Intellyk Inc. · 5 months ago
4G/5G Services Tester
Intellyk Inc. is a company focused on telecommunications services, and they are seeking a 4G/5G Services Tester. The role involves executing test cases, troubleshooting issues, and coordinating with teams to ensure service quality in lab and production environments.
Information ServicesInformation TechnologyIT Infrastructure
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
Qualification
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, MGCP, 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
Company
Intellyk Inc.
Intellyk Inc.
H1B Sponsorship
Intellyk Inc. has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (49)
2024 (31)
2023 (35)
2022 (37)
2021 (57)
2020 (30)
Funding
Current Stage
Growth StageCompany data provided by crunchbase