System Engineer - Algorithm and Simulation

SII Group Belgium; Luik; On-site; EUR 55,000 - 85,000; Full time

Job summary

SII Belgium seeks a System Engineer focusing on simulation and algorithms to design, develop and integrate advanced systems for civilian and military environments. You will work with clients to define solutions and ensure successful implementation, contributing to architecture, validation, and field trials.

The role requires a Master’s in Engineering and 3–5 years of experience, with proficiency in Matlab/Simulink, C/C++, Python, and Git, plus knowledge of embedded real-time systems.

Qualifications

• Master’s degree in Engineering or related field.
• 3–5 years of professional experience.
• Strong foundation in mathematics, statistics, and data analysis.
• Proficient in Matlab/Simulink, C/C++, Python, and Git.
• Familiar with real-time algorithm implementation on embedded systems.
• Strong problem-solving and communication skills.

Responsibilities

• Understand and analyze client needs to propose tailored technical solutions.
• Contribute to the system architecture definition and ensure it meets customer requirements.
• Evaluate algorithm performance through analytical techniques and simulations.
• Conduct validation and verification activities for both new and updated algorithm designs.
• Support the integration of algorithms into hardware platforms via code generation and HIL testing.
• Optimize auto-generated C code and collaborate with embedded systems teams for seamless integration into devices.
• Contribute to field trials and analyze flight test data for performance assessment and system refinement.
• Model physical behaviors of novel concepts and perform simulations to guide development and inform key technical decisions.

Skills

Matlab/Simulink

C/C++

Python

Git

Embedded RT

Data analysis

English (B2+)

Education

Master’s degree in Engineering

Job description

We are looking for a System Engineer with a focus on simulation and algorithm to join a dynamic engineering team. In this role, you will contribute to the design, development, and integration of advanced systems used in both civilian and military environments. You’ll work closely with clients and stakeholders to define solutions and see them through to successful implementation.

SII is a European digital and engineering services company of 16,000 experts. SII in Belgium support large businesses in adopting new technologies and innovation management. We value empowerment and entrepreneurship, providing a fulfilling work environment for employees. Our mission is to contribute to the design and development of future products and services for customers. SII is committed to a sustainable digital world and is recognized as a Great Place To Work.

Key Responsibilities:

• Understand and analyze client needs to propose tailored technical solutions;
• Contribute to the system architecture definition and ensure it meets customer requirements;
• Evaluate algorithm performance through analytical techniques and simulations.
• Conduct validation and verification (V&V) activities for both new and updated algorithm designs.
• Support the integration of algorithms into hardware platforms via code generation and hardware-in-the-loop (HIL) testing.
• Optimize auto-generated C code and collaborate with embedded systems teams for seamless integration into devices.
• Contribute to field trials and analyze flight test data for performance assessment and system refinement.
• Model physical behaviors of novel concepts and perform simulations to guide development and inform key technical decisions.

Qualification:

• Master’s degree in Engineering (Electronics, Computer Science, Mathematics, Physics, Data or related field)
• At least 3/5 years of professional experience
• Strong foundation in mathematics, statistics, and data analysis, comfortable with complex systems and large datasets.
• Analytical and detail-oriented, with a methodical approach to problem-solving.
• Proficient in Matlab/Simulink, C/C++, Python, and version control with Git.
• Familiar with real-time algorithm implementation on embedded systems.
• Strong problem-solving skills and a passion for staying updated on new technologies;
• Ability to work independently and proactively while being an effective team player;
• Clear communicator, able to explain complex concepts in an accessible way.
• Fluency in English (B2 or higher); knowledge of French is a plus;

Company Culture:

SII Belgium offers a warm, open and empowering company culture, supported by an international group. We value self-motivation, experience, and a passion for technology. Our team is dedicated to maintaining and modernizing platforms and applications to ensure the best performance of digital tools used by customer advisors. We are invested in our consultant career and will support you through formation and career advancement. With our human-size in Belgium, we promote proximity and transparency with our teams.

This role offers a chance to work on innovative projects in a highly technical and collaborative environment. If you are passionate about technology and eager to develop systems that make an impact.