

Search by job, company or skills

We are seeking a Wireless Network R&D / Software Engineer to design, develop, test, and improve mobile core network software for Private Mobile Networks.
The successful candidate will contribute to 3GPP-compliant mobile core functions, translating telecom specifications into maintainable, reliable, and production-ready software.
This role combines hands-on software engineering, network protocol research, cloud-based test environment development, interoperability testing, fault analysis, and technical documentation.
KEYRESPONSIBILITIES
You will support R&D and software development for mobile core network products, with responsibilities spanning software design, protocol implementation, cloud-based testing, quality improvement, and technical documentation.
Mobile Core Software Design & Development
. Design and implement mobile core network functions using Go, with opportunities to apply Rust where suitable.
. Research 3GPP specifications and translate relevant requirements into software design, implementation, and test requirements.
. Develop maintainable, reliable, and operable software components for Private Mobile Network products.
Protocol & Network Engineering
. Work with mobile core protocols and interfaces such as S1AP, PFCP, GTP, Diameter, RTP, and SIP.
. Apply Linux and IP networking knowledge to support network software development, integration, and troubleshooting.
. Analyze network behavior using logs, packet captures, and tools such as Wireshark.
Testing, Quality & Interoperability
. Perform unit testing, integration testing, interoperability testing, and load testing.
. Build cloud-based test environments on GCP and conduct validation under realistic operating conditions.
. Identify, analyze, and resolve defects through systematic fault investigation and quality improvement activities.
Cloud-Native & DevOps Engineering
. Use Docker and related virtualization technologies to support development and test environments.
. Apply Git-based team development practices, including code reviews and design reviews.
. Contribute to cloud-native development practices, with opportunities to work with Kubernetes and scalable deployment environments.
Documentation & Team Collaboration
. Write clear technical documentation covering design decisions, software behavior, test results, and operational considerations.
. Collaborate with engineers, researchers, product stakeholders, and partner teams to deliver high-quality network software.
. Communicate technical findings clearly through logical problem analysis and structured reporting.
REQUIREDQUALIFICATIONS
Education:
. Bachelor's or Master's degree in Computer Science, Computer Engineering, Electrical Engineering, Telecommunications, Information Technology, or a related discipline.
Experience:
. Experience developing commercial software.
. Implementation experience using the Go programming language.
. Basic knowledge of Linux and IP networking.
. Knowledge of virtualization technologies such as Docker.
. Knowledge of cloud computing and cloud-based development or testing environments.
. Team development experience using Git.
. Strong logical problem analysis, technical communication, and collaboration skills.
TECHNICALSKILLS
Programming & Software Engineering
Go, Rust, commercial software development, maintainable code design, unit testing, code reviews, and design reviews.
Mobile Core & Telecom Protocols
3GPP specifications, EPC, IMS, 5GC, S1AP, PFCP, GTP, Diameter, RTP, SIP, and protocol-oriented software requirements.
Cloud & Infrastructure
Linux, IP networking, GCP, Docker, Kubernetes, virtualization technologies, cloud computing, and cloud-native development environments.
Testing & Fault Analysis
Integration testing, interoperability testing, load testing, logs, packet captures, Wireshark, defect analysis, and quality improvement.
Development Practices
Git-based team development, technical documentation, structured problem solving, communication, and collaboration across engineering teams.
PREFERRED QUALIFICATIONS
. Development experience with Rust.
. Experience with EPC, IMS, or 5GC.
. Knowledge of mobile core protocols such as S1AP, PFCP, GTP, Diameter, RTP, and SIP.
. Design and implementation experience referencing 3GPP specifications.
. Fault analysis experience using Wireshark.
. Experience with Kubernetes.
. Cloud-native development experience.
EXPECTED OUTCOMES
. Within 2 months: understand the development environment and product architecture.
. Within 6 months: independently develop assigned features and evaluate existing deliverables.
. Within 12 months: lead quality improvements as the owner of key features.
WHAT WE LOOK FOR
. Strong software engineering fundamentals and interest in wireless network technologies.
. Ability to read specifications, reason logically, and translate requirements into robust implementation.
. Hands-on mindset for debugging, packet-level analysis, interoperability testing, and quality improvement.
. Clear communication skills for technical documentation, design discussion, and team collaboration.
. Motivation to contribute to reliable Private Mobile Network products and next-generation wireless solutions.
Job ID: 152245405