BENGALURU · FULLTIME
SMF Test Engineer
Fuzixel Technologies
Bengaluru · onsite · Posted 33d ago
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Undisclosed6–10 yrsfulltimeBengaluru
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Section · 01
About this role
Tips: Provide a summary of the role, what success in the position looks like, and how this role fits into the organization overall.
Responsibilities
We are looking for experienced SMF Test Engineers with strong expertise in 4G EPC and 5G Core Packet Core networks . The ideal candidate should have hands-on experience in testing, deployment, configuration, troubleshooting, and validation of packet core network functions.
Key Responsibilities
- Perform system testing and validation of 5G Core / 4G EPC network functions .
- Work hands-on with 5G SMF and/or 4G EPC products such as PGW, SAEGW, and SGW .
- Deploy, configure, troubleshoot, and validate packet core network functions in lab or production environments.
- Perform testing in Kubernetes-based containerized environments .
- Analyze and validate end-to-end telecom call flows, including:
- Session establishment
- Mobility procedures
- Charging
- Policy control
- Subscriber management
- LTE, NSA, and SA scenarios
- Analyze logs, traces, and test results to identify issues and perform troubleshooting/RCA.
- Collaborate closely with R&D and development teams to drive defects/issues through resolution.
- Develop and execute test automation from Day 1 .
- Utilize AI tools effectively to improve testing quality, productivity, and troubleshooting efficiency.
Required Technical Skills
Packet Core:
- Strong knowledge of 4G EPC and 5G Core
- Hands-on experience with SMF and/or PGW, SAEGW, SGW
Protocols:
- PFCP
- GTPv2-C
- Diameter
- SCTP
- HTTP/2
- REST APIs
Testing & Troubleshooting:
- System testing and validation
- End-to-end call-flow analysis
- Log and trace analysis
- Issue troubleshooting and RCA
- Wireshark / tcpdump
- Telecom test tools for network function validation
Cloud / Containerization:
- Kubernetes
- Containerized network functions
3GPP Knowledge:
- 5G Core Architecture & Procedures - 3GPP TS 23.501, TS 23.502
- EPC Architecture & Procedures - 3GPP TS 23.401, TS 23.402
Candidate Profile
- 6-10 years of relevant telecom testing experience.
- Strong hands-on experience in 4G EPC / 5G Core Packet Core testing .
- Experience with SMF or PGW/SAEGW/SGW is required.
- Strong troubleshooting and analytical skills.
- Strong focus on test automation .
- Good understanding of 3GPP specifications and telecom protocols.
- Comfortable working in a Kubernetes/containerized environment .
- Willingness to work from the Bangalore office .
Preferred Experience
Candidates with experience in 5G SA/NSA, SMF testing, PFCP/GTP signaling, Kubernetes, packet analysis, and test automation will be highly relevant
[Be specific when describing each of the responsibilities. Use gender-neutral, inclusive language.]
Example: Determine and develop user requirements for systems in production, to ensure maximum usability
Qualifications
[Some qualifications you may want to include are Skills, Education, Experience, or Certifications.]
Example: Excellent verbal and written communication skills
Disclaimer: This job posting has been aggregated from external source. Role details, content, and availability are subject to change. Applicants are advised to confirm the latest information directly on the company website before applying.
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Section · 02
Skills
TestingHTTPTroubleshootingsystem testingwiresharkEPCSctpAutomation TestingRCATelecom