Network Administrator

Job DescriptionJob Description

Network Administrator

Location: Phoenix, AZ 
Employment Type: Direct Hire
Compensation: Based on experience ($85K - $100K annual base salary + benefits)
Eligibility: US or Green Card Holder

We’re hiring a Network Administrator to manage the full lifecycle of enterprise campus, data center, and cloud networks. This role supports distributed partner environments and ensures high availability, performance, and security across LAN/WAN/WLAN infrastructure.

Core Skills & Taxonomy Tags

Network Architecture & Engineering

Tags: Network Design, LAN, WAN, WLAN, MPLS, SD-WAN, Campus Networking, Data Center Networking, Cloud Networking, Network Lifecycle Management

• Design, implement, and support MPLS-based campus networks
• Integrate data center and cloud networking solutions
• Lead redesigns, upgrades, and lifecycle planning

Routing, Switching & Protocols

Tags: Routing, Switching, TCP/IP, DNS, SMTP, EIGRP, OSPF, BGP, VXLAN, ACI

• Configure and troubleshoot complex Layer 2/Layer 3 environments
• Perform packet capture and advanced network diagnostics

Network Security & Access

Tags: Firewalls, VPN, Network Security, Secure Remote Access, Load Balancing, High Availability

• Manage firewall platforms and VPN solutions
• Support load balancing and failover configurations
• Ensure 24/7 network availability and performance

Technologies:
Cisco Catalyst/Nexus, Arista, Aruba, Extreme Wireless
Cisco ASA/Firepower, Palo Alto, SonicWall
F5, Citrix
Cisco Catalyst Center, SD-WAN platforms, AWS networking

Operations & Collaboration

Tags: Network Monitoring, Incident Response, Root Cause Analysis, Vendor Management, Mentorship, Technical Documentation

• Monitor and troubleshoot enterprise environments
• Collaborate with vendors and stakeholders on solution design
• Mentor junior network administrators
• Participate in on-call rotation and after-hours support

Qualifications

• 3+ years of professional network administration experience
• Bachelor’s degree in Computer Science, Information Systems, or related field (or equivalent experience)
• Strong routing & switching expertise in campus/data center environments

Certifications:
CCNA | ITIL Foundation | AWS Certified Cloud Practitioner

Work Environment

Hybrid role (majority on-site). Participation in on-call rotation required. Frequent inter-campus travel.

If you’re a technically strong, hands-on network professional who thrives in complex, multi-site environments and enjoys both design and troubleshooting, we’d love to connect.

"We are GTN – The Go To Network."

Company DescriptionWho We Are
GTN is the leader in technical staffing, leveraging innovation to drive next- recruiting to Fortune 2000 companies.

What We Do
We provide Scalable Technical Staffing solutions encompassing SOW, staff augmentation, and direct hire placement for Fortune 2000 companies, with niche service offerings in Cyber Security, Digital, Field Services, and Professional Services. Our recruiting teams are specialized, certified, and have endured rigorous technical boot camps and ongoing required educational courses and meetups.

What Proof We Have
We have experience in scalable IT Staffing since the year 2000. Our IT experts have helped Fortune 2000 corporations embrace the cybersecurity and digital space, with many of our experts remaining on contract with clients for 8+ years. Our staffing experts have been engaged to speak at cybersecurity conferences, and our teams are certified and specialize in divisions focused around cyber, digital, field, and professional services.

Why People Want It
Our valueCompany DescriptionWho We Are\r\nGTN is the leader in technical staffing, leveraging innovation to drive next- recruiting to Fortune 2000 companies.\r\n\r\nWhat We Do\r\nWe provide Scalable Technical Staffing solutions encompassing SOW, staff augmentation, and direct hire placement for Fortune 2000 companies, with niche service offerings in Cyber Security, Digital, Field Services, and Professional Services. Our recruiting teams are specialized, certified, and have endured rigorous technical boot camps and ongoing required educational courses and meetups.\r\n\r\nWhat Proof We Have\r\nWe have experience in scalable IT Staffing since the year 2000. Our IT experts have helped Fortune 2000 corporations embrace the cybersecurity and digital space, with many of our experts remaining on contract with clients for 8+ years. Our staffing experts have been engaged to speak at cybersecurity conferences, and our teams are certified and specialize in divisions focused around cyber, digital, field, and professional services.\r\n\r\nWhy People Want It\r\nOur value