Senior VoIP Engineer 08-179

Senior VoIP Engineer

 

Intrado is currently searching for a Senior VoIP Engineer for our Longmont office.

 

Responsible for leading and participating in the engineering, configuration, installation, maintenance and upgrade of the companies Voice over IP (VoIP) deployment, supporting applications and network hardware; receive and address error escalations of VoIP network through the ticket system, troubleshoot issues in a timely and accurate manner; conduct third-tier level of support concerning new products for internal and external customers, train training resource to convey the correct information for client serviceMINIMUM QUALIFICATIONS

Applicants for this job will be expected to meet the following minimum qualifications.

Education

Bachelor’s degree in engineering, computer science, MIS, telecommunications, or a related field required. Equivalent work experience in a similar position may be substituted for educational requirements.

Experience

Minimum four years networking, telecommunications, or application experience required with an emphasis in VoIP.

Minimum one year supervisory or lead experience preferred

Other

Basic knowledge of multi protocol label switching (MPLS) required

Basic knowledge of signaling protocols (e.g., SS7, SIP, CAS, etc) required

 

 

Equipment Experience Preferred

Cisco PGW, Cisco TGW AS-5350, Radysis Convedia Media Server

 

Signalling Experience Preferred

Unix, SIGTRAN, Cisco commands, SIGTRAN, M3UA,MGCP, ISUP, ISDN, Audio Codecs, XML/Info Messages and Conferencing

 

 

Additional Technical Requirements Preferred

The candidate should have a strong understanding of the following:

- Unix operations specifically the day to day operations and system configuration including sudo (user accounts, user activity, file permissions and ownership, etc…)

- Solaris Operating System – Specifically where to find log files and command structure to perform certain actions like TCP dump and building the different interfaces.

- Of how Cisco software resides on the Solaris Platform and the directory structure.

- VoIP communications; specifically SIP and SIGTRAN.  The establishment of the M3UA link and its signaling, MGCP how it works and the messaging, SIP protocol and related messages.

- ISUP circuit design that includes feature and functionality of the circuit parameters.

- Physical connections of ISUP, ISDN and CAS circuits

- T1 circuit layout and the wiring format using the RJ45 connection

- ISUP circuits and the CIC design (ITU standard and Bell Core standard)

- ISDN circuits and the D and B channel relationship along with features and functionality.

- CAS circuits and the In-Band signaling parameters (Feature Groups, Wink, Ground Loop, etc…)

- Cisco Switch language and the ability to configure the switch parameters and troubleshoot.

- Linux Operating System:  File structure and directory structure

- RTP/MGCP protocols, specifically the G.711 codec knowing the default media port

- XML messages within SIP info messages to create conferencing

- Conferencing

 

 

Intrado Inc. is North America’s leading provider of 9-1-1 infrastructure systems and services. Founded in 1979, Intrado’s wide range of offerings for safety and commercial markets includes 9-1-1 data management, wireless data services, target notification and data aggregation and delivery. The company's unparalleled industry knowledge in data management, network transaction, call handling and notification technology reduces the effort, cost, time and complexity associated with providing reliable information for 9-1-1, safety and commercial applications.

Please visit our website for more information on the company at www.intrado.com Please send your resume with salary requirements to HR@Intrado.com

Only qualified candidates will be contacted. Drug Test, Background Review, and Motor Vehicle Check required. Intrado is an Equal Opportunity Employer