Network Engineer II

Your Role at Tessy

The Network Engineer is responsible for the design, implementation, security, reliability and day-to-day operation of Tessy Plastics’ enterprise network infrastructure across corporate, manufacturing and remote environments.

This position will provide senior-level technical leadership for Tessy’s routing, switching, wireless, firewalls, SD-WAN, network access control, VPN, voice and collaboration and related network technologies. The Network Engineer will ensure the network is secure, highly available, scalable and capable of supporting the company’s business and manufacturing operations.

The role will work closely with Information Services, Cybersecurity, Infrastructure, Automation, Engineering and business teams to design and maintain secure connectivity between traditional IT environments, manufacturing/OT systems, cloud services and remote locations.

The Network Engineer will also lead or participate in network projects, technology upgrades, troubleshooting, incident response, infrastructure improvements and the development of network standards and documentation. Occasional after-hours and weekend work may be required for planned maintenance, upgrades and critical incidents.

What You’ll Be Doing

• Design, implement, configure, maintain and troubleshoot enterprise LAN, WAN, wireless and network security infrastructure.
• Manage and support enterprise routing, switching, VLANs, subnetting, NAT, ACLs, routing protocols and network segmentation.
• Administer and maintain enterprise firewalls, VPN technologies, network security policies and secure remote connectivity.
• Monitor network availability, performance, capacity and security and proactively identify and resolve potential issues before they impact the business.
• Design and maintain highly available and redundant network solutions to maximize uptime and business continuity.
• Manage and support enterprise wireless infrastructure, including wireless controllers, access points, authentication, coverage and performance.
• Support and maintain SD-WAN and multi-site network connectivity, including coordination with telecommunications and Internet service providers.
• Support data center networking and related technologies, including core switching, network fabrics and high-speed connectivity.
• Support network access control and authentication technologies used to secure corporate and manufacturing environments.
• Work closely with Automation and Engineering teams to securely connect manufacturing and industrial systems to the enterprise network while maintaining appropriate IT/OT segmentation and security controls.
• Administer and support network-related voice and collaboration technologies, including VoIP, voice gateways, unified communications, conference room systems and related services.
• Support network services including DHCP, DNS, IP address management, network authentication and related infrastructure.
• Participate in cybersecurity initiatives involving network security, vulnerability remediation, firewall security, network segmentation, access control and incident response.
• Lead or participate in network upgrades, migrations, technology implementations, infrastructure refreshes and other network-related projects.
• Perform root-cause analysis for complex or recurring network issues and implement permanent corrective actions.
• Develop and maintain network standards, architecture documentation, network diagrams, configurations, operating procedures and troubleshooting runbooks.
• Maintain accurate records of network devices, IP addressing, VLANs, circuits, configurations and related infrastructure.
• Identify opportunities to automate network administration, monitoring, reporting, configuration and provisioning activities.
• Participate in change management, incident management, problem management and other IT service management processes.
• Work with vendors and service providers to troubleshoot issues, manage support cases, evaluate solutions and coordinate installations and upgrades.
• Assist with network disaster recovery and business continuity planning and participate in recovery testing.
• Provide technical leadership, mentoring and knowledge transfer to other members of the Information Services team.
• Provide senior-level escalation support for complex network incidents and problems.
• Maintain appropriate documentation for tickets, changes, projects and operational activities.
• Participate in an on-call r…