Network Engineer

Robert Half is hiring! We are looking for an experienced Network Engineer to support and strengthen a multi-site networking environment in Greenville, South Carolina. This position plays a key role in building reliable connectivity across corporate, plant, remote, and cloud-based operations while maintaining strong security and performance standards. The ideal candidate brings deep expertise in enterprise routing, wireless infrastructure, firewalls, cloud networking, and voice-related troubleshooting within a complex production-focused organization.Responsibilities:• Build, configure, and sustain enterprise network infrastructure spanning on-premises, wireless, cloud, and hybrid environments across multiple facilities.• Oversee routing and connectivity services using Cisco networking technologies to ensure stable and efficient communication between sites and systems.• Manage Meraki switching and wireless environments, including segmentation strategy, access point performance, VLAN configuration, and day-to-day issue resolution.• Administer Palo Alto firewall platforms by maintaining security rules, remote access connectivity, VPN services, and threat protection capabilities.• Plan and support SD-WAN connectivity linking offices, manufacturing locations, remote operations, and cloud platforms.• Track network health through performance monitoring, capacity review, failover validation, traffic analysis, and resiliency planning.• Support Microsoft Azure and Microsoft 365 networking by designing secure cloud connectivity, hybrid network architecture, and associated security controls.• Diagnose and resolve advanced issues affecting voice and unified communications, including latency, packet loss, jitter, audio quality, and QoS behavior.• Contribute to cybersecurity operations through network segmentation, access control, vulnerability remediation, security event review, and participation in incident recovery planning.• Maintain accurate technical documentation and lead infrastructure initiatives such as upgrades, vendor coordination, standards development, and new site deployments.