Senior ICOMMS RF Engineer — DAS, 5G & Night Shifts

ST ENGINEERING URBAN SOLUTIONS LTD.; Singapore; On-site; SGD 70,000 - 100,000; Full time

Job summary

ST ENGINEERING URBAN SOLUTIONS LTD. invites an experienced RF engineer to join our team in Singapore. The role focuses on DAS systems, RF planning, and integration across BTS and Remote Units with fibre optics and passive RF components.

You will perform RF surveys, drive/walk tests, and troubleshooting, while analysing KPIs and ensuring safety, quality, and regulatory compliance in collaboration with multiple stakeholders.

Qualifications

• Degree or Diploma in Electrical/Electronics/Telecommunications engineering.
• Experience in RF engineering, mobile networks or DAS.
• Knowledge of LTE, 5G NR, GSM, UMTS and RF propagation principles.
• Familiarity with RF testing equipment (spectrum analysers, PIM analysers, cable/antenna analysers, OTDRs, power meters).
• Experience with RF optimisation tools such as Nemo Handy is advantageous.
• Understanding of fibre optic systems, BTS, remote radio units and passive RF infrastructure.
• Ability to interpret engineering drawings and technical specifications.
• Good communication and coordination with multiple stakeholders.
• Willingness to perform night works during MRT hours when required.

Responsibilities

• Plan, design, and implement DAS, BTS, Remote Units, fibre optic networks, RF feeders, antennas and passive RF components.
• Prepare engineering documents including design drawings, RF calculations and testing procedures.
• Coordinate with Mobile Network Operators on integration, testing and commissioning.
• Conduct RF site surveys, drive tests, and troubleshooting using industry tools.
• Analyse KPIs such as RSRP/RSRQ, SINR, throughput and handovers.
• Investigate PIM, interference, VSWR, feeder losses and fibre attenuation.
• Support FAT, SAT, ATP, IST activities.
• Coordinate night works during MRT engineering hours and ensure safety procedures.
• Liaise with civil, electrical, signalling and rail teams for interfaces.
• Supervise subcontractors to ensure quality and compliance.
• Monitor progress and prepare technical reports and risk assessments.
• Ensure compliance with Authority requirements and safety management systems.
• Support fault investigations and emergency restorations as required.

Skills

RF engineering

Mobile communication systems

DAS

Education

Degree or Diploma in Electrical/Electronics/Telecommunications engineering

Tools

Spectrum analysers

PIM analysers

Cable & antenna analysers

OTDRs

Power meters

Nemo Handy

Job description

ST ENGINEERING URBAN SOLUTIONS LTD. invites an experienced RF engineer to join our team in Singapore. The role focuses on DAS systems, RF planning, and integration across BTS and Remote Units with fibre optics and passive RF components.

You will perform RF surveys, drive/walk tests, and troubleshooting, while analysing KPIs and ensuring safety, quality, and regulatory compliance in collaboration with multiple stakeholders.