Network Engineer

Job DescriptionJob Description

Network Engineer

Highlights 

Location: Phoenix, AZ (Hybrid – Primarily Onsite)
Position Type: Direct Hire
Compensation: Based on experience
Work Authorization: US or Green Card Holder Only

Overview

Our client is seeking a highly skilled Network Engineer to support and enhance enterprise, campus, data center, and distributed partner network environments. This role is responsible for the full lifecycle of LAN, WAN, WLAN, SD-WAN, cloud networking, and network security architecture, ensuring high availability, scalability, and performance across complex infrastructures.

The ideal candidate brings strong expertise in routing and switching, MPLS-based campus networks, cloud integration, firewall administration, and advanced network troubleshooting, along with the ability to collaborate cross-functionally and mentor junior team members.

Key Responsibilities

Network Design & Architecture

• enterprise LAN, WAN, and WLAN infrastructure Design, implement, and optimize , including MPLS-based campus environments and hybrid cloud networking integrations.
• Develop scalable solutions for data center networking, including technologies such as VXLAN and ACI.
• Support SD-WAN deployments and cloud-based network services.

Network Operations & Troubleshooting

• Manage and troubleshoot complex environments involving routing protocols (EIGRP, OSPF, BGP), TCP/IP, DNS, SMTP, MPLS, and SD-WAN.
• Administer and maintain switching, wireless, VPN, firewall, and load balancing technologies.
• Perform advanced diagnostics using network monitoring tools, packet capture analysis, and performance management platforms.
• Participate in on-call rotation to ensure 24/7 network availability, incident response, and service restoration.

Security & Infrastructure Management

• Configure and support next- firewalls including Cisco ASA/Firepower, Palo Alto, and SonicWall.
• Manage secure VPN technologies and remote access solutions.
• Maintain network segmentation, policy enforcement, and secure connectivity across distributed environments.

Hardware & Platforms

• Support enterprise network hardware including Cisco Catalyst and Nexus, Arista, Aruba, and Extreme Wireless platforms.
• Configure and maintain Citrix and F5 load balancers.
• Utilize Cisco Catalyst Center, SD-WAN platforms, and cloud networking tools to manage infrastructure.

Collaboration & Leadership

• Partner with internal IT teams, campus stakeholders, and external vendors to gather requirements, develop network solutions, and execute infrastructure projects.
• Contribute to network lifecycle planning, documentation, and capacity management strategies.
• Mentor junior network administrators and share technical expertise to strengthen team capabilities.

Required Qualifications

• Bachelor’s degree in Computer Science, Information Systems, or related technical field, plus 5+ years of professional experience in network engineering or network administration, OR equivalent combination of education and experience.
• Demonstrated experience managing enterprise-scale routing, switching, wireless networking, and network security environments.
• Strong troubleshooting and analytical skills within complex multi-site infrastructures.

Technical Expertise

• Advanced knowledge of routing and switching protocols, including EIGRP, OSPF, BGP, MPLS, and SD-WAN.
• Experience with campus and data center networking technologies such as VXLAN and Cisco ACI.
• Hands-on expertise with packet capture tools, network performance monitoring, and infrastructure diagnostics.
• Familiarity with cloud networking platforms (AWS or equivalent).



Certifications ()

• Cisco CCNP or CCNA
• ITIL Foundation Certification
• AWS Certified Cloud Practitioner

Work Environment & Physical Requirements

• Hybrid schedule with the majority of work performed on-site in Phoenix, Arizona.
• Frequent inter-campus travel; occasional regional travel.
• Physical activities may include standing, walking, lifting, bending, and equipment handling.
• Work performed in both indoor and outdoor environments, with potential exposure to temperature changes and equipment noise.

"We are GTN – The Go To Network"

Company DescriptionGTN is the leader in SOW management & technical staffing, leveraging innovation to drive next- recruiting to Fortune 200 companies.Company DescriptionGTN is the leader in SOW management & technical staffing, leveraging innovation to drive next- recruiting to Fortune 200 companies.