Network Engineer - CCNA

Greenman-Pedersen, Inc.

Location: Westbury, NY 11568, US
Employment Type: FULL_TIME
Industry: Advertising and Public Relations
Occupational Category: 15-0000.00 – Computer and Mathematics
Posted: Tuesday, 20 October 2026
Valid Through: Thursday, 19 November 2026

Job Description

Greenman-Pedersen, Inc. is hiring a Network Engineer - CCNA in Westbury, NY. This is a full-time position.

GPI is seeking a full time Network Engineer to support and report to the Traffic Management Center (TMC) in Westbury, NY. This is a 24/7 operations center responsible for managing more than 1, 000 traffic signals and monitoring 125+ traffic cameras across the County. In this role, you will serve as the technical expert for the traffic communications network and the field Intelligent Transportation System (ITS) devices that enable real time traffic management. These systems include traffic signals, CCTV cameras, and supporting communications infrastructure. You will work on-site and collaborate closely with County staff, GPIs Project Manager, and a Deputy Network Engineer to ensure the secure, reliable, and efficient operation of a complex IP network. Do you value a company that puts employee satisfaction at the forefront of who they are? If so, GPI wants you! GPI is a multi-discipline engineering firm providing planning, design, and construction services for transportation infrastructure and building system projects throughout the United States for over 50 years. Ranked in the Top 100 Firms by Engineering News Record, GPI is a forward-thinking, innovative firm with a culture committed to excellence and fosters staff empowerment. For more information, visit: www.gpinet.com Responsibilities: Perform daily monitoring and maintenance of the Traffic Communications NetworkTroubleshoot network issues affecting both office and field-deployed equipmentAssign and manage IP addresses and VLANsMaintain accurate inventory of network assetsConfigure, operate, maintain, and upgrade network infrastructureSupport network security best practices and system hardeningIntegrate new network and ITS assets into the existing environmentProvide hands-on technical support for traffic signal, CCTV, and communications systems Required Qualifications: Bachelors degree in Computer Science, Computer Engineering, or Information TechnologyCurrent Cisco CCNA certificationStrong experience with network troubleshootingAbility and willingness to work on site at the Nassau County TMC in Westbury, NYAvailability to support assigned weekday shifts (7: 00 AM 4: 00 PM or 10: 00 AM 7: 00 PM) Preferred Qualifications: CCNP Enterprise certification (current or actively working toward)Experience installing and configuring Cisco Catalyst switchesExperience configuring Cisco ASA firewallsWorking knowledge of TCP/IP, SNMP, and multicast video

Education Requirements

high school

Skills

Please see the job description for required or recommended skills.

Benefits

Please see the job description for benefits.

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Index requested: 10/20/2026 18:25:26 • Indexed: 10/20/2026 18:25:26