IT Network Engineer

Location: Mastic

Nature and Scope The IT Network Engineer is responsible for contributing to the design, implementation, maintenance, monitoring, and support of ARI’s enterprise network infrastructure and related communication technologies. This role helps ensure the availability, performance, reliability, scalability, and security of Local Area Networks (LAN), Wide Area Networks (WAN), wireless networks, cloud connectivity, and communication systems across all company locations.

The position supports and helps manage mission-critical network technologies, including data network infrastructure, enterprise network design and architecture, next-generation firewalls (Palo Alto and Cisco), Cisco Nexus backbone switches, Cisco ASR and ISR edge routers, VPN and MFA solutions, MPLS data circuits, voice and data communications, wireless infrastructure, virtualization platforms, and enterprise phone systems.

The IT Network Engineer works collaboratively with Cybersecurity, Infrastructure, Applications, and business teams to deliver secure, resilient, and reliable network services that support business operations, regulatory and compliance requirements, and organizational growth.

This position is located in Shirley, NYEssential Duties and Responsibilities Nothing in this job description restricts management’s right to assign or reassign duties and responsibilities to this job at any time. Network Infrastructure ManagementoSupport Data Networks to all facilities (NY, OH, CA, and Altkirch).oResponsible for assisting with the design & architecture of the enterprise data network.oAssist in implementing, maintaining, and optimizing the enterprise network infrastructure.o

Configure and administer Nexus/Catalyst switching core (Trunking/VPC/LACP).oConfigure and administer WAN connectivity with ELINE/MPLS utilizing IPSEC mesh and dynamic routing.oConfigure and administer Cisco Voice (CUCM/CUC/CUCX) add, moves, changes, upgrades, integrations.oConfigure, administer, and monitor Corporate Firewalls (ASA, Palo Alto). oConfigure and support routers, switches, firewalls, wireless controllers, VPN solutions, and load balancers.oMonitor network performance and capacity to ensure optimal operation and availability.o

Support network expansion projects and infrastructure modernization initiatives.oMaintain inventory of network infrastructure equipment.oMaintain network diagrams, standards, procedures, and technical documentation. Network SecurityoAssist in Implementing and maintaining secure network architectures and connectivity solutions.oConfigure and manage network security controls, including firewalls, VLANs, NAC, IDS/IPS, and remote access technologies.oCollaborate with cybersecurity teams to remediate vulnerabilities and support security initiatives.o

Assist with incident response investigations and security event analysis.oEnsure compliance with applicable corporate security policies and industry regulations.

Operations and SupportoAssist with the installation, configuration and maintenance of the organization’s LAN - Network Security Hardware/Software.oConfigure and administer Enterprise Wireless (SSIDs, VLAN tagging, Security policies).oApply fixes / patches to Network Hardware / Software on an as needed basis.oSupport the management of all Enterprise Communications - VPN, MPLS Data Circuits and all voice & data Communications.oSupport and administer the corporate telephony infrastructure including but not limited to the Cisco Phone Switch and telephony devices.o

Support and administer VPN, Wireless, and Virtualization.oProvide technical support for network-related incidents and service requests.oTroubleshoot complex network performance, connectivity, and hardware issues.oPerform root cause…