VoIP Engineer - Pakistan

For Recruiters: - At this time, WLC is not accepting 3rd party candidate representation for this role.Position Details:- VoIP Engineer.- 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.