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Senior Networking Software Engineer
Senior Networking Software EngineerLynk Global, Inc. • Washington, DC, United States
Senior Networking Software Engineer

Senior Networking Software Engineer

Lynk Global, Inc. • Washington, DC, United States
[job_card.30_days_ago]
[job_preview.job_type]
  • [job_card.full_time]
[job_card.job_description]

About Lynk

Lynk is the inventor of satellite direct to device or D2D technology, and has the world’s only commercial license from the FCC to operate a commercial D2D system. Today, Lynk allows mobile network operators' subscribers to send and receive text messages to and from space via standard unmodified, mobile devices. Lynk’s service has been tested and proven on all seven continents, has regulatory approvals in more than 30 countries and is currently being deployed commercially based on more than 40 MNO commercial service contracts covering approximately 50 countries.

Our technology will enable all 8 billion people on the planet to stay connected with the existing standard phone in their pocket. Everywhere. No matter what.

By joining Lynk, you will have the opportunity to directly touch the lives of billions. Your mission will be to bring mobile broadband to billions, pull hundreds of millions out of poverty, and save countless lives.

Job Summary

As a Senior Networking Software Engineer at Lynk, you will be an integral part of the software development team and contribute to the design, development, integration, and testing of the end-to-end network applications across multiple 3GPP technologies and nodes. In addition, 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, such as, space-based cellular network.

If you enjoy the challenge of wearing many hats and have a track record of creative thinking to solve unconventional problems, then we look forward to meeting you!

Core Responsibilities

  • Design and implement network protocols for space-based cellular networks.
  • Design and implement network software for signaling and O&M operations.
  • Design and implementation of software testing system.

Required Qualifications

  • A Bachelor's degree or higher in Computer Science or related field.
  • Experience developing software for 2G and / or LTE networks.
  • Protocol stack implementation, testing, and quality assurance experience.
  • Strong knowledge of one wireless networking technology, such as GSM, GPRS, LTE, and / or 5G standards, access and core network protocols, and end-to-end network applications.
  • Strong knowledge in core network function blocks, CM, MM, Authentication, HRL, and VLR.
  • Understanding of messaging applications and call processing across the 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.

    • Desired Qualifications

  • Strong modern C++ coding and advanced design patterns.
  • Strong debugging skills, such as gdb, valgrind, etc.
  • Socket and multithreaded programming.
  • Distributed architecture.
  • Experience with end-to-end system integration and deployment of wireless network systems, including GSM, 4G / LTE, or 5G.
  • Experience with mobility management and handover procedures.
  • Radio resource management.
  • GSM : SS7, SIGTRAN, GSM, 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.
  • Network planning.
  • SMS over GSM and LTE.
  • IPv4 and IPv6.
  • Network Function Virtualization (NFV).
  • Amazon Cloud Architecture.
  • Machine Type Communication and IoT.
  • Roaming : 3G, LTE, and 5G Network provisioning and management.

    • Soft Skills

  • Ability to work in teams.
  • Strong collaboration.
  • Positive attitude.

    • Job Location

    Washington, DC area

    #J-18808-Ljbffr

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