Location: Chennai, India (In-office)
Department: Engineering – Telecommunications
About Lynk
InCommon is hiring on behalf of Lynk , the pioneer of satellite direct-to-device (D2D) technology and the first company licensed by the FCC to operate a space-based cellular network.
Lynk enables standard, unmodified phones to connect directly to satellites — tested across all seven continents and approved in 30+ countries.
With 40+ operator partnerships, Lynk is scaling globally to connect every person, everywhere.
Role Overview
As a Networking & Telecommunications Software Engineer at Lynk, you’ll design and build the software backbone for the world’s first space-based mobile network.
You’ll work across GSM, LTE, and 5G technologies, developing network protocols, implementing core telecom functions, and integrating software-defined radios within a distributed system.
Key Responsibilities
- Design and implement network protocols and software for signaling, O&M, and testing.
- Develop and integrate telecom systems using C/C++, Python, and Linux IPC mechanisms.
- Build and optimize protocol stacks and network applications across GSM/LTE/5G.
- Conduct unit, integration, and system testing (e.g., Google Test).
- Profile, benchmark, and tune system performance.
Required Qualifications
- Bachelor’s degree in Computer Science, Telecommunications, or related field.
- Strong grasp of networking and telecom protocols (TCP/IP, GSM, LTE, 5G).
- Proficiency in C/C++ or Python with solid OOP skills.
- Experience developing or testing protocol stacks, signaling, or core network applications.
- Familiarity with Linux, socket programming, and multithreading.
- Understanding of 3GPP systems (MME, HLR, HSS, eNodeB, gNB).
Preferred Qualifications
- Experience with GSM/LTE/5G system integration and deployment.
- Knowledge of SIGTRAN, Diameter, SIP, or related signaling protocols.
- Exposure to NFV, Docker/Kubernetes, or cloud platforms (AWS, GCP, Azure).
- Hands-on with SDRs, RF testing, or Wireshark/tcpdump.
- Strong debugging and performance tuning skills.
Soft Skills
- Problem-solving mindset with attention to detail.
- Collaborative and adaptable in fast-paced environments.
- Clear, concise communicator.