What are the responsibilities and job description for the Network 4G/5G Services Tester position at Advantra Consulting Group?
Job Details
Job Title: Network 4G/5G Services Tester
Location: Redmond , WA (Onsite)
Bachelor degree accepted till 2014 not after,
H1-B with PP Number
Responsibilities:
- Execute manual and automated test cases; troubleshoot issues using logs and traces.
- Coordinate with Network Function owners and Lab Support teams (onshore/offshore) to resolve issues.
- Perform regression and new service testing in lab and production environments.
- Validate new services or regressed releases and document the validation process.
- Modify and create new test cases using automation infrastructure.
- Collaborate with Automation team to improve reliability and issue identification.
- Develop automation solutions to enhance lab stability.
- Write detailed requirements for new test case automation, including steps and validation criteria.
- Procure necessary devices/builds for service testing.
Skills Required:
- Expertise in 5G SA/NSA and LTE call flows (E2E: Device RAN Core Network).
- In-depth knowledge of service call flows: Voice, Messaging, UCE, UT, USSI, HTTP, VoLTE, VoWiFi, IR92, IR94, AS262 HO, WPS, RTT, N11, International Wi-Fi, S8HR.
- Strong understanding of VOIP protocols: SIP, Megaco/H.248, MGoogle Cloud Platform, DNS, LNP, TCAP, SDP, RTP, DIAMETER; IMS (Audio/Video signaling, IM, RCS, Presence, Subscription), VoNR, VoLTE/LTE EPC.
- Proficiency in 5G and LTE EPC core protocols: GTPV2C, GTPV1C, GTPV1U, S1AP.
- Experience with NATing and Proxy functions in packet core environments, including routing/firewall implications.
- Excellent troubleshooting and communication skills (written and verbal).
- Ability to clearly articulate complex issues and solutions.
- Experience with automated testing using simulation and real UE automation.
- Team-oriented mindset with a focus on delivering quality projects on time.
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