FRMCS Migration Engineer for Critical Rail Networks

ISG Personalmanagement GmbH; Wien; On-site; EUR 70,000 - 85,000; Full time

Job summary

ISG Personalmanagement GmbH seeks a Telecom Migration Engineer for Critical Networks to lead the migration from GSM-R to FRMCS across major European rail projects. The role focuses on designing target architectures and coordinating with operators, railways, customers, suppliers and OEM partners to ensure continuous, safe train-ground communications.

You will define migration phases, perform risk mitigation, and contribute to PoCs and field tests while leveraging FRMCS and 5G knowledge.

Qualifications

• Completed technical degree in telecommunications, electrical engineering, IT, or equivalent background.
• Several years of professional GSM-R, MCX, railway telecommunications, or related networks experience.
• Solid GSM-R architectures and Core NSS knowledge; FRMCS and 5G familiarity.
• Experience in international customer projects and technical stakeholder management.
• Excellent command of German and English (spoken and written).
• Willingness for occasional business travel.

Responsibilities

• Target Architecture Design: Develop target architectures, transition concepts, and migration strategies for GSM-R to FRMCS evolution.
• Risk Mitigation & Continuity: Define migration phases, fallback strategies, and rollback plans to ensure uninterrupted operations.
• Technical Analysis & Engineering: Analyze GSM-R infrastructures, prepare High-Level Designs (HLDs), concepts, and MoPs.
• Technical Stakeholder Management: Coordinate topics with operators, railway companies, customers, suppliers, and OEM partners.
• Pilots & Innovation: Support pilot projects, PoCs, field tests, and initial FRMCS implementations.

Skills

GSM-R architectures

Core NSS components

FRMCS knowledge

MCX (MCPTT/MCData/MCVideo)

5G environments

Stakeholder management

International projects

German & English language skills

Education

Technical degree in Telecommunications / Electrical Engineering / Information Technology

Job description

ISG Personalmanagement GmbH seeks a Telecom Migration Engineer for Critical Networks to lead the migration from GSM-R to FRMCS across major European rail projects. The role focuses on designing target architectures and coordinating with operators, railways, customers, suppliers and OEM partners to ensure continuous, safe train-ground communications.

You will define migration phases, perform risk mitigation, and contribute to PoCs and field tests while leveraging FRMCS and 5G knowledge.