Job Description

With more than 200 employees, the ilem Group is a leading IT services company (SSII) in French-speaking Switzerland.


ilem specializes in the management, implementation, and optimization of corporate information systems. It ensures high-quality services, provides technological expertise, and designs and develops innovative solutions implemented in Switzerland, France, and Morocco.


Founded on strong human values (Respect - Simplicity - Trust - Quality of Service - Open-mindedness), ilem's strategy is based on building long-term partnerships with its Clients and Employees.



We are looking for an

IoT Platform Specialist

to design, configure, and optimize a robust IoT ecosystem that connects devices, processes data, and delivers actionable insights. You'll be at the heart of our IoT operations from platform setup to device integration, data processing, and security -- ensuring seamless connectivity and performance at scale.

Responsibilities:

Platform Setup & Configuration

Select and configure IoT tools (e.g., MQTT broker, packet forwarder, or custom platforms) based on business needs. Set up device registration, provisioning, and authentication. Configure communication protocols (MQTT, CoAP, HTTP) for device-to-platform connectivity.

Device Integration & Management

Onboard IoT devices, ensuring compatibility and proper configuration. Manage provisioning, firmware updates, and lifecycle management. Troubleshoot and resolve connectivity issues.

Data Ingestion & Processing

Build data pipelines to ingest and process IoT data. Transform raw data for storage, analysis, and visualization. Ensure data quality, consistency, and integrity.

Security Implementation

Apply security measures to protect devices, data, and the platform. Configure encryption for data in transit and at rest. Manage authentication, access control, and secure protocols.

Analytics & Visualization

Integrate with visualization tools (especially Grafana) for real-time and historical analysis.

Automation & Optimization

Develop automation scripts/workflows for updates and data processing. Optimize platform performance to reduce latency and improve efficiency.

Testing & Quality Assurance

Test devices and platform components for reliability and scalability. Identify and resolve bugs, bottlenecks, and integration issues.

Documentation & Collaboration

Maintain detailed documentation of configurations, processes, and best practices. Work closely with product managers, owners, and business stakeholders to align IoT solutions with goals.

What We're Looking For

Required

University degree in a technical field. 3+ years' experience in IoT, Data Analytics, or Cloud Computing. Strong knowledge of IoT architecture and communication protocols (MQTT, CoAP, HTTP, AMQP, WebSockets). Hands-on experience with open-source IoT platforms, device provisioning, and lifecycle management. Proficiency in Python, Java or Node.js, plus scripting (Bash, PowerShell). Expertise with monitoring/logging tools (Prometheus, Grafana). Strong Linux administration skills.

Nice to Have

Experience with containerization (Docker, Kubernetes, OpenShift, Podman). Infrastructure automation (Ansible, PowerShell). Familiarity with Agile methodologies (SAFe, SCRUM) and tools like Microsoft TFS.

Location: Geneva


Activity rate: 80-100%


Estimated starting date: Asap