Sr. Network/Voice Engineer

Job Title: Sr. Network/Voice Engineer

Duration: 6+ Months
Location: The Woodlands, TX

Description:
Call Manager system, multiple sites integrated into MS Teams
Looking for VOIP person with networking background and Teams
Understand how Cisco VOIP works
Networking perspective: cisco routers, firewalls
Routing
The Senior Principal Technology Specialist Sr. Network Engineer is tasked with solving unique and complex problems that broadly impact the business. The Senior Principal Technology Specialist - Sr. Network Engineer is considered a specialist in the field of data communications, and they offer a broad base of knowledge of communication protocols, hardware, and IP-based network technologies. The Senior Principal Technology Specialist - Sr. Network Engineer impacts the direction and resource allocation of programs and projects in their discipline and works within general functional policies and industry guidelines and best practices.

The Senior Principal Technology Specialist - Sr. Network Engineer role requires conceptual and innovative thinking to develop creative solutions to Technology challenges. The Senior Principal Technology Specialist - Sr. Network Engineer blends strategic vision with hands-on technical expertise to architect, secure, and scale data and voice communications solutions, ensuring alignment with the highest security, reliability, and compliance standards.

This position is an Individual Contributor role. The role directly reports to the Director, Information Technology Infrastructure and routinely interacts with Global IT / Global Business Leads / Project Management / Engineering / Operations.

Qualifications:
Minimum bachelor's degree in computer science, Computer Engineering, Management Information Systems, or related field or equivalent work experience.
Preferred 15 or more years of LAN/WAN, enterprise, and data center network, routing, switching, and wireless experience.
Minimum 4 years of cloud network and infrastructure technologies experience
Minimum 8 years of experience designing, configuring, and implementing unified communications, VoIP, Telephony on-prem and cloud, conference systems, third-party telephony integration, SIP, and PSTN.
Preferred certifications or equivalent: Cisco CCNP Enterprise or Security, PCNSE, MS Azure Network, Network +
In-depth experience designing, implementing, maintaining, and troubleshooting converged global network infrastructure consisting of Cisco IOS, NXOS, 802.1x, BGP, OSPF, EIGRP, MPLS, VPNs, DMVPN, SD-WAN, Access List, LAN, WAN, and wireless.
Experience configuring and using networking tools such as NetBrain, ThousandEyes, SecureCRT, Wireshark, MS Visio, PRTG, Infoblox, and Cisco Collector.
Experience planning and migrating acquisitions, divestitures, on-premise systems, SaaS, facilities, and cloud services.
Experience diagnosing and resolving network and telecommunication issues, including hardware and software failures, connectivity problems, and performance bottlenecks, using network diagnostic tools and techniques.
Ability to deliver illustrative design solution documentation that outlines guidance on licensing, physical architecture, logical configuration, checklist application inventory, security policy protection phases, and basic administration, including system configuration baseline and security policy configuration baseline.
Proven ability to perform network architectural design, modeling, engineering, implementation, migration, technical refresh, upgrades, and lifecycle services for the data center and Cloud enterprise network infrastructure.
Extensive experience supporting network services and products which include, but are not limited to, routers, switches, firewalls, web application firewalls, load balancers, DNS, email gateways, proxy services, VPN, Local Area Network (LAN), Wide Area Network (WAN) and protocols, cryptographic devices, associated device software and firmware, diagnostic tools, and automation systems.
Experience configuring and deploying TACACS, Cisco DNAC, Cisco ISE, Cisco Prime, SD-WAN, load balancer, WAF.
Cisco Routers experience: ISR 4331, 8500, 2911, and ASR 1000 series routers. Cisco Catalyst 9500,
Cisco Switches experience: 9300, 9200, 8200,4500, 3850, 2960 series & Cisco Nexus 7k, 5k, and 2k switches.
Wireless experience: Cisco AP & WLC, Aruba AP & WLC, Meraki AP, Meraki MG cellular wireless
SD-WAN and SASE experience: Cisco Meraki MX, Palo Alto Prisma SD-WAN, Cisco Secure Access, Secure Connect
Routing Protocol experience: BGP, OMP, EIGRP, RIP, MP-BGP, VRF, Redistribution, and Static Routing.
Switching Protocol experience: STP, RSTP, PVSTP, VTP, VPC, ARP, FHRP, HSRP, VRRP, GLBP, VLAN, VXLAN, inter-VLAN routing.
Supporting features, services, and security experience: IP Subnetting, VLSM, VLAN, DHCP, DNS, NAT, PAT, IP Sec, ACL, VRF, VSS, QoS, VXLAN, SSH, LDAP integrations, DNS Filtering, 802.1x, MAC Authentication, ACLs, and Certificate.
History of delivering tier 3 and tier 4 support and acting as an escalation point across enterprise and data center networks, telecommunication, and cloud services.
Delivering configuration and build patterns for TCP/IP networking as well as Cloud Load Balancers, Application gateway, Security Groups, VNETs/Subnets, VPN Gateways, Private links/endpoints, ExpressRoute, Route tables, DNS, traffic manager, and NAT configuration.
Experience managing, diagnosing, and resolving Internet circuits, WAN, MPLS, point-to-point network, SIP Trunk, and SIP services.
Familiarity with external and internal audit processes regarding IT designs and services.
Proficiency and knowledge of automation tools and scripting languages (e.g., Python, PowerShell/Automate)
Experience in the regular evaluation of LAN, WLAN, WAN, telephony systems, cloud environments, enterprise network, and data center infrastructure performance, ensuring optimal operation by proactively troubleshooting issues and implementing solutions that minimize downtime.