Senior Network Engineer

Work Schedule

Standard (Mon-Fri)

Environmental Conditions

Office

Job Description

As part of the Thermo Fisher Scientific team, you’ll discover meaningful work that makes a positive impact on a global scale. Join our colleagues in bringing our Mission to life every single day to enable our customers to make the world healthier, cleaner and safer. We provide our global teams with the resources needed to achieve individual career goals while helping to take science a step beyond by developing solutions for some of the world’s toughest challenges, like protecting the environment, making sure our food is safe or helping find cures for cancer.

What will you do? 

• Lead the design, implementation, and integration of enterprise network solutions, ensuring scalability, resiliency, security, and operational excellence.
• Own and drive delivery of strategic initiatives aligned with the network architecture roadmap.
• Serve as a senior technical authority for Routing & Switching, SD-WAN, Wireless, Firewalls, Load Balancers (e.g., F5), Z-Scaler, IPAM and Cloud networking technologies.
• Evaluate, test, and certify new software images and network technologies to ensure secure, stable deployment across the enterprise.
• Establish, maintain, and audit network configuration standards to ensure consistency, compliance, and performance optimization.
• Provide technical leadership and mentorship to NOC and Solution Engineering teams; deliver formal and ad hoc training to elevate team capability.
• Act as an escalation point for complex network incidents, providing root cause analysis and long-term remediation strategies.
• Lead optimization and strategic utilization of network monitoring and observability platforms including SolarWinds, Catalyst Center, ThousandEyes, Scrutinizer, and Splunk.
• Define monitoring standards and recommend enhancements based on site-specific requirements, risk profiles, and business criticality.
• Maintain logical and physical site diagrams, infrastructure risk registries while overseeing site-related projects, requests, and incidents
• Review and approve global network changes to ensure alignment with architecture standards and enterprise policies.
• Collaborate cross-functionally to champion network initiatives and align infrastructure strategy with broader organizational goals.
• Serve as liaison with vendors and technology partners to drive performance, innovation, and issue resolution.
• Support annual operating planning (AOP), budget planning, hardware lifecycle management, disaster recovery exercises, security assessments, and audit activities.
• Lead meetings, workshops, and cross-site coordination efforts to strengthen collaboration and knowledge sharing.

Qualifications

• Bachelor’s degree in Information Technology, Computer Science, or related field (or equivalent practical experience).
• 7+ years of progressive experience in network engineering within a complex enterprise environment.
• Advanced expertise in: Routing & Switching, SD-WAN, Wireless networking, Firewalls, Load Balancers (F5 or similar), Zero Trust Networks, Cloud networking architectures
• Deep hands-on experience with monitoring and management tools including BlueCat, Zabbix, SolarWinds, Catalyst Center, ThousandEyes, Scrutinizer, and Splunk.
• Strong understanding of network architecture design principles, high availability, redundancy models, and performance optimization.
• Demonstrated ability to lead technical initiatives and mentor engineers in a collaborative team environment.
• Proven experience troubleshooting and resolving complex, enterprise-scale network issues.
• Experience managing site-specific documentation, infrastructure risk tracking, and multi-site coordination.
• Excellent written and verbal communication skills with the ability to present complex technical concepts to technical and non-technical stakeholders.
• Strong organizational skills with exceptional attention to detail.
• Relevant certifications (e.g., CCNP or higher) preferred.