FREELANCE Validation Engineer Software (m/f/d) // Signaling Technology// Long-term //Exciting Project

Project overview

My client, a renowned company in rail transport, is looking for a highly qualified validator (m/f/d) to support a demanding project. In this role, you will independently validate robust and high-performance software and entire systems for modern signaling and control systems within an agile team. With your deep understanding of validation methodologies, your experience in safety-critical railway applications (SIL 4), and your structured approach to requirements and test management, you will make a decisive contribution to the proof of compliance, approval, and safety of modern signaling systems.

Position: Validator / Validation Engineer Software & Systems (m/f/d)

Responsibilities

• Evaluation and validation of software and system requirements as well as associated implementations for modern signaling and control systems
• Systematic validation in compliance with strict safety standards for the railway industry (esp. DIN EN 50126 / DIN EN 50128 / SIL 4)
• Review and ensure complete traceability from high-level requirements to test cases and validation results
• Creation of validation plans, validation reports, and acceptance documentation in the requirements and test management tool Polarion
• Execution and evaluation of system and validation tests, as well as close collaboration with development, safety, and assessment teams within the scope of approval processes

Requirements

Are you currently available and possess the required competencies? Then contact us today with your profile and hourly rate at *@*.de and secure your project with an exciting client.

Sincerely

Tom Krüger

• Successfully completed degree in Computer Science, Electrical Engineering, Technical Computer Science, Systems Engineering, or a comparable qualification
• Several years of experience in the validation, testing, or quality assurance of safety-critical software / systems (Functional Safety)
• Sound knowledge of the relevant CENELEC standards in the railway context (DIN EN 50126, EN 50128, EN 50129) up to SIL 4
• Practical experience with Polarion (requirements and test management as well as traceability)
• Familiarity with the analysis of C++ code or model-based software development as part of validation activities is an advantage
• Prior knowledge of signaling system architectures, train control systems (e.g., ETCS), or railway-specific interfaces and protocols
• Very good German and good English skills, both written and spoken

Project details

Earliest start 12/01/2026 / latest start 01/04/2027

Utilization: Full-time

12 months with option for extension

Hybrid - Lower Saxony region

• Start: 2026-12
• Duration: 12 Monate
• Remote: hybrid
• Location: hannover, Deutschland, DE
• Languages: German