HiringCafe
Posted 1mo ago

Engineer - Test Execution Core

@ Tech Mahindra
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Philadelphia or Seattle
OnsiteFull Time
Responsibilities:defining solutions, analyzing requirements, developing test scripts
Requirements Summary:5 years experience in test execution for telecom networks; experience with LTE/IMS; knowledge of test tools and test strategy; Linux/Solaris/Windows environments.
Technical Tools Mentioned:Spirent Landslide, Keysight LoadCore
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Job Description

Tech Mahindra Network Services has an opening for an Engineer - Test Execution Core in Philadelphia, PA or Redmond/Seattle WA.   Experience with Spirent Landslide, Keysight / Ixia LoadCore or similar tools.

  • Years of Experience:          5 years           
  • Testing Tools:                     Spirent Landslide, Keysight / Ixia Loadcore 
  • Operating System:             Linux, Solaris, Windows        

 

  •  Scope, define and design solution offerings; driving end-to-end technical solutions in pre-sales engagements supporting Customer Unit and Engagement   Practices organizations.
  •  Analyze customer technology, define business requirements and participate in risk analysis.
  •  Work with technical team on preparing test strategy, test plan and test cases for LTE-EPC and VoLTE solution.
  •  Develop test scripts using third party tools, execute test scenarios and update test results in Test management system.
  •  Define feature requirements for CORE and RAN orchestration functions to support Comcast use cases and architecture requirements defined on Service Based Architecture.
  •  Engages with multiple vendor personnel regarding new services and features required of 5G NFs on a Centralized and Edge Data centers.

• Strong knowledge in LTE/UMTS/GPRS with basic IMS knowledge is desired.  5 yrs experience working in wireless telecommunications. 

• Experience with Telco Core networks, Architecture, Protocols and Interfaces

• Good understanding of Wireless Operator’s end-end Network

• Experience with LTE core system interfaces and protocols such as S1-MME, S1-U, S6a, S11, S5/S8, Rx, NAS, S1-AP, RRC, GTPv2c, GTP-U, SGs-AP is desired

• Working Knowledge in any of UMTS/GPRS Protocols such as NBAP, RNSAP, RANAP, BSSAP+ and GTP is preferred

• Must have good working knowledge on VoIP, SIP & IMS.

• Strong Understanding of IMS network architecture and various interfaces like Mw, Mr, Mx, Sh, ISC etc. 

• Must have good hands on experience on various end to end call scenarios, roaming cases and supplementary service features in IMS network.

• Good hands on experience on debugging and troubleshooting of P/I/S-CSCF servers in IMS core network.

• Excellent Understanding of Rel 6/ Rel 7/ Rel 8/Rel 9 3GPP standards

• Expertise in creating test plans for system level, subsystem level and feature level testing

• Understanding of Software testing Life cycle

• Good Knowledge in TCP/UDP, IP protocols and understanding of basic OSI model