Prestigious Fortune 500 Company is currently seeking a Sr. Cisco VOIP Engineer. Candidate will be responsible for engineering activities associated with one or more technical areas with the telecom function (such as network design, engineering, implementation or operations and user support. Candidate must have technical skills that cover a broad range of UC/telephony disciplines that include experience with Cisco UC, Acme Packet SBC's and EXFO Brixworx (or another IP service assurance and performance management solution). This position will play a key role on a team responsible for maximizing current-state investment in UC, as well as engineering and planning the future roadmap for the UC environment. Candidate will provide assistance to other Senior and Consulting Engineers in upgrading, implementation and troubleshooting of the UC environment.