Network Infrastructure Engineer - NIE25-18479

Job Title: Network Infrastructure Engineer
Location: New York, NY 10007
Duration: 24 Months
Job Type: Contract

Position Overview:

We are seeking an experienced Network Infrastructure Engineer to join a dynamic IT operations team supporting the upgrade and maintenance of enterprise network and telecommunications infrastructure. This role involves hands-on implementation and troubleshooting of Cisco-based technologies, wireless networks, and VoIP systems across multiple locations throughout New York City. The ideal candidate will have a strong background in network engineering, the ability to work independently, and excellent customer-facing communication skills.

Key Responsibilities:

• Collaborate with infrastructure and telecommunications leads to implement and troubleshoot wireless solutions (Cisco and Meraki)

• Configure and support Cisco Catalyst and Nexus switches, Cisco VoIP systems, and related technologies

• Implement routing and switching protocols such as EIGRP, BGP, TCP/IP, STP, VTP, QoS, ACLs, and others

• Deploy and manage network security technologies including firewalls, IPSec, RADIUS, PKI, and VPN certificates

• Conduct data gathering and site surveys for VoIP deployment readiness at multiple physical locations

• Design LAN configurations that consider legacy systems and upgrade requirements

• Oversee physical installation of network equipment including racking, cabling, and power setup

• Maintain detailed asset inventories and documentation of deployments

• Provide network design recommendations following Cisco best practices

• Participate in project planning, maintenance scheduling, and change control processes

• Travel to various NYC sites for hardware deployment, troubleshooting, and upgrades

• Utilize network analysis tools such as Wireshark, NetFlow, TCPDUMP, and Syslog for performance monitoring and diagnostics

• Manage and operate Cisco Firepower, Cisco DNA Center, and Stealthwatch platforms

• Support systems across multiple operating systems, including Windows, macOS, and Linux

• Create and maintain documentation including network diagrams, methods of procedure (MOPs), and support materials

• Conduct security and performance assessments; recommend and implement optimization solutions

• Provide off-hours support as needed during critical incidents or project rollouts

Required Qualifications:

• Minimum 12 years of professional experience in a network engineering or technician role

• Proven expertise in complex routing and switching environments

• Hands-on experience with Cisco Meraki, Cisco Firewalls, Cisco DNA Center, and Stealthwatch

• Strong independent work ethic and initiative

• Ability to perform physical tasks related to installation and cabling

• Proficiency with network patching and firmware upgrades

• Strong troubleshooting, analytical, and customer service skills

• Excellent interpersonal communication and collaboration in client-facing environments

Preferred Skills (Not Mandatory):

• Experience with Cisco WLAN, VPNs, and wireless router configurations

• Understanding of Meraki Wi-Fi deployments and wireless certificate configurations

• Familiarity with ITIL processes, including incident, change, and problem management

• Active CCNA certification is preferred