Network Engineer (IoT) - (Public Sector)

About the role

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 Responsibilities Telemetry & 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. Device & Platform Integration 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. Edge Computing & Network Resilience 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. Protocol & Data Engineering 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. Operations & Support 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. Mandatory Skills Experience At least 4 years of hands-on experience in network engineering or IoT telemetry work IoT & Telemetry MQTT IoT device integration Telemetry systems Sensor networks Environmental monitoring systems Programming & Scripting Strong hands-on experience with one or more of: Python C C++ Embedded scripting Low-Level Data Processing Experience with: Byte stream parsing Binary payload decoding Bitwise operations Big-Endian / Little-Endian data handling Edge & Connectivity Experience implementing: Edge data buffering Store-and-forward mechanisms Cellular communications (3G/4G/5G/LTE) Network resilience strategies Work Style & Availability Able to work on-site Available for after-hours incident response Preferred Experience 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 By submitting your resume/CV, you consent and agree to allow the information provided to be used and processed by or on behalf of Xtremax Pte Ltd for purposes related to your registration of interest in current or future employment with us and for the processing of your application for employment. You also represent to us that you have obtained the consent of your referees when you disclose to us their personal data for the purpose of conducting reference checks. The personal data held by us relating to your application will be kept strictly confidential and in accordance with the PDPA. You may also refer to our Privacy Policy for more details here: We regret to inform you that should you not consent to providing the necessary data required for us to process your application, your application will be considered void.

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