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Principal Engineer
SG
Job Description
We are looking for a passionate and skilled Network Engineer to join our high-energy team, driving the design, deployment, and evolution of next-generation mobile networks. This role combines deep technical expertise in 4G/5G RAN, hands-on rollout experience, and a forward-looking mindset toward AI-driven and Open RAN network transformation.
MAJOR DUTIES AND RESPONSIBILITIES
• Act as a domain expert in RAN design and optimization, focusing on 5G architecture, parameter planning, and network tuning.
• Collaborate closely with Antina site rollout, integration, and field validation of mobile base stations.
• Familiar with both indoor and outdoor 4G/5G base stations deployment and integration of both indoor and outdoor.
• Collaborate with internal stakeholders and infrastructure partners to manage rollout activities, site integration, and performance validation.
• Conduct end-to-end feature testing, lab trials, and user acceptance testing for firmware, software upgrades, and new network capabilities.
• Familiar with the UE test tools and perform drive test to validate the network performance, including signaling analysis and troubleshooting.
• Support multi-band and multi-technology trials and deployments, including new frequency (NR700) and spectrum re-farming for both NSA and SA networks.
• Engage in Open RAN and AI-RAN initiatives, including RIC integration, SON, and automation for zero-touch operations.
• Leverage 3GPP standards and best practices to support scalable and future-ready network architectures.
• Apply cost-optimized strategies to improve CAPEX/OPEX efficiency in network rollouts and enhancements.
• Contribute to enterprise 5G and private network deployments, supporting industry-specific use cases and business demands.
• Collaborate with analytics and strategy teams to explore data monetization opportunities using RAN/Core network insights and digital twin technologies.
Qualifications
• Bachelor’s degree in Electrical/Electronics Engineering, Computer Science, or a related field.
• 5+ years of hands-on experience in mobile network design, planning, and optimization.
• Strong understanding of 4G/5G RAN technologies, network layers, and deployment workflows.
• Experience with multi-vendor environments and integration of third-party network solutions.
• Proficient in network troubleshooting, parameter tuning, and performance analytics.
• Familiarity with cloud-native architecture, containerization (e.g., Kubernetes), and network slicing is preferred.
• Hands-on experience with scripting or programming (e.g., Python, Java, C#, SQL) for automation and reporting.
• Strong analytical, interpersonal and communication skills to lead cross-functional collaboration and vendor coordination.