IT Network Engineer

Nature and Scope

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.

Nothing in this job description restricts management’s right to assign or reassign duties and responsibilities to this job at any time.

• Support Data Networks to all facilities (NY, OH, CA, and Altkirch).
• Responsible for assisting with the design & architecture of the enterprise data network.
• Assist in implementing, maintaining, and optimizing the enterprise network infrastructure.
• Configure and administer Nexus/Catalyst switching core (Trunking/VPC/LACP).
• Configure and administer WAN connectivity with ELINE/MPLS utilizing IPSEC mesh and dynamic routing.
• Configure and administer Cisco Voice (CUCM/CUC/CUCX) add, moves, changes, upgrades, integrations.
• Configure, administer, and monitor Corporate Firewalls (ASA, Palo Alto).
• Configure and support routers, switches, firewalls, wireless controllers, VPN solutions, and load balancers.
• Monitor network performance and capacity to ensure optimal operation and availability.
• Support network expansion projects and infrastructure modernization initiatives.
• Maintain inventory of network infrastructure equipment.
• Maintain network diagrams, standards, procedures, and technical documentation.

• Assist in Implementing and maintaining secure network architectures and connectivity solutions.
• Configure and manage network security controls, including firewalls, VLANs, NAC, IDS/IPS, and remote access technologies.
• Collaborate with cybersecurity teams to remediate vulnerabilities and support security initiatives.
• Assist with incident response investigations and security event analysis.
• Ensure compliance with applicable corporate security policies and industry regulations.

• Assist with the installation, configuration and maintenance of the organization’s LAN - Network Security Hardware/Software.
• Configure and administer Enterprise Wireless (SSIDs, VLAN tagging, Security policies).
• Apply fixes / patches to Network Hardware / Software on an as needed basis.
• Support the management of all Enterprise Communications - VPN, MPLS Data Circuits and all voice & data Communications.
• Support and administer the corporate telephony infrastructure including but not limited to the Cisco Phone Switch and telephony devices.
• Support and administer VPN, Wireless, and Virtualization.
• Provide technical support for network-related incidents and service requests.
• Troubleshoot complex network performance, connectivity, and hardware issues.
• Perform root cause analysis and implement preventive measures.
• Participate in on-call support and…