Description Don't miss this opportunity to join the company recognized by Fortune magazine as the World's Most Admired Telecommunications Company and ranked #2 on DiversityInc's list of 2009 Top 50 Companies for Diversity.

As the largest communications company in the world, more than 120 million customers count on us every day to deliver the wireless, Internet, data and advertising services that fuel their businesses and connect them to their world.

You will find yourself connecting communications and technology with opportunities that will take you to places you never imagined.

Learn more about AT&T's cutting edge opportunities with a wide range of career paths in emerging and ground breaking technologies.

We're so much more than just a phone company! Researches, designs, plans, develops and/or evaluates new, advanced network technologies by translating requirements or strategic business objectives into final product design.

Work typically includes in-depth assessment of the networked application needs, providing network modeling, prototyping and simulation testing, consulting to further clarify needs to deliver application functionality.

Performs network product engineering assignments, including design, development, documentation and testing of network hardware, firmware, or software products or systems.

Assignments may include development of new products, enhancements, and modifications of existing products.

Nature of Contribution - Seasoned technical professional who contributes through proven technical expertise.

Has significant impact on department or function.

Knowledge - Subject matter expert within own discipline/specialty area and basic knowledge of other disciplines / specialty areas.

Deep technical knowledge.

Applies in-depth knowledge of discipline/specialty area standards and processes to work.

Integrates industry experience and deep professional/ technical knowledge.

Technical leader and recognized expert on select AT&T technologies, systems and/or procedures.

Analysis and Problem Solving - Solves unique problems through evaluative judgment and precedent.

Independently applies sophisticated analysis in evaluating issues and develops new concepts, methods and techniques for cross-functional initiatives.

Recognizes and pursues alternative methods.

Independence - Guided by department goals and objectives.

Exercises latitude in determining objectives and approaches to projects.

Leads multiple projects of small to medium size and technical breadth.

Contribution to AT&T Technology - Key contributor on complex projects and initiatives.

Impacts current and future business opportunities through application of specialized technical and industry knowledge.

Develops methods and techniques based on strategic project objectives.

Communication - Provides technical guidance and explains advanced concepts to others in work area.

May mentor others in department.

Coordinates across multiple departments.

Promotes active listening and open communication.

Provides leadership and guidance to others.

Business Voice over Internet Protocol (VoIP) services testing engineer responsible for test case/scenario design, test case execution, troubleshooting of issues discovered in testing cooperatively with AT&T and vendor SMEs in problematic areas.

In addition, this position will have responsibility for lab environment management, in particular, configuration of key LAN/WAN/router/voice gateway/CPE equipment.

A qualified candidate must have working knowledge of SIP, SIP-B and IP-CENTREX call flows.

In addition, the qualified candidate will have hands-on knowledge of specific equipment used to connect IP-CENTREX customer sites to VOIP network environments (e.

g., router/Sip proxy/gateway devices).

Hands-on knowledge of SIP phone set-up and configuration is also highly desirable.

At AT&T, our Chief Technology Office (CTO) is the embodiment of innovation.

We're responsible for developing, designing, planning and building AT&T's wireless and wired networks, including the nation's fastest 3G wireless network, our groundbreaking U-verse network and one of the world's largest and most advanced IP backbone networks.

Just as importantly, our team conducts industry-leading research and development for network technologies as well as the applications that take advantage of connectivity.

Qualifications Required Qualifications: 3-5 years experience in technology development.

Ability to lead multiple projects.

Excellent verbal and written communications skills are a required for this position.

The ability to clearly communicate ideas/issues clearly is essential.

Desired Qualifications: BS degree in Engineering/Math/Science.

Knowledge of IT architecture.

Knowledge of Network Management Systems.

Experience in software design and development.

Knowledge of physical design (power, cooling, cabling, operational implications on card, cable, equipment layout, etc.)Knowledge in transport network technology (Protocols, equipment, services)AT&T is an Affirmative Action/Equal Opportunity Employer, and we are committed to hiring a diverse and talented workforce.

EOE/AA/M/F/D/V Requisition Number: 1037486

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