Network L3 Engineer- Routing & Switching

Purple Drive Technologies LLC
New York, United States of America
6 days ago

Role details

Contract type
Temporary to permanent
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Senior

Job location

New York, United States of America

Tech stack

Microsoft Access
IEEE 802.1X
Border Gateway Protocol
Spanning Tree Protocols
Catalyst
Communications Protocols
Computer Networks
Wavelength-Division Multiplexing
Dynamic Host Configuration Protocol
Dynamic Multipoint Virtual Private Networks
DNS
Internet Group Management Protocols
Internet Protocol Security (IP SEC)
Network Security
Network Troubleshooting
Multicasting
Network Segmentation
Cisco Nexus Switches
Open Shortest Path First
Ansible
SAP Sales and Distribution
Wide Area Networks
Computer Networking Systems
Identity Services Engine
Network Access Control
Computer Network Technologies
Data Analytics
Routing & Switching
TACACS+ Protocol
Open Network Automation Platform
Cisco networks

Job description

Network Engineering

  • Design, configure, and troubleshoot enterprise network infrastructure
  • Implement and manage Routing & Switching environments
  • Deploy and maintain SD-Access and VXLAN-based networks

IoT & Lab Development

  • Develop lab frameworks to integrate IoT endpoints with enterprise networks

  • Identify communication scenarios between edge and endpoint devices

  • Validate:

  • Hardware platforms

  • Software features

  • Endpoint functionality

Testing & Validation

  • Design and execute tests for:

  • Data collection

  • Aggregation

  • Analytics capabilities

  • Oversee network validation and certification activities

Security & Segmentation

  • Implement NAC, TrustSec, and network segmentation
  • Configure 802.1X authentication and access control policies

Collaboration & Governance

  • Work with cross-functional technical teams and stakeholders
  • Provide documentation, reporting, and status updates
  • Ensure adherence to quality and delivery timelines

Requirements

  • 8-10+ years of experience in enterprise networking
  • Senior-level expertise in Routing & Switching

Technical Skills Core Networking

  • Strong expertise in Routing & Switching (L2/L3)

  • Deep knowledge of protocols:

  • BGP, OSPF, Spanning Tree Protocol (STP)

  • Multicast (IGMPv2/v3, PIM, RP - Static & Anycast)

Networking Platforms

  • Hands-on experience with:

  • Cisco ISR, ASR1K, ASR9K

  • Catalyst 9K, Nexus 9K

  • Arista switches and platforms

SDN & Advanced Networking

  • SD-Access (SDA) - Mandatory

  • Cisco DNA Center (DNAC) - Mandatory

  • VXLAN - Mandatory

  • Knowledge of:

  • SD-WAN

  • DMVPN

  • IPSEC

  • MACSEC

Security & Access Control

  • Cisco ISE (Identity Services Engine)
  • 802.1X / NAC (Network Access Control)
  • TrustSec & network segmentation
  • TACACS+, DNS, DHCP

Automation & Tools

  • Ansible (Preferred)
  • Network automation exposure

Infrastructure

  • Cabling & optics:

  • 10G / 25G / 40G / 50G / 100G

  • Breakout cables and panels

Experience & Domain Knowledge

  • Strong hands-on experience in enterprise network environments
  • Experience with IoT deployments and communication protocols
  • Expertise in troubleshooting network connectivity for IoT devices/sensors
  • Proven experience in SD-Access deployment and support

Certifications

  • Cisco CCIE (Lab Certification) - Mandatory, * Strong communication skills (written & verbal)
  • Excellent stakeholder coordination
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