Senior 5G Core Software Engineer

Updated on 6/5/2024



51-200 employees

Developing sustainable LEO network using AIoT

AI & Machine Learning


Arlington, TX, USA

Required Skills
Data Structures & Algorithms
Quality Assurance (QA)
  • MSc/MEng in Electrical/Communications Engineering or equivalent
  • 12+ years of experience in programming in C/C++ for real-time and near real-time applications
  • Working knowledge of Matlab
  • Working knowledge of network virtualization and microservices based architecture
  • Working knowledge of Perl/Python scripting language
  • Ability to read and understand 3GPP rel 15/16 all relevant standards for our 5G Core
  • Ability to derive algorithms and /or implementation out of 3GPP rel 15/16 all relevant standards for our 5G Core
  • Ability to develop and analyze algorithms by means of Matlab and/or C language or C++
  • Ability to analyze and develop standard 5G Core interfaces with low latency
  • Ability to analyze and develop 5G Core features in SW based on abstract I/F description
  • Ability to implement SW test cases suitable for verifying the to be implemented 5G feature
  • Ability to generate test cases and verification metrics for 5G Core and execute unit/functional/regression test cases together with QA department
  • Understand the constraints of Real Time SW
  • Ability to write Make files
  • Ability to write scripts in languages such as Perl or Python
  • Ability to work with Teamcity or equivalent build server
  • Ability to work with JIRA or equivalent Issue Tracking System
  • Ability to handle SW within a gitlab repository
  • Ability to document project results within a Confluence or equivalent Wiki project
  • Ability to understand and work according company specific ISO-9001 implementation
  • Ability to understand and work according SCRUM/Continuous Integration working methods
  • Do Customer project reporting to internal project team and/or CA management
  • Implementation of 5G Core and all 5G core network components for user plane and control plane
  • Implementation of new features for NTN communication in 5G Core, and network interfaces
  • Implementation of new features for eMTC communication in 5G Core and network interfaces
  • Creation of test cases for each node and application of 5G Core and functionality
  • Verification of AMF/SMF/AuSF/NEF/PCF/UDM/UDR/UPF and other 5G network core functionality and using test equipment, real and/or simulated gNB and UEs
  • Debugging of SW implementation errors
  • Documentation of implemented work
  • Integration of 5G Core control and user plane with gNB
  • Integration of 5G Core with BSS/OSS/EMS systems
  • Effort estimation of implementation of Core development tasks
  • Reporting on progress of SW implementation
  • Handling of customer request related to 5G Core
  • Team player and agile SW development practices
  • Familiar with SDR and SoC architectures

E-Space is developing a sustainable low earth orbit (LEO) network to securely connect billions of devices on Earth, utilizing Artificial Intelligence of Things (AIoT) for actionable insights and automation. The company's goal is to make space universally accessible and affordable, while minimizing space debris and preserving access to space for future generations.

Company Stage


Total Funding



Saratoga, California



Growth & Insights

6 month growth


1 year growth


2 year growth



Competitive salaries

Continuous learning and development

Health and wellness care options

Financial solutions for the future

Optional legal services

Paid holidays

Paid time off