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
As a Senior Networking Software Engineer, your core responsibilities are as follows
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 5GNetwork provisioning and management.
Soft Skills
Ability to work in teams.
Strong collaboration.
Positive attitude.
Job Location
Washington, DC area
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Join Lynk as a Senior Networking Software Engineer and be at the forefront of revolutionizing global communication! Lynk is pioneering satellite direct to device (D2D) technology and holds the unique distinction of having the world's only commercial license from the FCC for a commercial D2D system. In this role, based in Falls Church, you will play a crucial part in the software development team, contributing to the design and implementation of end-to-end network applications across a variety of 3GPP technologies. Your creativity will shine as you design network protocols specifically for space-based cellular networks and execute software that supports operations and maintenance. With your expertise in systems integration and a passion for solving unconventional problems, you will be instrumental in establishing the world's first 3GPP NTN infrastructure. This is an excellent opportunity to harness your technical skills while contributing to a mission that aims to connect billions of people worldwide. If you're ready to dive into a dynamic environment where your work truly makes a difference, we can't wait to meet you!
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