Principal Engineer

StarHub Ltd; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

StarHub Ltd is seeking a skilled Network Engineer to join our Radio Technology 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.

Qualifications

• Bachelor’s degree in electrical/electronic engineering, computer science, or related field.
• 5+ years of hands-on experience in mobile network design, planning, and optimization.
• Strong understanding of 4G/5G RAN + ORAN technologies, network layers, and deployment workflows.
• Experience with multi-vendor environments and integration of third-party network solutions.
• Proficient in radio 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.
• AI certification is an advantage

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 indoor and outdoor 4G/5G base stations deployment and integration.
• 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 UE test tools and perform drive tests to validate network performance, including signaling analysis and troubleshooting.
• Support multi-band and multi-technology trials and deployments and spectrum re-farming for 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.

Skills

RAN design

Network optimization

Scripting (Python/Java/C#/SQL)

AI & Open RAN initiatives

Technical leadership

Cross-functional collaboration

Education

Bachelor’s degree in Electrical/Electronic Engineering or Computer Science

Tools

Atoll

iBwave

Actix

TEMS

Keysight

R&S

Anritsu

Job description

Hiring a skilled Network Engineer to join our Radio Technology 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 signalling analysis and troubleshooting.
• Support multi-band and multi-technology trials and deployments 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/Electronic 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 + ORAN technologies, network layers, and deployment workflows.
• Experience with multi-vendor environments and integration of third-party network solutions.
• Proficient in Radio 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.
• AI certification is an advantage

Skills and Competencies:

• Cellular DAS Design, Deployment, Commissioning & Optimization
• RF Lab Architecture & Operations, Shielded Chambers (5G FR1/FR2)
• G NR Beamforming, MIMO, CA, EN-DC, DSS
• MNO Liaison, Vendor Governance, RFP/BOM
• Tools: Atoll, iBwave, Actix, TEMS, Keysight, R&S, Anritsu
• RF System Design & Multi-Technology Integration (5G/4G/3G)
• Distributed Antenna System (DAS) Engineering (Active/Passive/Hybrid)
• In-Building Coverage (IBC) Planning & Venue Modelling
• Fiber & RF Distribution Network Architecture (RF/Optical)
• Test Methodology Development, Quality Assurance & Compliance
• Performance Analysis, KPI Reporting & Optimization
• Contractor, Vendor & Supplier Performance Management
• Commercial Proposal Preparation, Costing & Technical Documentation