IT Network Administrator III Hybrid (3 Days Onsite)

Location: Hybrid (3 days onsite per week)
Employment Type: Full-time, Exempt

About the Role

We are seeking an experienced Senior Network Administrator (Level III) to lead the design, architecture, implementation, and support of a large-scale hybrid network environment. This position serves as the top technical escalation point, provides mentorship to junior team members, and drives strategic improvements across on-prem and cloud infrastructure.

The ideal candidate has strong networking expertise, a continuous improvement mindset, hands-on experience with SD-WAN, and a proven ability to lead and execute complex projects.

Key Responsibilities

Architecture & Engineering

• Lead the planning, design, and implementation of enterprise network solutions across data centers, cloud, and remote sites.

• Architect and support hybrid environments connecting on-prem infrastructure to Azure.

• Develop long-term network strategies and evaluate emerging technologies.

• Perform advanced performance tuning, capacity planning, and optimization.

Operations & Support

• Serve as the highest level of technical escalation for network issues.

• Configure, maintain, and troubleshoot routers, switches, firewalls, and wireless systems (Cisco, Aruba, Palo Alto, Fortinet).

• Manage WAN/LAN/MAN connectivity including MPLS, ELAN, DIA, and LTE.

• Oversee DR/BCP networking strategies, redundancy planning, and hybrid failover.

Automation & Cloud

• Build automations using Python, PowerShell, Bash, and Ansible.

• Deploy infrastructure-as-code solutions with Terraform, ARM templates, or similar.

• Support cloud-native networking: VPCs, VNets, NSGs, route tables, firewalls, NAT gateways, load balancers, and Hub-Spoke architectures.

Documentation & Collaboration

• Create and maintain network diagrams, SOPs, runbooks, and asset inventories.

• Ensure documentation meets audit and compliance standards.

• Mentor junior network admins and support cross-functional teams.

• Communicate complex technical concepts clearly to both technical and non-technical stakeholders.

Core Technical Skills

Networking Hardware

• Cisco routers & switches (Catalyst, Nexus, ISR/ASR) Required

• Palo Alto firewalls Required

• Aruba wireless (Enterprise) Required

• Fortinet or Cisco ASA/Firepower Preferred

Networking Protocols

• BGP, OSPF, EIGRP Required

• Static routing & PBR Required

• VLAN & STP design Required

• TCP/IP, MPLS, DNS, DHCP, SNMP Required

• VPN (IPSec, SSL) Required

• QoS, network segmentation, Zero Trust Required

• 802.1X Preferred

Cloud Networking (Azure)

• VNets, NSGs, Azure Firewall Required

• ExpressRoute & Azure VPN Gateway Required

• Application Gateways & Load Balancers Required

• Hub-and-Spoke architecture Required

Automation / Scripting

• Python, PowerShell Required

• Bash, Ansible, Terraform Preferred

• ARM templates / IaC Required

Monitoring & Tools

• SolarWinds Required

• Visio / Draw.io Required

• ITSM tools (Jira, ServiceNow) Preferred

Soft Skills & Leadership

• Strong communication, documentation, and presentation skills.

• Proven ability to mentor peers and lead complex project work.

• Ability to collaborate effectively in a dynamic environment.

• Strong problem-solving and analytical thinking.

• Self-motivated with a continuous learning mindset.

Education & Experience

• High school diploma required; Bachelor s degree in IT, Engineering, or related field preferred.

• 8+ years of professional networking experience required (10+ preferred).

• 3+ years of Azure networking experience or equivalent public cloud experience.

• Experience evaluating vendors, conducting POCs, and supporting enterprise deployments preferred.

Preferred Certifications

(Any of the following)

• CCNP / CCNA

• CCIE

• Fortinet NSE4

• Azure Networking Engineer Associate

• Azure Solutions Architect Expert

• CompTIA Network+