C++ Software engineer

Job Title: Industrial Software Engineer (C++ Focus)

Location: Mons Area, Belgium

Sector: Security / Industrial Systems

Employment Type: Full-time

Company Overview:

A leading player in the security and industrial systems sector is seeking a versatile and motivated Industrial Software Engineer to support the development of robust software systems that interface with hardware components such as RF amplifiers, filters, and I/O modules.

You'll be joining a collaborative, cross-functional team and contributing to mission-critical products deployed in demanding environments.

Your Role:

• Design, implement, test, and document C++ software for industrial and embedded systems
• Develop software solutions that interface industrial hardware with higher-level systems
• Support the full development lifecycle from prototype to industrialisation, including:
• Requirements analysis
• Deployment and integration in factory settings
• Documentation and compliance
• Validation and R&D testing
• Troubleshoot issues in collaboration with electronics, RF, and front-end software teams
• Maintain and occasionally update small configuration tools developed in C# (.NET)
• Provide technical support to production teams to ensure seamless operations

Must-Have Technical Skills

• Solid experience in C++ development (2-7 years)
• Comfortable working in Linux environments, including deployment and debugging
• Experience with source control systems, particularly Git
• Ability to read, debug, and refactor existing code efficiently
• Interest in working on industrial systems and low-level interfaces

Nice-to-Have Technical Skills

• Familiarity with C# / .NET (basic understanding or willingness to learn)
• Knowledge of BuildRoot or embedded build systems
• Experience with industrial communication protocols (e.g. Modbus, SNMP)
• Understanding of HTTP REST APIs
• Awareness of cybersecurity best practices (OWASP, IEC 62443)
• Background in electronics or microcontroller-based systems (e.g. ADuC)
• Exposure to front-end tech (JavaScript/TypeScript/Angular) is a bonus

Soft Skills

• Curious and adaptable: open to learning new tools or languages as needed
• Pragmatic mindset with a hands-on approach to problem-solving
• Comfortable working autonomously while maintaining strong team communication
• Organised and able to clearly document progress and technical decisions
• Flexibility to switch between development and support tasks
• A collaborative attitude-and a good sense of humour goes a long way!

Languages

• English: Fluent (written & spoken) - mandatory
• French: Strongly appreciated
• Other languages are a plus

What's Offered

• Work in a high-tech, security-focused environment
• Real impact on products used in critical infrastructure
• Hybrid working possibilities and a flexible company culture
• Competitive salary and benefits package

Interested in shaping industrial software for the security sector?

We'd love to hear from you.