Inperson Interview_ Network L3 – Network Routing & Switching_New York

Themesoft Inc; New York (NY); Presencial; USD 96.000 - 152.000; Jornada completa

Descripción de la vacante

The Themesoft Inc team seeks an L3 Network Engineer with 10+ years of enterprise networking experience in routing and switching, SD-Access, DNAC, VXLAN, and IoT networking. You will work with Cisco and Arista platforms, troubleshoot complex issues, and collaborate with security and IoT teams.

The role emphasizes hands‑on expertise and lab development for IoT connectivity, with onsite interview rounds in New York and a contract duration of 6-12 months.

Formación

• 10+ years of enterprise network engineering experience.
• Strong expertise in Routing & Switching, BGP, OSPF.
• Hands‑on experience with Cisco and/or Arista platforms.
• Strong experience with Cisco SD-Access (SDA), DNA Center (DNAC), and VXLAN – Mandatory.
• Experience with Cisco ISR, ASR1K, ASR9K, Catalyst 9K, and Nexus 9K.
• Strong knowledge of IGMPv2/v3, PIM, Static RP, and RP-Anycast.
• Experience with IPsec, DMVPN, VXLAN, SD-WAN, SDA, and MACsec.
• Experience with IoT deployment, IoT communication protocols, and troubleshooting IoT connectivity.
• Knowledge of Cisco ISE, 802.1X/NAC, TrustSec, TACACS, DNS, and DHCP.
• Understanding of 10G/25G/40G/50G/100G optics, breakout cables, and panels.
• CCIE Lab Certification – Mandatory.
• Ansible knowledge – Good to have.

Responsabilidades

• Design, implement, and troubleshoot enterprise routing and switching environments.
• Develop and support lab frameworks for connecting IoT endpoints to campus/branch networks.
• Test and validate network hardware, software features, endpoint functionality, and IoT communication scenarios.
• Configure and troubleshoot SD-Access, DNAC, VXLAN, NAC/802.1X, and TrustSec environments.
• Troubleshoot complex network connectivity, routing, switching, and IoT-related issues.
• Collaborate with network engineering, IoT, security, and other cross‑functional teams.
• Prepare technical documentation and provide timely status reports.

Conocimientos

Routing & Switching

BGP

OSPF

VXLAN

DNAC

SDA

Cisco

Arista

IoT networking

IPsec

Cisco ISE

10G optics

CCIE Certification

Ansible

Educación

CCIE Lab Certification

Herramientas

Ansible

Descripción del empleo

Inperson Interview_ Network L3 – Network Routing & Switching_New York

Job Id : OOJ - 27319

Posted Date : 09/29/2026

Experience : 10-10

Job Type : Contractual

Location : New York, NY

Overview

Location: New York - Hybrid – Face 2 Face Round of Interview- Locals

Work Arrangement: Onsite

Employment Type: Contract

Contract Duration: 6-12 Months

Job Summary

We are seeking a highly experienced L3 Network Engineer with 10+ years of enterprise networking experience and strong expertise in Routing & Switching, SD-Access, DNAC, VXLAN, and IoT networking. The candidate should have strong hands‑on experience with Cisco/Arista platforms and complex network troubleshooting.

Required Skills

• 10+ years of enterprise network engineering experience.
• Strong expertise in Routing & Switching.
• Excellent knowledge of BGP, OSPF, STP, and Multicast.
• Hands‑on experience with Cisco and/or Arista platforms.
• Strong experience with Cisco SD-Access (SDA), DNA Center (DNAC), and VXLAN – Mandatory.
• Experience with Cisco ISR, ASR1K, ASR9K, Catalyst 9K, and Nexus 9K.
• Strong knowledge of IGMPv2/v3, PIM, Static RP, and RP-Anycast.
• Experience with IPsec, DMVPN, VXLAN, SD-WAN, SDA, and MACsec.
• Experience with IoT deployment, IoT communication protocols, and troubleshooting IoT connectivity.
• Knowledge of Cisco ISE, 802.1X/NAC, TrustSec, TACACS, DNS, and DHCP.
• Understanding of 10G/25G/40G/50G/100G optics, breakout cables, and panels.
• CCIE Lab Certification – Mandatory.
• Ansible knowledge – Good to have.

Key Responsibilities

• Design, implement, and troubleshoot enterprise routing and switching environments.
• Develop and support lab frameworks for connecting IoT endpoints to campus/branch networks.
• Test and validate network hardware, software features, endpoint functionality, and IoT communication scenarios.
• Configure and troubleshoot SD-Access, DNAC, VXLAN, NAC/802.1X, and TrustSec environments.
• Troubleshoot complex network connectivity, routing, switching, and IoT-related issues.
• Collaborate with network engineering, IoT, security, and other cross‑functional teams.
• Prepare technical documentation and provide timely status reports.

Work Authorization

Applicants must be legally authorized to work in the United States.

Equal Employment Opportunity

Themesoft Inc is an Equal Employment Opportunity employer. We consider qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other status protected by applicable federal, state, or local law.

Skills

VXLAN,TROUBLESHOOTING,TACACS,ANSIBLE,DHCP,SWITCHING,OSPF