Network Software EngineerNetwork Software Engineers design and implement computer and information networks, such as local area networks (LAN), wide area networks (WAN), intranets, extranets, and other data communications networks.Location: Seven Corners, VA 22044Compensation: negotiablePermanent Residents and US citizens onlyStock optionsLocated 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. Series B funding arrives in March 2025.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:Design and implement network protocols for space-based cellular networksDesign and implement network software for signaling and O&M operationsDesign and implementation of software testing systemQualificationsExperience 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.Desired Qualifications:Strong modern C++ coding and advanced design patterns.Strong debugging skills (gdb, valgrind, etc.)Socket and multithreaded programmingDistributed architectureExperience with end-to-end system integration and deployment of wireless network systems, including GSM, 4G/LTE, or 5GExperience with mobility management and handover procedures.Radio resource managementGSMSS7, SIGTRAN, GSM, VLR, HLR, MSC, SMSC, Billing, CAMEL, GPRS4G/LTEUMTS, RNC, Node-BLTE Uu interface, eNodeB, MME, HSS, Diameter, PDN-GWSIP5GVoLTE, Beamforming, SMS over IMS, MIMONetwork SecurityNetwork planningSMS over GSM and LTEIPv4 and IPv6Network Function Virtualization (NFV)Amazon Cloud ArchitectureMachine Type Communication and IoTRoaming: 3G, LTE, and 5GNetwork provisioning and managementWhy is This a Great OpportunityVery exciting startup which is looking to hire 65 technology professionals.
Patented Cellular to Satellite communications.