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Network Software Engineer – Job Order 3414

Network Software Engineer – Job Order 3414

Location: Seven Corners, VA 22044
Compensation: negotiable
H-1b sponsorship available for existing H-1B’s
Stock options

Located in the northern Virginia, Washington, DC metro area, my client is a startup with patented communications technology that enables text messaging anywhere in the world with direct satellite to mobile device communications which does not require special dedicated receivers to operate, just your standard mobile device. They have series A funding and will soon be going out for series B.

Job Summary:

As a Network Software Engineer, 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 (i.e., space-based cellular network).

Core Responsibilities:

As a Network 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

General Qualifications (Required):

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).

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.

Specific Qualifications (Desired):

Strong modern C++ coding and advanced design patterns.

Strong debugging skills (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





LTE Uu interface, eNodeB, MME, HSS, Diameter, PDN-GW



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

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