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Senior Telephony Engineer RingCentral
RingCentral provides cloud computing based business phone systems designed for today's mobile and distributed business world. The RingCentral technology platform eliminates the need for expensive and technically complex on-premise legacy phone systems. By combining a hosted, multi-extension business phone system with advanced voice and fax functionality, RingCentral simplifies business communication for modern, flexible business environments.Responsibilities:
As the Senior Telephone Engineer you will be responsible for:
Explore, test, and enable VoIP, FoIP, Telephony components as needed
Enable and integrate carrier sip PSTN connecting in to the RingCentral network
Interop testing and turn-up of carrier SIP peering trunks
Design and grow HA carrier configurations with carriers and RingCentral VoIP components
Diagnose , Trouble shoot, resolve service issues related to VoIP and FoIP telephony platforms and applications
Responsible for maintaining call routing logic that incorporates Least Cost Routing
Participate in shared on call support rotation
Apply and audit security vulnerabilities of VoIP components
Study trends, and participate in scaling adjustments for capacity of components, resources and sessions
Work with Engineering teams to collaborate on solutions and approach for persistence issues
Use vendor portals and internal tools to track capacity
Requirements:
A desire and passion for working with new products and ideas to create proof of concept configuration and solutions
An assertive attitude to take initiative in seeking out solutions for problems to optimize performance and automation
Analytical approach to troubleshooting and problem solving that is strong in isolation triage and correlation
Team and cooperative work ethic and approach
Understands business requirements capture and prioritization
Explore solutions to problems with consideration of full sense of ownership
Ability to interact with cross functional teams including Network, Engineering, Development, Marketing Support, NOC at technical and business level
Ideal candidate will have Skills and working experience with:
Empirix - Hammer
QoS and Network optimization and experience related to VoIP and FoIP
Sip call generator
Sip protocol - trunks, user agents, registration, sdp, rtp
Soft switches such as Kamailio OpenSer
Border Controller - Natpass; Acme Packet
Media Resources - Convedia
Experience with FOIP & T.38
MySQL db - schema, stored procedures and functions, create, insert, alter, grant, query
Oracle db - schema and queiries
SVN- check in, check out, export, merge
Linux - Redat, centos administration experience
Scripting - bash,php, perl windows 2003 server and up
TCPIP stack and Networking knowledge
Deep log diving and interpretation - grep, ngrep
Wireshark - pcap tcpdump experience
Working with carriers for ordering, managing and managing Voice services for local, toll free, and International inbound and outbound voice services
Global PSTN dial plans and call routing
Experience with global PSTN trunking, carrier network knowledge terminology
Experience with Access Control, Port and Protocol filtering, methods related to firewalls and network control points
| Location: | San Mateo, CA United States |
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RingCentral
Investors: Sequoia CapitalAll Jobs: at RingCentral
| Web Site: | www.ringcentral.com |
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| Headquarters: | 1 Lagoon Drive Suite 350 Redwood City, CA 94065 United States |
| Industry: | Software |
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