GSM-R OPTIMIZATION ENGINEER (REMOTE)

iTRTech Group; Portugal; Remote; EUR 20,000 - 23,000; Full time

Job summary

iTRTech Group is seeking a Senior GSM-R Optimization Engineer for a fully remote role. You will enhance railway radio coverage, quality, and reliability, supporting rail networks with KPI-driven optimization and data-driven decisions.

The position requires English at least B2+ and 5+ years in GSM-R optimization. You will collaborate with planning, implementation, and operations teams to deliver improvements across projects, contributing to secure and efficient railway communications.

Qualifications

• Minimum 5 years of GSM/GSM-R optimization experience.
• Strong knowledge of GSM-R architecture and railway standards.
• Experience in coverage, capacity, handover optimization and interference analysis.
• Proficient in KPI monitoring and radio troubleshooting.
• Experience with railway mission-critical communications.
• Previous involvement in railway infrastructure projects.

Responsibilities

• Perform GSM-R optimization activities covering coverage, quality, capacity, and interference analysis.
• Monitor network KPIs, analyze drive test results, and post-process measurement data to identify improvements.
• Investigate and resolve radio performance issues affecting railway operations.
• Optimize radio parameters, conduct neighbor audits, review frequency plans, and improve handover performance.
• Support network acceptance, modernization, and expansion projects with planning, implementation, and operations teams.
• Prepare performance reports and optimization recommendations for customer discussions and reviews.

Skills

GSM-R optimization

Drive tests

KPI monitoring

Frequency planning

Interference analysis

Job description

GSM-R OPTIMIZATION ENGINEER (REMOTE ANYWHERE)

Portuguese company hires for remote position.

Location: Remote anywhere.

Work Model: Fully remote.

Language Requirements: English — minimum B2+ mandatory.

Seniority: Senior (5+ years).

Sector: Telecommunications.

Rate Between €1800 - 2100 RV or Unipessoal (gross value).

About The Opportunity

We are looking for an experienced GSM-R Optimization Engineer to support railway communication network projects. You will improve radio coverage, quality, and reliability, ensuring network performance meets railway operational and safety requirements.

Responsibilities

• Perform GSM-R optimization activities covering coverage, quality, capacity, and interference analysis.
• Monitor network KPIs, analyze drive test results, and post-process measurement data to identify improvement opportunities.
• Investigate and resolve radio performance issues affecting railway operations.
• Optimize radio parameters, conduct neighbor audits, review frequency plans, and improve handover performance.
• Support network acceptance, modernization, and expansion projects in collaboration with planning, implementation, and operations teams.
• Prepare performance reports and optimization recommendations, supporting customer technical discussions and project reviews.

Requirements

• Minimum 5 years of experience in GSM/GSM-R optimization.
• Strong understanding of GSM-R architecture and railway telecommunications standards.
• Experience in coverage and capacity optimization, handover optimization, frequency planning, and interference analysis.
• Strong knowledge of KPI monitoring, radio troubleshooting, and drive test evaluation.
• Experience with railway operational requirements and mission-critical communications.
• Previous involvement in railway infrastructure projects.

  Ideal Candidate Profile

  An engineer with practical radio optimization experience and a clear understanding of railway communication requirements. Able to investigate performance issues, translate measurement data into corrective actions, and communicate recommendations effectively to customers and technical teams, with a focus on network reliability.

  5 Questions for Candidates

  • How many years of experience do you have in GSM/GSM-R optimization, and which railway projects have you supported?
  • What experience do you have with GSM-R architecture, railway standards, and mission-critical communications?
  • Which tools have you used for drive test analysis, measurement post-processing, and KPI monitoring?
  • Can you describe a coverage, interference, or handover issue you resolved and how you validated the improvement?
  • What is your English level, availability, and alignment with the €1800–2100 compensation range?

  Keywords

  GSM-R, GSM, Radio Optimization, Railway Telecommunications, Mission-Critical Communications, KPIs, Drive Test Analysis, Coverage, Capacity, Handover, Frequency Planning, Interference Analysis, ETCS, ERTMS