Kerja Sepenuh Masa, Network Engineer (IoT) - (Public Sector) di Xtremax Pte. Ltd. Singapore - Maukerja

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

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