of experience managing complex and business-critical network environments Proven experience designing and modernizing network architecture for manufacturing plants or other highly available operational environments Recent hands-on experience with routers, switches, SD-WAN, enterprise wireless, firewalls, remote access, virtualization, load balancers, and network management platforms Strong understanding of IT/OT segmentation, high-availability design, redundancy, disaster recovery, capacity planning, and secure plant connectivity Deep knowledge of TCP/IP, DNS, DHCP, ARP, STP, trunking, port channels, VRF, OSPF, IS-IS, BGP, VRRP, QoS, multicast, MPLS, IPsec, and TLS Hands-on experience with FortiGate and Palo Alto firewalls; experience with Zscaler SASE and relevant network or security certifications is highly desirable Strong diagnostic and root-cause analysis skills, supported by practical experience with monitoring, packet analysis, logging, performance, and security tools Knowledge of scripting, API integration, and AI/LLM-assisted network automation; ability to quickly learn Nokia routers, CLI commands, and deployment practices Working knowledge of ITIL incident, problem, change, configuration, and service-management processes Excellent English communication, stakeholder-management, and technical-leadership skills, with a customer-focused, accountable, and proactive approach in a global multicultural environment