Telephone SBC Traffic Engineer III


Client Reference Code: 206234

Under minimal supervision, responsible for managing the SBC network and central office switches deployed by the company. Specifically responsible for performing or providing support for the following functional areas: Planning, Implementation, Capacity Mgt, and Provisioning of Trunks on the voice network. Switches may be Constant Bit Rate (CBR)/ Time Division Multiplexed (TDM) or packet based such as Voice Over IP soft switches. Plans and trends the traffic capacity for the vast majority of telephony network switches and SBC’s “without” assistance. Provides troubleshooting assistance to entry level & mid-level switch engineers. Able to direct the trouble shooting efforts during major outages and provide weekly Analytics of licensing management and available capacity.


Individual will be considered a subject matter expert (SME) in this area of responsibility.
Manages all telephony equipment under minimal supervision.
Configures and troubleshoots SS7, ISUP, and SIP unassisted. Assists and coordinates the efforts of other TOE I/II in configuring and troubleshooting SS7, ISUP, and SIP.
Follows established guidelines for telephone network daily health check procedures and determines call out protocols during outage situations.
Prepares detailed RCA documentation as a post mortem for critical outages.
Leads installation and turn up of Trunk Groups and augments as determined by Traffic and Capacity Team.
Understands telephony circuit architecture concepts, OC12, OC3, DS3, DS1 etc.
Assists with the trouble shooting efforts during major outages.
Assumes a leadership role during major outages, coordinating not only within the Telephony group but between functional areas, as well as in all Residential and Business telephony issues.
Documents switch and telephone network architecture.
Assists other Engineers in documenting switch and telephone network architecture.
Creates documentation standards and assists and guides other TOE in the implementation of the standards.
Demonstrates IP knowledge, L2, L3, TCP, UDP and telephony equivalents, ability to troubleshoot IP connectivity issues, ability to direct IP connectivity trouble-shooting or CCNA and ability to direct trouble shooting efforts.
Supports all core telephony equipment including hardware and software upgrades and maintenance.
Evaluates and plans for core telephony equipment and circuitry changes as well as expansions.
Guides and assists other TOE in maintaining, upgrading and deploying core telephony equipment.
Assists in the development of on-going reporting


Ability to effectively communicate with employees, customers, suppliers, in person, on the phone, and by written communications in a clear, straight-forward, and professional manner.
Strong ability to analyze traffic data and Call Detailed Reports (CDR’s)
Advanced knowledge of telephony disciplines (SBC, VoIP Switch, SIP protocol, etc.)
Demonstrates critical thinking skills during stressful or complex projects.
Solid understanding of personal computer and software applications – high concentration of VISIO/EXCEL/ACCESS skills.
Valid driver’s license with satisfactory driving record within Company required standards.


Bachelor’s degree in Engineering or related field or equivalent work experience.
CCNA/CCIE or other industry certifications


5 Years Wireline, Wireless, or Broadband telephony switch installation or administration
5 years Database management and network configuration work experience
5 Years Telephone Industry Experience


Knowledge of company products and services
Solid understanding of common word processing, spreadsheet, Presentation, Design software and concepts.
Firm grasp of TCP/IP standard applications (Telnet, SSH, FTP, SMTP, HTTP)


Office Environment
May work in:
Network Lab environment
Field Operations environment
Occasional travel as required
Job Code : TWCETC370 Telephone Ops Engineer III Exempt


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