Job Description – Technical Analyst Java

We are looking for a Technical Analyst Java to join a strategic project within client, supporting the evolution of critical systems used for railway infrastructure data management and real-time traffic operations.

Context

You will join the Traffic Data Solution team, working on the consolidation and modelling of railway infrastructure data (tracks, lines, signals, switches, etc.) into a unified graph-based representation.

These data are essential for planning systems and real-time traffic monitoring, directly supporting Infrabel’s core operations.

Mission

As a Technical Analyst, you will bridge functional and technical teams by transforming business requirements into technical specifications and robust system designs.

You will work closely with functional analysts and developers on both new developments and maintenance of existing applications.

Key Responsibilities

Analyse functional requirements from a technical perspective
Design and write detailed technical specifications (flows, components, interfaces)
Define processing rules, data structures, and algorithms
Design and optimise data processing and graph-based algorithms
Contribute to CI/CD pipeline design and DevOps practices
Ensure application of security standards and best practices
Document technical solutions and complex algorithms
Support reverse engineering and debugging of existing systems when needed
Participate in Agile/Scrum planning and iterative delivery
Conduct technical analysis and feasibility assessments

Technical Environment & Skills

Java (Java 11+) development (≥ 5 years)
Spring Framework, Maven
JPA / Hibernate
SQL
REST APIs, Swagger (knowledge of gRPC, Protobuf is a plus)
XML / XSD / JSON
Test Driven Development (JUnit, Mockito)
CI/CD tools (Git, Jenkins, Artifactory)
Kubernetes / OpenShift
Agile / Scrum methodology (≥ 5 years)
UML / BPMN modelling
Algorithm design and optimisation (graph/data processing focus)
Angular (basic knowledge appreciated)

Languages

French or Dutch: C2 (one of the two languages)
Other national language: B2
English: C1

Soft Skills

Strong understanding of Infrabel’s environment and IT context
Ability to work in complex, critical infrastructure projects
Excellent communication and synthesis skills
Structured, rigorous and detail-oriented mindset
Strong team integration and collaboration mindset
Alignment with values: care, courage, positivity, reliability
Professional attitude and stakeholder communication

Working Approach

Agile / Scrum environment
Iterative and incremental delivery approach
Strong collaboration with functional analysts, developers, and stakeholders
Focus on documentation, clarity, and maintainability

Additional Requirement

Candidates must provide clear and traceable justification of all competencies, including:

Exact CV page references
Organisation where experience was acquired
Clear mapping between skills and professional experience

Atos

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