VoIP Network Engineer

At this time, WLC is not accepting 3rd party candidate representation for this role. Full time contract position, fully remote. Mon‑Fri normal business hours following the seasonal EST (UTC‑5) and EDT (UTC‑4) time. After hours maintenance Sun‑Sat nights, as required and scheduled in advance. Member of the Infrastructure Engineering, Operations, and Planning group, reporting into the Manager of Infrastructure. Responsibilities

Build, operate, manage, and improve upon our zero‑downtime and large VoIP, CPaaS, and UCaaS platforms, and their associated infrastructure. Qualifications

Quiet and secure workspace with a minimum of 2 good quality Internet connections, from which to complete WLC tasks and responsibilities using WLC‑provided equipment. Three, or greater, years of hands‑on experience with VoIP SIP and RTP protocols and related software VoIP platform (such as SBCs, proxies, WAFs, load balancers, feature servers, class 4 and 5 platforms, etc.), signaling troubleshooting, configuration management, call handling, and flow management. Comfortable building and managing BigCouch / CouchDB and MySQL databases, tables, replications, backups, files, and content. Three, or greater, years of hands‑on experiencing engineering and operating voice telecommunication services based off Kazoo, FreeSWITCH, RabbitMQ, and Kamailio. Three, or greater, years of hands‑on experiencing performing deep SIP protocol troubleshooting using VoIPMonitor, Wireshark, and / or similarly advanced tools. Deep configuration and functionality knowledge of SIP / RTP software / daemons / applications. Senior‑level Linux Systems Administration experience utilizing CentOS, Redhat, and Oracle Linux 9 distributions. Advanced complex shell scripting abilities for automation purposes. Confident operating, and within, KVM, Hyper‑V, and VMware clustered bare metal hypervisor platforms, as well as within AWS and Rackspace cloud VMs. Capable building, managing, configuring, and maintaining development, lab, pre‑production, and production Linux servers, such as but not limited to kernels, images, change management, security, AAA, reporting, libraries, centralized logging, jump servers, daemons, tools, common Internet‑facing services, and monitoring / alerting platforms. Ability to develop and maintain compliance for ISO 27001, SOC2, HIPAA, and PCI standards and certification requirements. Seniority level : Mid‑Senior level Employment type : Contract Job function : Information Technology – Telecommunications

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