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Sr. Network Engineer - Cisco DNA

One IT CorpTulsa, OK🇺🇸United StatesPosted 21 Jul 2026

Why This Role Stands Out

This Sr. Network Engineer role at One IT Corp offers a fantastic opportunity to drive network modernization and automation using cutting-edge Cisco DNA Center technology. You'll thrive here if you possess deep expertise in Cisco routing, switching, and security, and are eager to contribute to impactful modernization initiatives within a collaborative team environment.

Quick Overview

Work Type
On Site
Level
Mid Senior

Job Description

Sr. Network Engineer in Tulsa, OK (4 days onsite)

Location: Tulsa, OK

Job duration: 6 months C2H / 6 months contract-to-hire

Interview: web and a F2F interview in Tulsa, OK

The Senior Network Engineer is responsible for designing, implementing, and maintaining advanced network solutions that meet business requirements. This role requires deep expertise across enterprise networking technologies and the ability to manage complex network environments while supporting modernization and transformation initiatives.

Responsibilities:

  • Design, develop, and manage Cisco DNA Center templates to support network automation and standardized deployments
  • Design and implement network segmentation strategies to improve security and performance
  • Lead network hardware modernization initiatives to ensure infrastructure alignment with current technologies
  • Plan and execute routing and switching refresh initiatives
  • Deploy and support Software Defined Wide Area Network solutions using Cisco and VeloCloud technologies
  • Configure, manage, and maintain Palo Alto firewalls to protect network infrastructure
  • Administer Infoblox solutions for DNS, DHCP, and IP address management
  • Troubleshoot complex network issues and provide root cause analysis
  • Collaborate with cross functional teams and communicate effectively with stakeholders

Qualifications:

  • Relevant industry certifications such as CCNP or CCNA or equivalent experience
  • Strong expertise with Cisco networking technologies including routes, switching, SD WAN, and network security
  • Hands on experience with Cisco DNA Center for automation and template management
  • Proficiency configuring and supporting Palo Alto firewalls
  • Experience using Infoblox for DNS, DHCP, and IP address management
  • Proven experience designing and implementing network segmentation strategies
  • Demonstrated success modernizing network hardware and infrastructure
  • Experience planning and executing routes and switch refresh projects
  • In depth knowledge of SD WAN solutions including Cisco and VeloCloud
  • Strong analytical, troubleshooting, and problem-solving skills
  • Excellent written and verbal communication skills
  • Supporting geographically disperse areas working with telecom and local operations

Preferred Qualifications:

  • Experience with network automation tools and scripting languages such as Python
  • Knowledge of network security best practices and implementation methodologies
  • Experience with network monitoring and management tools

Tools and Technologies:

  • Cisco DNA Center
  • Cisco routing and switching platforms
  • Cisco SD WAN
  • VeloCloud SD WAN
  • Palo Alto firewalls
  • Infoblox DNS DHCP and IP address management

Skills

DNS
Python

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