Network Software Architect

3 days ago

Falls Church, Virginia, United States Lynk Global Inc Full time

Lynk Global Inc, a pioneer in satellite-direct-to-standard-phone technology, is seeking an experienced Network Software Engineer to join its growing team. With the goal of enabling 8 billion people worldwide to stay connected via their standard phones, we are revolutionizing mobile broadband.

About the Opportunity

This is a unique chance to contribute to the design, development, and testing of end-to-end network applications across various 3GPP technologies and nodes. You will be responsible for writing and implementing software that serves as the backbone of interconnects to establish the world's first 3GPP NTN infrastructure, a space-based cellular network.

Key Responsibilities

  • Design and implement network protocols for space-based cellular networks.
  • Develop network software for signaling and O&M operations.
  • Create and implement software testing systems.

Requirements

  • Experience developing software for 2G and/or LTE networks.
  • Protocol stack implementation, testing, and quality assurance experience.
  • Strong knowledge of one wireless networking technology (GSM, GPRS, LTE, and/or 5G standards, access and core network protocols, and end-to-end network applications).
  • Understanding of messaging applications and call processing across telecom network nodes.
  • Prior hands-on experience implementing core network protocol stacks or network applications, ability to code across the full stack, strong Linux administration, including scripting.
  • Open-source tools development, implementation, and/or collaboration experience and source code control systems (Git/GitLab).
  • Experience with C/C++, Python, and debugging tools.

Desirable Skills

  • Advanced modern C++ coding skills and knowledge of design patterns.
  • Strong debugging skills (gdb, valgrind, etc.).
  • Socket and multithreaded programming expertise.
  • Distributed architecture knowledge.
  • End-to-end system integration and deployment experience of wireless network systems, including GSM, 4G/LTE, or 5G.
  • Mobility management and handover procedure understanding.
  • Radio resource management knowledge.
  • GSM: SS7, SIGTRAN, VLR, HLR, MSC, SMSC, Billing, CAMEL, GPRS.
  • 4G/LTE: UMTS, RNC, Node-B, LTE Uu interface, eNodeB, MME, HSS, Diameter, PDN-GW, SIP.
  • 5G: VoLTE, Beamforming, SMS over IMS, MIMO.
  • Network Security awareness.
  • Network planning expertise.
  • SMS over GSM and LTE knowledge.
  • IPv4 and IPv6 familiarity.
  • Network Function Virtualization (NFV) knowledge.
  • Amazon Cloud Architecture understanding.
  • Machine Type Communication and IoT experience.
  • Roaming: 3G, LTE, and 5G network provisioning and management.

What We Offer

  • An estimated salary of $120,000 - $180,000 per annum based on qualifications and experience.
  • A dynamic and innovative work environment.
  • The opportunity to work on cutting-edge technology and contribute to a global mission.
  • Ongoing professional development and training opportunities.

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