Network Architect - VOIP

Principal Network Architect -VOIP and Teams Experience

Houston TX - Onsite

6-12 Months Contract to Hire (C2H)

Job Overview:

• 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

Responsibilities

• Formulate and implement a strategic vision for the companys enterprise and Data Center Network and Telecommunications domains harnessing innovative technologies adopting best practices and promoting continuous improvement to enhance service delivery and customer satisfaction.
• Design configure implement and maintain secure scalable and resilient network infrastructure telecommunication systems wireless networks cloud environments third-party integrations security tools firewalls SASE and supporting auxiliary systems such as monitoring DHCP and DNS.
• Collaborate with IT teams cross -functional teams and third parties to gather business requirements assist with business plan development and implement technologies such as integrated innovative network and telecommunication infrastructure security controls cloud solutions and applications while ensuring seamless and future-ready operation across the organization.
• Execute a wide range of network and telecommunications initiatives including deploying and integrating technologies across the global enterprise.
• Engineer deploy and operate monitoring tools to enable visibility control proactive mitigation system health and operational effectiveness.
• Analyse network and telecommunication performance data and implement strategies to optimize system performance such as bandwidth utilization network throughput routing call quality hardware and software tunning and response times.
• Design and implement predictive and preventive system maintenance techniques including lifecycle management strategies.
• Design and implement integration services with Third-Party Systems cloud services and SaaS.
• Adapt leading security frameworks NIST CIS ISO CSA and CB&I specific security controls to enhance cybersecurity effectiveness.
• Develop and implement robust security policies processes and technology systems specific to network and telecommunications domains in collaboration with the Cybersecurity team.
• Develop review maintain and disseminate comprehensive and accessible documentation including configuration details changes troubleshooting guides standard operating procedures business processes and runbooks to ensure operational clarity and compliance.
• Leverage network and telecommunications governance expertise and infrastructure frameworks to develop and enforce policies and procedures that support continuous improvement and compliance.
• Serve as a subject matter expert within your area of responsibility mentoring members of the global IT organization delivering technical and operational cross-training and providing advanced support for problem-solving and root cause analysis.
• Collaborate with Disaster Recovery (DR) and Business Continuity stakeholders to design implement and maintain comprehensive disaster recovery plans and strategies ensuring continuous availability and resilience of network and VoIP/telephony services during outages natural disasters or cybersecurity incidents.

Qualifications

• Minimum bachelors 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-premises 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: ISRand ASR 1000 series routers. Cisco Catalyst 9500
• Cisco Switches experience: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.