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Senior Network Engineer Cisco ONS & Network Automation - 12+ years of experience

ACS Consultancy Services, Inc.New York, NY🇺🇸United StatesPosted Sep 25, 2026

Quick Overview

Seniority
Mid Senior
Work mode
On Site
Location
New York, NY, United States
Posted
1 week ago
FiberTCP/IPAnsibleBashDNSGitPowerShellPuppetPythonTerraform

Job Description

Job Title : Senior Network Engineer Cisco ONS & Network Automation - 12+ years of experience

Location: New York, NY (onsite)

We are currently seeking candidates who meet the following qualification

Mandatory Qualifications
  • Extensive hands-on experience as a Senior Network Engineer with strong Cisco Optical Network Solutions (ONS) knowledge.
  • Strong experience with:
    • Cisco Catalyst routing/switching
    • Cisco Nexus routing/switching
    • Cisco ASR routing
    • BGP, including IBGP and EBGP
  • Serve as a senior escalation point for complex enterprise networking issues and mentor junior engineers.
  • Implement and operate core services across:
    • Routing and switching
    • Wireless LAN
    • WAN/MAN
    • Firewalls
    • Load balancers
    • IPAM
    • Optical systems
  • Provide packet capture support and analyze network traffic flows.
  • Drive network automation and standardization using configuration templates, network-as-code, and centralized management.
  • Provide Cisco ONS engineering support, including:
    • Working with Cisco TAC to troubleshoot and resolve ONS issues
    • Traveling to CUNY NYC locations to replace ONS hardware
    • Installing new ONS hardware and cabling
    • Supporting fiber cabling troubleshooting, cleaning, and replacement
  • Perform structured root cause analysis for recurring or high-impact incidents and recommend corrective actions.
  • Develop and maintain automation using tools such as Ansible, Terraform, Puppet, Python, Bash, PowerShell, GitHub/Git, or similar platforms.
  • Build repeatable automation workflows for configuration backup, compliance checks, drift detection, device validation, provisioning, and low-risk network changes.
  • Participate in the development of a phased Network-as-Code approach, including source-of-truth alignment, configuration validation, peer review, automated testing, and controlled deployment.
  • Work closely with DevOps, DevSecOps, security, cloud, systems, and application teams to integrate network automation into broader enterprise workflows.
  • Intermediate skills in Cisco and Meraki Wi-Fi technologies.
  • Strong understanding of routing, switching, and IP subnetting.
  • Solid understanding of TCP/IP, VLANs, routing, switching, subnetting, BGP, OSPF/EIGRP, DNS, DHCP, NAT, VPN, wireless, datacenter technologies, and firewall concepts.
  • Perform field replacements of failed equipment on the ONS-based optical network as required.
Key Responsibilities
  • Operate and support Cisco technologies, including ONS, Catalyst, Nexus, ASR, Aironet, and Meraki Wi-Fi solutions.
  • Support LAN, WAN, and cloud connectivity.
  • Develop MOPs, submit changes through ServiceNow, and implement approved changes.
  • Perform network troubleshooting, trouble isolation, and trouble correction.
  • Provide occasional field services across CUNY sites in the five boroughs to replace failed ONS modules.
  • Respond to incidents and manage trouble tickets through resolution and closure.
  • Provide network-level support to campus IT and infrastructure teams.
  • Manage Cisco TAC support and coordinate vendor and carrier circuit repairs.
  • Respond to network incidents and priorities as determined by CUNY.
  • This role has onsite requirements
    If you meet these qualifications, please submit your application via link provided in Linkedin
    Kindly do not call the general line to submit your application.

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