Sr. Network Engineer

Be an essential element to a brighter future. 

We work together to transform essential resources into critical ingredients for mobility, energy, connectivity and health. Join our values-led organization committed to building a more resilient world with people and planet in mind. Our core values are the foundation that make us successful for ourselves, our customers and the planet. 

The Senior Network Engineer is a senior technical role responsible for the reliability, security, lifecycle, and strategic direction of the company’s corporate network across the global enterprise. The role includes enterprise firewall management, monitoring, troubleshooting which adhere to our standards and governance.  This role provides hands-on engineering and operational support, and partners with a globally distributed virtual team to deliver secure, resilient, and scalable network services.

This position requires proven experience, strong technical depth, platform ownership, sound operational judgment, and the ability to guide engineers, service providers, and business partners through complex changes and incidents across multiple regions and time zones.

• Design, implement, support, and optimize enterprise LAN, WAN, WLAN, Cloud, and network security services.
• Engineer routing, switching, segmentation, and connectivity solutions that support business requirements while maintaining security, resiliency, and operational simplicity.
• Contribute to the firewall platform strategy, architecture, engineering standards, lifecycle roadmap, and operational health across the global enterprise.
• Serve as a technical escalation point for firewall architecture, policy design, network segmentation, remote-access and site-to-site VPN services, threat prevention, logging, and centralized management.
• Troubleshoot complex network and application-connectivity issues using packet capture, flow analysis, logs, telemetry, and protocol-level diagnostics.
• Lead or contribute to global network projects, technology refreshes, site deployments, integrations, divestitures, and transformation initiatives.
• Monitor network capacity, availability, and performance; recommend improvements before service quality or business operations are affected.
• Create and maintain network diagrams, configuration standards, implementation plans, test plans, operational procedures, and support documentation.
• Participate in on-call or escalation to support high-severity incidents when required.

• Work effectively within a virtual network engineering team distributed across regions and time zones.
• Provide technical leadership, mentoring, and peer review without relying on direct reporting authority.
• Coordinate cross-region work, handoffs, maintenance activities, incident response, and knowledge transfer to support consistent global operations.
• Communicate complex technical topics clearly to engineers, cybersecurity teams, infrastructure partners, business stakeholders, and leadership.
• Build productive working relationships with internal teams, external partners, vendors, and contractors in a multicultural environment.

• Bachelor’s or associate degree in information technology, engineering, computer science, or a related discipline, or equivalent relevant experience.
• 7 or more years of progressive experience engineering and supporting enterprise-class networks in a large, multi-site environment.
• Demonstrated experience owning or leading an enterprise firewall platform, including architecture, operations, lifecycle management, standards, and governance.
• Advanced experience with next-generation firewalls and centralized management platforms; Fortinet, Cisco, Palo experience is highly preferred.
• Strong knowledge of firewall policy, security zones, network segmentation, NAT, VPN, IDS/IPS, logging, high availability, upgrades, and troubleshooting.
• Advanced enterprise routing and switching experience, including BGP, EIGRP or OSPF, VRF, VLAN, 802.1Q, spanning tree, QoS, and SD-WAN concepts.
• Hands-on experience with enterprise LAN, WAN, campus, branch, data center, and cloud connectivity and equipment in a global environment.
• Proven ability to lead complex technical changes and resolve high-impact incidents using disciplined change, incident, and problem-management practices.
• Strong written and verbal communication skills in English, with the ability to collaborate across cultures, functions, and time zones.

• CCNP Enterprise, CCNP Security, CCIE, FCA, FCP or comparable vendor certifications.
• Experience with Cisco Switching, Meraki, and Fortinet Firewalls.
• Experience working with globally distributed technical teams.
• Experience with complex routing design and segmentation.

• Ability to work across global time zones as business needs require.
• Ability to participate in planned after-hours maintenance and incident escalation.
• Ability to travel as needed.

• Platform ownership and accountability
• Technical leadership and influence
• Enterprise architecture and operational discipline
• Security and risk-based decision making
• Analytical troubleshooting and root-cause analysis
• Clear communication and documentation
• Global collaboration and cultural awareness
• Customer focus, prioritization, and sound judgment