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# L2-L3 Support Engr

- **Company:** L&T Technology Services
- **Location:** Dallas, TX, United States
- **Contract:** Permanent contract
- **Skills:** 4G (Telecommunication), LTE (Telecommunication), Linux, Internet Protocol Security (IP SEC), Python (Programming Language), Laboratory Information Management Systems, Multimedia Messaging Services, OpenStack, System Testing, Wireshark, WebKit, Scripting, Kubernetes, Vmware
- **Published:** July 15, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=6a53a0d89f5059d1

## About the Role

* Proven experience with troubleshooting principles, methodologies, and issue resolution techniques in Telecom domain and IMS (4G/5G/LTE) Core networks.
 * Experience in Case Handling, including Emergency Support activities
 * Experience in Conducting root cause analysis and recommend corrective actions to enhance customer experience.
 * Extensive knowledge and expertise in the IMS VoLTE domain including of Nokia IMS Core products including CNCS, Nokia TAS, Nokia SBC, MRF, LIMS, SMSC/MMSC, BMC, Presence Server, UMC, SMS Gateway
 * Competences and Expertise in LTE/5G system validation (end-to-end performance, KPI handling, mobile devices).
 * Deep knowledge and understanding of SIP, Diameter and H.248 Protocols including knowledge of TLS, IPSEC, RTP.
 * Solid experience with Protocol Analyzer Tools (Wireshark) and internal message flow protocols.
 * Knowledge and experience with Linux. Strong scripting skills and ability to automate manual tasks which could be easily converted to a script using shell, python.
 * Knowledge of Kubernetes, VMWare, OpenStack, Kubernetes, CBIS, CBAM, and NCS

Qualification:

 * Engineering Degree

## Description

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L2-L3 Support Engr

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.css-fa7m9o{color: var(-chakra-colors-link);}
LTTS Dell Offsite Centre
Dallas, Texas
.css-15mn9qb{display: -webkit-box;display: -webkit-flex;display: -ms-flexbox;display: flex;margin-top: var(-chakra-space-6);-webkit-box-pack: start;-ms-flex-pack: start;-webkit-justify-content: flex-start;justify-content: flex-start;}@media screen and (min-width: 30em){.css-15mn9qb{-webkit-box-pack: center;-ms-flex-pack: center;-webkit-justify-content: center;justify-content: center;}}
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var(-chakra-space-6);-webkit-padding-end: var(-chakra-space-6);padding-inline-end: var(-chakra-space-6);background: #003f72;color: #ffffff;}.css-29n18m: focus,.css-29n18m[data-focus]{box-shadow: var(-chakra-shadows-outline);}.css-29n18m[disabled],.css-29n18m[aria-disabled=true],.css-29n18m[data-disabled]{opacity: 0.4;cursor: not-allowed;box-shadow: var(-chakra-shadows-none);}.css-29n18.css-29n18.css-29n18
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.css-sa0sfl{font-size: 20px;font-weight: 700;padding-bottom: 12px;}, "L&T Technology Services LTD is an equal opportunity employer and is committed to providing reasonable accommodations to qualified individuals with disabilities. If you require any accommodations to participate in the recruitment process or to perform the essential functions of the job, please let us know. We will work with you to provide reasonable accommodations in accordance with applicable law."
.css-1uw51ih{padding: 28px 0;display: -webkit-box;display: -webkit-flex;display: -ms-flexbox;display: flex;-webkit-flex-direction: row;-ms-flex-direction: row;flex-direction: row;-webkit-box-flex-wrap: wrap;-webkit-flex-wrap: wrap;-ms-flex-wrap: wrap;flex-wrap: wrap;-webkit-align-items: baseline;-webkit-box-align: baseline;-ms-flex-align: baseline;align-items: baseline;-webkit-box-pack: justify;-webkit-justify-content: space-between;justify-content: space-between;padding-bottom: 16px;}


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