Senior Network​/Firewall Engineer - Houston, TX

About Zedcor Inc.

Zedcor Inc. (TSX-V:ZDC) is disrupting the traditional physical security industry through its proprietary MobileyeZ™ security towers by providing turnkey and customized mobile surveillance and live monitoring solutions to blue-chip customers across North America. The Company continues to expand its established platform of over 1,200 MobileyeZ™ towers in Canada and the United States, with emphasis on industry leading service levels, data-supported efficiency outcomes, and continued innovation.

Zedcor services the Canadian market through equipment and service centers currently located in British Columbia, Alberta, Manitoba, and Ontario. The Company continues to advance its U.S. expansion which now has the capacity to service markets throughout the Midwest with locations throughout Texas Colorado, Arizona, Nevada and Florida.

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The Senior Network / Firewall Engineer to design, build, secure, and maintain a large-scale hybrid network environment. This is not an entry-level role. The successful candidate must be able to solve complex technical problems under pressure and operate with cybersecurity, uptime, encryption, monitoring, and compliance in mind. The environment includes Azure VPN Gateway, Azure Networking, Sophos firewalls, Cradlepoint routers, switches, Wi-Fi, F5 BIG-IP, Azure WAF, Azure Application Gateway, Azure Front Door, centralized logging, centralized monitoring, and internal PKI.

• Design, build, maintain, and troubleshoot IPsec and SSL VPN networks. Manage and support a Cradlepoint environment of 20,000+ devices. Manage Sophos firewalls or become proficient with Sophos within the first 30 days if experienced with another major firewall platform.
• Ensure DNS and DHCP are centrally managed, monitored, logged, secured, and not hosted directly on firewalls. Patch, monitor, log, audit, and secure network infrastructure.
• Ensure network links, management access, VPNs, and sensitive data flows are encrypted. Document network designs, firewall rules, routing policies, VPN configurations, standards, and runbooks.
• Support incident response, change management, vulnerability remediation, disaster recovery, SOC 2, FedRAMP, and StateRAMP readiness.
• Use Zedcor’s internal PKI solution for device identity, certificates, authentication, encryption, and secure management.
• Maintain centralized logging, centralized audit logging, centralized authentication, centralized monitoring, and alerting.
• Ensure firewalls are used as security enforcement points, not as core infrastructure service providers.
• Support F5 BIG-IP, Azure WAF, Azure Application Gateway, and Azure Front Door.
• Configure and troubleshoot dynamic routing, including internal BGP.
• Support Azure VPN Gateway, Azure Networking, Sophos firewalls, Cradlepoint, switches, Wi-Fi, WAF, and load-balancing platforms.

• Design, build, maintain, and troubleshoot IPsec and SSL VPN networks. Manage and support a Cradlepoint environment of 20,000+ devices.
• Manage Sophos firewalls or become proficient with Sophos within the first 30 days if experienced with another major firewall platform.
• Ensure DNS and DHCP are centrally managed, monitored, logged, secured, and not hosted directly on firewalls.
• Patch, monitor, log, audit, and secure network infrastructure.
• Ensure network links, management access, VPNs, and sensitive data flows are encrypted.
• Document network designs, firewall rules, routing policies, VPN configurations, standards, and runbooks.
• Support incident response, change management, vulnerability remediation, disaster recovery, SOC 2, FedRAMP, and StateRAMP readiness.
• Use Zedcor’s internal PKI solution for device identity, certificates, authentication, encryption, and secure management.
• Maintain centralized logging, centralized audit logging, centralized authentication, centralized monitoring, and alerting.
• Ensure firewalls are used as security enforcement points, not as core infrastructure service providers.
• Support F5 BIG-IP, Azure WAF, Azure Application Gateway, and Azure Front Door.
• Configure and troubleshoot dynamic routing, including…