Descrição da Vaga

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)

⚠️ Instructions: Please send your CV in English and make sure to include all skills and experience that match the requirements of the opportunity. This will significantly increase your chances of success.

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.
• English proficiency at B2+ level or above.
• Highly desirable: knowledge of ETCS and ERTMS environments.

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

1. How many years of experience do you have in GSM/GSM-R optimization, and which railway projects have you supported?
2. What experience do you have with GSM-R architecture, railway standards, and mission-critical communications?
3. Which tools have you used for drive test analysis, measurement post-processing, and KPI monitoring?
4. Can you describe a coverage, interference, or handover issue you resolved and how you validated the improvement?
5. 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

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