Sr Engineers, Systems Architecture

As America's Un-carrier, T-Mobile US, Inc. (NASDAQ: TMUS) is redefining the way consumers and businesses buy wireless services through leading product and service innovation. The company's advanced nationwide 4G and 4G LTE network delivers outstanding wireless experiences for customers who are unwilling to compromise on quality and value. Based in Bellevue, Washington, T-Mobile US provides services through its subsidiaries and operates its flagship brands, T-Mobile and MetroPCS. For more information, please visit http://www.t-mobile.comPosition summary

T-Mobile USA is a leading provider of digital GSM/GPRS, UMTS, and LTE wireless voice and data technology standards. Senior Engineers, Systems Architecture located in Bellevue, WA will lead the design, rollout, and implementation of new Packet Core hardware/software system upgrades and new solutions.

Position duties and responsibilities include, but are not limited to:

Interact with the IP Design, Operations, QA, and Design teams to shape deliverables and optimize Packet Core Networks and solutions.

Interact with different vendors and cross-functional teams to deliver solutions, formulating test instructions for certification.

Serve as a Subject Matter Expert (SME) for all Packet Core nodes and provide detailed design for Packet Core nodes, including call flow, capacity, and performance analysis.

Support the QA team in the validation of new design, functionality, and software upgrades.

Continually enhance existing applications and processes and troubleshoot Packet Core issues, collecting interface traces using protocol analyzers.

Support Tier 2 and resolve network problems by analyzing different packets and protocols.

Lead Packet Core initiatives for network trials and proof of concepts.

Work cross-functionally with the Voice Core, IMS, and SCM teams to create scripts to optimize and automate Packet and Voice Core implementations, reporting, and monitoring.

Skill requirements:

(1) performing feature evaluation based on 3GPP specifications.

(2) utilizing Netscout, Vantage, Iris, and Wireshark to troubleshoot voice and data issues.

(3) performing system software and hardware upgrades for Packet Core nodes (Mobility Management Entity, GPRS Service Node, Packet Data Network Gateway, and Serving Gateway) to ensure network stability and reliability.

(4) designing and implementing Packet Core nodes/features in the network.

(5) leading Packet Core (MME, SGSN, and PGW) projects end-to-end.

Experience and education requirements:

PRIMARY REQUIREMENTS: Master's degree in information technology, electronic engineering, electrical engineering, electronics and communications engineering, telecommunications, computer science, or related, and 3 years of relevant work experience.

ALTERNATIVE REQUIREMENTS: Bachelor's degree in information technology, electronic engineering, electrical engineering, electronics and communications engineering, telecommunications, computer science, or related, and 5 years of relevant work experience.

Additional:

Location: Bellevue, WA

Employer is not currently sponsoring work visas for this position.

This position is eligible for the employee referral program.

How to apply:

Visit www.tmobile.jobs.

Create a candidate profile, and apply to requisition number 86908BR.

We Take Equal Opportunity Seriously - By Choice T-Mobile USA, Inc. is an Equal Opportunity Employer. All decisions concerning the employment relationship will be made without regard to age, race, color, religion, creed, sex, sexual orientation, gender identity or expression, national origin, marital status, veteran status, the presence of any physical or mental disability, or any other status or characteristic protected by federal, state, or local law. Discrimination or harassment based upon any of these factors is wholly inconsistent with our Company values and will not be tolerated. Furthermore, such discrimination or harassment may violate federal, state, or local law.


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