Network Infrastructure Engineer – Lumentum
We are looking for a skilled and detail-oriented Network Engineer to join our IT Infrastructure and Systems Engineering teams. This role focuses on designing, implementing, and maintaining secure and reliable network systems while supporting our infrastructure including servers, virtualization, and cloud environments.
Tasks
* Design, configure, and maintain enterprise-level LAN, WAN, SDWAN, and VPN solutions, including support for networking in cloud environments.
* Install and manage network equipment such as firewalls, routers, switches, SDWAN devices, and wireless controllers.
* Implement and enforce network security standards (e.g., network segmentation, firewall policies, IDS/IPS, VPN configuration).
* Monitor network traffic, performance, and availability using monitoring tools.
* Manage and update IPAM tools.
* Provide 2nd/3rd line support and troubleshooting of network issues, escalating as needed.
* Document system and network changes and maintain configuration standards and network CMDB.
* Primarily responsible for sites in EMEA while supporting the global network as part of the overall network team.
Requirements
* Bachelor’s degree in IT, Computer Science, or related field (or equivalent hands‑on experience).
* 1–3+ years of experience in network engineering and/or infrastructure systems administration.
* Expertise in Layer 2/3 networking, VLANs, routing protocols (OSPF, BGP), SDWAN, and VPNs.
* Strong understanding of firewalls, NAT, port security, and wireless networking.
* Experience with enterprise network vendors (Cisco, Meraki, F5, Palo Alto, etc.).
* Some experience in systems administration and virtualised environments.
* Familiarity with scripting and automation (PowerShell, Bash, etc.).
Preferred Certifications
* Cisco CCNA / CCNP
* CompTIA Network+ / Security+
* Microsoft Windows / Linux
* Palo Alto
* RedHat OpenShift
Soft Skills
* Strong analytical and troubleshooting abilities.
* Clear and professional communication skills.
* Ability to work independently and as part of a team.
* Detail-oriented with good documentation habits.
Benefits
Salary plus bonus plus stock.
Seniority Level
* Associate
Employment Type
* Full-time
Job Function
* Information Technology
* Semiconductor Manufacturing
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