Senior Engineer, ICOMMS

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

Key Responsibilities

• Plan, design, and implement Distributed Antenna System (DAS), BTS, Remote Units (RUs), fibre optic networks, RF feeders, antennas, splitters, couplers, and passive RF components.
• Prepare engineering documents including system design, method statements, installation drawings, RF calculations, testing procedures, and as-built documentation.
• Coordinate with Mobile Network Operators on system integration, acceptance testing, and commissioning activities.
• Conduct RF site surveys, coverage analysis, drive tests, walk tests, and troubleshooting using industry-standard tools.
• Analyse KPIs such as RSRP, RSRQ, SINR, throughput, call setup success rate, handover success rate, ERAB success rate, and interference levels.
• Investigate RF issues including Passive Intermodulation (PIM), interference, VSWR, feeder losses, fibre attenuation, and hardware faults.
• Support Factory Acceptance Tests (FAT), Site Acceptance Tests (SAT), Acceptance Test Procedures (ATP), and Integrated System Testing (IST).
• Coordinate night engineering works during MRT engineering hours, ensuring compliance with track access procedures and railway safety regulations.
• Liaise with civil, electrical, signalling, and rail operation teams to coordinate installation activities and project interfaces.
• Supervise subcontractors to ensure installation quality, workmanship, and compliance with project specifications.
• Monitor project progress and prepare technical reports, progress updates, risk assessments, and engineering documentation.
• Ensure all works comply with Authority requirements, workplace safety regulations, and project quality management systems.
• Support fault investigations and emergency restoration activities when required.

Requirements

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