MS Cloud Network Test/LAB Engineer

MS Cloud Network Test/LAB Engineer

Seattle WA

$68/hr C2C

Job Description.

• The IMS Systems Lab Test engineer will primarily work on testing and validating IMS Network Applications on the T-Mobile Private Cloud Platform. This will cover comprehensive and end to end network functionality testing, including IMS-based services such as Voice and Messaging, from 4G, 5G and Wi-Fi access. The test engineer will also verify platform resiliency, negative scenarios and load & performance test cases. The overall objective is to verify functionality and reliability on IMS Network Applications deployed on a private cloud infrastructure.



The Test Engineer should have the following technical background and experience:

• Familiarity with 4G/LTE and 5G SA Cellular Network, including Packet Core and IMS Core.

• Familiarity and experience with IMS/SIP signaling including LTE/5G and IMS Network registration, VoLTE/VoNR call set-up, SMS/RCS message signaling, network SIP routing.

• Experience in lab testing procedures, test cases review and tracking and issue logging and network troubleshooting.

• Experience with Network Tools such as Netscout, Wireshark and Landslide, as well as device test-based tools.

• Experience with Cloud Network platform technology such as Kubernetes and RedHat OCP/OpenShift Container Platform.

• Experience with Core Network Platforms from Mavenir, Nokia or Ericsson.

Mandatory Areas

Must Have Skills

Skill 1 – IMS/SIP signaling knowledge including LTE/5G and IMS Network registration

Skill 2 – VoLTE/VoNR call setup and SMS/RCS signaling understanding

Skill 3 – Experience in testing lab environments including test case review, tracking, and defect logging

Skill 4 – Hands-on with tools such as Wireshark, Netscout, and Landslide

Skill 5 – Experience with Kubernetes and RedHat OCP/OpenShift

Skill 6 – Familiarity with Core Network Platforms like Mavenir, Nokia, or Ericsson

Skill 7 – Network troubleshooting and performance analysis skills

Skill 8 – Understanding of 4G/LTE and 5G SA network architecture, including Packet Core and IMS Core



Domain Experience (If any)

Telecom – Mobile Core Networks, IMS, and Cloud Network Infrastructure



Must Have Certifications

Not mandatory but certifications in Kubernetes (CKA), RedHat OpenShift, or SIP/IMS technologies will be a plus

The ideal candidate should have

1. IMS domain Expertise

2. Call flow knowledge

3. Core network architecture understanding for Nokia / Ericsson / Mavenir

4. Call flow knowledge

5. Test / tool knowledge understanding

6. Cloud architecture / Kubernetes knowledge basic understanding

I need a write up from candidate on below skills :-



Skills Relevant Experience (Short Write up)

IMS Network Applications on Private Cloud

4G, 5G, Wi-Fi access testing (Voice, Messaging)

IMS/SIP signaling (registration, call set-up, messaging)

Lab testing, issue logging, network troubleshooting

Network Tools (Netscout, Wireshark, Landslide, UE-based tools)

Cloud platform experience (Kubernetes, OpenShift)

Core Platforms (Mavenir, Nokia, Ericsson)