We are seeking a Network Engineer (IoT) - (Public Sector) to serve as the primary technical authority for the design, implementation, integration, and operational management of environmental telemetry and sensor monitoring systems.
The successful candidate will lead end-to-end telemetry deployments, including sensor inventory tracking, device state monitoring, automated calibration management, edge data buffering, and resilient communications across cellular networks.
Key ResponsibilitiesTelemetry & Sensor Systems- Lead end-to-end implementation of telemetry and sensor monitoring solutions.
- Design operational management architecture for sensor inventory tracking.
- Implement automated calibration offset management.
- Develop device health and state monitoring capabilities.
- Integrate environmental monitoring and telemetry platforms.
- Develop bidirectional communication between field devices and backend systems.
- Integrate telemetry platforms such as:
- Campbell Scientific
- Vaisala
- LSI LASTEM
- Similar environmental monitoring platforms
- Troubleshoot device communication and telemetry issues.
- Design and implement edge-side buffering mechanisms.
- Develop store-and-forward strategies for intermittent cellular connectivity.
- Ensure data integrity during communication outages.
- Support field deployments and remote telemetry operations.
- Develop and maintain MQTT-based integrations.
- Implement open-standard IoT communication protocols.
- Perform low-level device data parsing and transformation.
- Handle binary payload decoding and protocol interpretation.
- Monitor telemetry infrastructure health and availability.
- Support incident investigation and root-cause analysis.
- Produce technical documentation and implementation artefacts.
- Work closely with stakeholders, vendors, and project teams throughout the deployment lifecycle.
RequirementsMandatory SkillsExperience
- At least 4 years of hands-on experience in network engineering or IoT telemetry work
- MQTT
- IoT device integration
- Telemetry systems
- Sensor networks
- Environmental monitoring systems
Strong hands-on experience with one or more of:
- Python
- C
- C++
- Embedded scripting
Experience with:
- Byte stream parsing
- Binary payload decoding
- Bitwise operations
- Big-Endian / Little-Endian data handling
Experience implementing:
- Edge data buffering
- Store-and-forward mechanisms
- Cellular communications (3G/4G/5G/LTE)
- Network resilience strategies
- Able to work on-site
- Available for after-hours incident response
Candidates with experience in any of the following will be highly preferred:
- Campbell Scientific platforms
- Vaisala systems
- LSI LASTEM systems
- Industrial IoT deployments
- Environmental monitoring projects
- Smart city sensor networks
- Remote telemetry infrastructure
- Government or public sector projects
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Xtremax Singapore, Singapore, SGP Office
Singapore, Singapore
