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# Senior Network Engineer

- **Company:** Mettler-Toledo International Inc.
- **Location:** Mason, OH, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Wireless LAN, Border Gateway Protocol, Catalyst (Software), Cyber Security, Domain Name System (DNS), Python (Programming Language), Local Area Networks, Network Security, Network Architecture, Network Planning and Design, Network Administration, Cisco Nexus Switches, Open Shortest Path First (OSPF), Open Web Application Security, Ansible, SAP (Applications), Web Application Security, TCP/IP, Wide Area Networks, Web Applications, Network Routers, Computer Networking Systems, Identity Services Engine, Enterprise Software Applications, Infrastructure Automation Frameworks, Information Technology, Fortinet, Terraform, Cisco, Servicenow
- **Published:** October 22, 2026
- **Apply:** https://www.careerbuilder.com/job-details/senior-network-engineer-mason-oh--7ed0dc2f-6c8c-4282-9017-02b5ab1bd0a5

## About the Role

Network Architecture/Engineering, Research & Development (R&D), Network Administration/Management, Wireless LAN, Local Area Network (LAN), Wide Area Network (WAN), DNS (Domain Name System), Test Design, Test Plan/Schedule, Network Design, * Minimum 5 years of experience in large-scale network and security planning, including Cisco routing/switching and enterprise-grade security solutions (preferably Fortinet)

 * Excellent proficiency in English, both written and spoken
 * Bachelor's Degree in Computer Information Systems (or a related field), or equivalent experience
 * Strong knowledge of networking protocols such as TCP/IP, STP, DNS, OSPF, and BGP, along with hands-on experience with Cisco products including Catalyst and Nexus switches, routers, and ISE
 * Demonstrated ability to troubleshoot enterprise applications including SAP, hybrid web applications, and Microsoft Teams videoconferencing.
 * Solid understanding of HTTP/HTTPS protocols, web application security (OWASP Top 10), and DNS standards
 * Minimum either Cisco CCNP or equivalent knowledge.

## Description

The primary focus for this position is to capture business requirements towards enterprise-wide networking infrastructure across LAN, WAN, WLAN and Security and translate it into HLD/LLD. The network engineer is expected to troubleshoot and resolve complex problems related to network/security.

 * Point of Contact: Serve as the primary point of contact for the business that addresses unique business requirements, including production facilities and R&D environments.
 * Network Development: Design, test and develop enterprise-wide networking infrastructure across LAN, WAN, WLAN, security, and supporting systems such as DNS, IPAM, and AAA.
 * Security Enforcement: Enforce network security policies, firewall rulesets, and secure remote access protocols in collaboration with Cybersecurity teams to safeguard organizational assets.
 * MSP Collaboration: Collaborate with the Managed Service Provider (MSP) to maintain LAN, WAN, WLAN, security, and supporting systems such as DNS, IPAM, and AAA across all global regions.
 * Subject Matter Expert: Act as a Subject Matter Expert (SME) within the designated technical scope, driving continuous improvement initiatives, managing configuration, updating High-Level and Low-Level Designs (HLD/LLD), and providing expert consultancy to MSP and internal teams.
 * Process Optimization: Define, streamline, and optimize operational processes in partnership with MSP, the ServiceNow team, and other internal IT groups to enhance efficiency and service quality.
 * Automation Leadership: Lead automation efforts using tools such as Python, Ansible, and Terraform to implement Infrastructure-as-Code (IaC) practices and improve operational consistency.