t-mobile_sr system engineer.docx

7/27/2019 T-mobile_sr system engineer.docx

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Job Description - Sr Engineer, Technical Support (12007502)

Job Description

Sr Engineer, Technical Support (12007502)

Description

Sr Engineer, Technical Support (Tier2 Voice Core Networks)This position serves as the Subject Matter Expert (SME) in

multiple disciplines to second level (Tier 2) technical support and

engineering teams. This position performs consultative support to

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2/5

Tier 2 Voice, Data & IP Platforms in the delivery of highly

complex support for T-Mobile's wireless network elements,

platforms, systems, applications and services. This position usesprofessional concepts to carry out expert level diagnostic

investigation of customer-impacting network issues and provides

technical leadership/guidance and advice to other engineers whoare diagnosing, troubleshooting and repairing complex issueswithin the T-Mobile IMS, GSM/UMTS or UMA Networks. This

position identifies technical development opportunities for other

engineers, develops and implements technical training programs asneeded. This position analyzes design, reliability and maintenance

problems to the relevant T-Mobile and vendor organizations and

provides design improvement recommendations to improve the

customer experience or ease of operation long-term. The requiredsupport is performed over a wide array of platforms in the Network

including, but not limited to MSS/MGW, MGCF, HLR/HSS,

CSCF, BGCF, TAS, LCS, IP, SMS, UNC equipment. Thisposition is the technical lead on the supported systems and

platforms. This position works with vendors on providing technical

solutions for the system users. This role requires that the engineer

participate in an "on call rotation" on an as needed basis to ensurethat expert level support is available on a 24x7 basis.

Essential Functions

Resolves highly complex technical design or service issues thatcannot be resolved through normal operations and maintenance

procedures and provides leadership for root cause analysis to drive

issue resolution and limits impact to the customer. Assist withRPI/RFP/RFQ processes for new technologies and collaborate with

T-Mobile Engineering, Product Development and Vendor technical

organizations when required to drive long-term product

improvements. The Senior engineer is required to engage in vendormanagement issues, coordinate updates for the national, regional

and market teams.

Develops proactive initiatives geared towards exceeding network

KPIs.

Provides technical guidance to junior Tier2 Engineers forresolution of customer issues to develop the technical

troubleshooting and leadership skills throughout the Tier2organization. Approves technical bulletins written by othermembers of the Tier 2 organization.

Devises and delivers training programs and supports

documentation to other departments on new operation,maintenance and troubleshooting procedures. Produces technical

bulletins in order to provide short term work-around solutions and

guidance on current Network issues. This consistently requires a


3/5

great deal of "out of box" thinking and complex analysis of

software problems within the network. Provides leadership to

others within the position's team or customers' team.

Leads Engineering and Vendor teams with the validation of newproducts and services to ensure trouble free network introduction.

This position will provide expert consultative support during majorsoftware upgrades as well as recommend network parametersettings.

Occasional travel for trainings will be required.

Qualifications

inimum Required

Expert-level understanding of Operations and Maintenanceprocedures and Advanced Troubleshooting techniques acrossmultiple platforms.

Expert-level understanding of system protocols and interfaces that

are used within a wireless network.

Ability to multitask and effectively handle multiple competing

priorities.

Expert-level understanding of GSM/UMTS Network Signaling

standards and protocols such as ISUP, MAP, BSSMAP/DTAP,

RANAP, SMS required.Expert-level understanding of the IMS and VoIP Network

Signaling standards and protocols such as SIP, SDP, RTP,Diameter, Radius, MGCP along with good understanding of IP

transport layer protocols like TCP, UDP and SCTPSolid understanding of GSM/UTRAN network architecture and

understands 3GPP specifications.

Solid hands-on experience of IMS network nodes (CSCF, BGCF,

TAS) /GSM/UTRAN/Core Network Node and integration to theOSS System along with expert level understanding of regular SS7and SIGTRAN protocols.

Excellent analytical and technical troubleshooting skills.

Strong vendor management skills, including issue escalation,negotiation of fix delivery dates and management of the servicelevel agreements.

Excellent written and verbal communication skills.

5-8+ years Experience in fault analysis within the

telecommunications industry.5-8+ years Hands-on experience of IMS/GSM/UTRAN/Core and

network node integration to the OSS Systems

5+ years Wireless industry experience in the OSS and networkmanagement space. Experience in fault analysis within the

telecommunications industry


4/5

Desired

Knowledge of SQL database structures, SQL database querywriting, Unix shell scripting, Pearl, C++, Java scripts, and datamanipulation.

Knowledge of different standard interfaces (i.e. CORBA, LDAP,XML).

Strong Unix/Linux/Oracle/Storage systems knowledge and adept

on the related disciplines.Applies expertise and experience on OSS Systems to achieve

proactive Operations and Maintenance of the network.

3+ years Experience with Alcatel equipment is strongly

preferred

5+ years Experience with Cisco and IP Networking is a plus

Education

inimum RequiredBachelors Degree. Technical disciplineIn lieu of a degree, experience within telecom industry may be

considered.

Based in Bellevue, Washington, T-Mobile USA, Inc. is a

subsidiary of Deutsche Telekom AG (NYSE: DT) and one of the

nation's leading companies in mobile communications. We serve

more than 30 million customers nationwide and have more than40,000 employees who work together to keep our customers

connected through the quality of our service, the span of our

coverage, the reliability of our network and the value of our plans.At T-Mobile, we pride ourselves on providing wireless

communications that allow our customers to stick together with the

people who mean the most to them.

You can also expect that it will be high energy from day one at T-

Mobile: career growth, personal recognition, and diversity are allpart of the mix. You'll enjoy competitive pay, special employee

phone plans, generous paid time off, tuition assistance, medical

and dental coverage, a great company-matched 401(k) plan,

advanced training, and more.

T-Mobile is an equal opportunity employer (EOE).

Job

: Engineering


5/5

Primary Location

: WA-Snoqualmie WA

Work Locations

:

WA-Snoqualmie Engineering Office

34931 SE Douglas StSnoqualmie 98065

Schedule

: Full-Time

Travel

: No

t-mobile_sr system engineer.docx

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