200+ applicants

Company

Zoom · 8 hours ago

Senior Telephony Engineer

United States

Full-time

Remote

Senior Level

$95K/yr - $219K/yr

5+ years exp

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CollaborationInformation Technology

H1B Sponsor Likely

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Responsibilities

Supporting Zoom’s SIP based products and global carrier services.

Working closely with Carrier Ops, DevOps, and Networking teams for deploying and testing carrier trunks.

Working with Solution Engineer, Customer, and Engineering teams for designing and implementing SIP Connected Audio (SCA) solutions.

Being Tier - 3 level support for carrier connectivity issues.

Leading troubleshooting and escalation efforts with service providers.

Initiating and implement product enhancements to improve routing efficiency and service reliability.

Designing and implement monitoring systems for trunk status and utilization.

Building real-time monitors to detect carrier issues, config alerting, analyze trends, and aid in troubleshooting.

Manage multiple projects and meet deadlines while maintaining a high level of customer satisfaction.

Follow the operational process and take rotational on call work.

Qualification

Find out how your skills align with this job's requirements. If anything seems off, you can easily click on the tags to select or unselect skills to reflect your actual expertise.

Telecommunications industry experienceSIPRTPRTCPTLSSRTPTCP handshakeWiresharkPacket captureSpearlineSIP call flowsTLS configurationsSBC platformsTelephony softwareVoice qualityBGPVoIP architecturesPacket lossJitterMoSQoSJiraConfluenceKentikLinuxNetworking protocolsELKGrafanaSplunkMonitoring tools

Required

5+ years working within the Telecommunications industry whether for a Carrier or having managed Carriers.

3+ year’s experience working at or with Enterprise level companies.

Have a deep level understanding of SIP, RTP, RTCP, TLS, SRTP, and related technologies.

Have a solid familiarity with TCP handshake, Wireshak, packet capture, Spearline, SIP call flows, TLS configurations and troubleshooting.

Have a good understanding of various SBC platforms and telephony softwares (e.g., FreeSwitch, Ribbon SBC, PSX, and OpenSIP).

Have a good understanding of voice quality as it applies to packet loss, jitter, MoS, QoS.

Have proficiency in BGP network routing protocol and VoIP architectures.

Familiarity with Jira, Confluence, Kentik, Linux, and Networking protocols.

Preferred

Having experience in ELK, Grafana, Splunk and other monitoring/scripting tools is a plus.

Benefits

A variety of perks, benefits, and options to help employees maintain their physical, mental, emotional, and financial health; support work-life balance; and contribute to their community in meaningful ways.

Company

Zoom

Zoom is a software company that offers a communications platform that connects people through video, voice, chat, and content sharing.

Founded in 2011

San Jose, California, USA

5,001-10,000 employees

http://zoom.us

H1B Sponsorship

Zoom has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)

Distribution of Different Job Fields Receiving Sponsorship

Represents job field similar to this job

Trends of Total Sponsorships

2023 (125)

2022 (252)

2021 (103)

2020 (43)