Core Network Engineer
About the role
The Core Network Engineer position is a one-year renewable contract based in Colombo 01. The role involves planning, engineering, and troubleshooting mobile core networks, including end-to-end analysis, call trace troubleshooting, and optimization of PS, CS, and VoLTE. The engineer will execute firmware and hardware upgrades, monitor network health, and provide Level 2/3 technical support for complex wireless network issues. Candidates should have at least 5 years of relevant experience and a bachelor's degree in a related field, with strong knowledge of 3GPP standards, core network elements, and basic scripting for automation.
Must have
- 5+ years of experience in mobile core network planning or engineering.
- Bachelor’s degree in Telecommunications, Electrical Engineering, Computer Science, or related field.
- Strong understanding of 3GPP standards and protocols (e.g., GTP, SCTP, Diameter, HTTP/2).
- Hands-on experience with core network elements (e.g., MME, SGW, PGW, AMF, SMF, UPF, DNS).
- Basic scripting (Python/Bash) for automation.
Technologies
- Bash
- DNS
- Firmware
- Python
- Wireshark
Highlights
Applicants are required to send their updated CV to rasanath@envoyortus.com. The position is a one-year contract with the possibility of renewal and is based in Colombo 01.
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