Sr. Network Engineer (VoIP)
Senior Engineer (L3)
Glen Mills, PA
6 months
VoIP Engineer
The ideal VoIP Engineer will have extensive experience in the entire Cisco UC stack, including both server and router-based platforms, methodical, advanced troubleshooting and remediation skills and is comfortable supporting a diverse, complex, 150 site, 13,000 user, global environment.
Description / Daily Duties:
• Maintaining the operational state of a 24/7 365 Global voice network
• Work assigned tickets from start to finish, communicating clearly with the end user and verifying resolution on first contact whenever possible.
• Monitor health of the environment using best practices and industry standard tools (RTMT, SolarWinds, IPSLA & Netflow monitoring/management, etc.), and respond to issues proactively.
• Display excellent troubleshooting skills with a focus on root cause and prevention
• Engage in project activity with global and regional contacts including site implementations of various flavors, dial-plan integrations, feature enablement, etc.
• Engage effectively in vendor-meet situations in order to integrate third party platforms, incorporate external PBXs into the corporate dial plan, etc.
• Maintain a clean, consistent and standardized UC environment, adhering to naming conventions, numbering conventions, and established documentation practices.
• Create and maintain environment documentation, including working in Visio to create logical and topographical diagrams, using Word or Excel to document critical configuration elements, etc.
• Engage Cisco TAC, when required, to resolve issues.
• Work effectively with other silos to identify and resolve interrelated issues (i.e. a security policy preventing RTP from passing)
• Understand and adhere to corporate Change Control and governance policies.
• Design, implement and maintain UCCX Contact Center scripts and workflows, including troubleshooting and debugging errant scripts.
• Engage with ISPs and PSTN providers globally to resolve related issues.
Required Qualifications:
• 5 years of experience designing, configuring, and implementing enterprise-class VoIP and TDM-based voice networks
• Expert-level experience with voice and data products including Cisco Unified Communications Manager, Unity Connection, Contact Center Express, Unified Presence, Calabrio Quality Management Cisco Voice Gateways, Cisco Unified Border Elements (CUBEs), and Survivable Remote Site Telephony (SRST) functionality, VoIP troubleshooting tools, Cisco routers and Cisco switches.
• Understanding of VOIP protocols, standards and codecs such as: SIP, H.323, Q.931, SCCP, RTP, QoS, G.711, G.729, T.38, etc.
• Extensive experience with carriers and SIP trunking.
• Experience implementing QoS/CoS policies and priority queuing on both WAN & LAN
• Understanding of enterprise architectures, routing, and transport protocols including BGP, EIGRP and OSPF.
Preferred Qualifications:
• Industry certifications such as CCIE, CCNP, CCVP
• Experience with video conferencing systems
• Experience designing, configuring and troubleshooting large enterprise MPLS converged (voice, video & data) networks
• Experience with Microsoft Skype for Business enterprise integration for collaboration
• Highly autonomous, very detail oriented with excellent analytical skills.
• Excellent written and verbal communication skills and an ability to interact efficiently with peers, customers and vendors
• The desire and ability to work in a fast paced, collaborative environment is essential.
• At least five years relevant experience in a large-scale network operations environment is preferred.
• Effective prioritization and time management.
Other Qualifications & Responsibilities:
• Must be willing to support off-hours from time to time both planned and unplanned.
• Experience dealing with customers during problem resolution and operating effectively under pressure.