Senior Network Administrator

Goosehead Insurance Agency LLC; Westlake (TX); On-site; USD 90,000 - 120,000; Full time

Job summary

Dormont Manufacturing Co is seeking a skilled professional to architect, deploy, and maintain enterprise LAN/WAN environments, focusing on platforms such as Fortinet, Cisco Meraki, and Juniper. Responsibilities include leading network implementations, ensuring minimal downtime, and administering secure Azure connectivity.

The ideal candidate will possess advanced troubleshooting skills, manage SD-WAN designs, and support VoIP systems to ensure optimal performance. Strong documentation discipline and expertise in routing protocols like BGP and OSPF are essential for success in this role.

Qualifications

• Expertise with advanced routing protocols such as BGP and OSPF.
• Hands-on experience with IPSec and SSL VPNs.
• Ability to monitor VoIP systems and ensure quality.

Responsibilities

• Architect and maintain enterprise LAN/WAN environments.
• Lead network implementations and ensure minimal downtime.
• Monitor and support VoIP systems for high call quality.
• Develop next-generation firewall policies and threat controls.

Skills

Advanced hands-on expertise

Strong documentation discipline

Network troubleshooting

Performance tuning

SD-WAN design

Tools

Fortinet (FortiGate/FortiManager)

Cisco Meraki

Juniper (SRX/EX)

Azure

Job description

• Architect, deploy, and maintain enterprise LAN/WAN environments utilizing Fortinet (FortiGate/FortiManager), Cisco Meraki (MX/MS/MR), and Juniper (SRX/EX) platforms

• Lead network implementations, upgrades, and migrations, ensuring minimal downtime and adherence to change management processes

• Identify, remediate, and proactively eliminate network problem areas through root cause analysis and performance tuning

• Design and manage SD-WAN , high-availability (HA) firewall clusters, VLAN segmentation, and secure network zoning

• Configure and troubleshoot advanced routing protocols including BGP and OSPF

• Implement and maintain IPSec and SSL VPNs , site-to-site tunnels, and remote access solutions

• Administer and secure Azure network connectivity , including VPN gateways, virtual networks, and network security groups (NSGs)

• Develop, audit, and enforce next-generation firewall policies, IDS/IPS, and threat protection controls

• Monitor and support VoIP systems , including SIP trunks, QoS configuration, and performance metrics (latency, jitter, packet loss, MOS), ensuring high call quality and reliability

• Perform packet-level analysis and advanced troubleshooting to resolve complex network and voice issues

• Maintain detailed network documentation, topology diagrams, standard operating procedures, and configuration backups

• Produce KPI and performance reports covering uptime, security posture, capacity, and voice quality metrics

• The ideal candidate will demonstrate advanced hands-on expertise, strong documentation discipline, and the ability to lead infrastructure initiatives while maintaining a secure, highly available, and performance-optimized network environment.