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
Benefits
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Skills Required
- Minimum 4 years hands-on experience in network engineering or IoT telemetry
- MQTT
- IoT device integration
- Telemetry systems and sensor networks
- Environmental monitoring systems
- Strong hands-on experience with Python, C, C++ or embedded scripting
- Byte stream parsing and binary payload decoding
- Bitwise operations and endianness handling (Big-Endian / Little-Endian)
- Edge data buffering and store-and-forward strategies
- Cellular communications experience (3G/4G/5G/LTE)
- Able to work on-site
- Available for after-hours incident response
- Experience with Campbell Scientific platforms
- Experience with Vaisala systems
- Experience with LSI LASTEM systems
- Industrial IoT deployments and smart city sensor networks
- Experience with remote telemetry infrastructure or government/public sector projects
What We Do
Xtremax is a leading cloud solutions provider that has helped to transform and maximise the digital possibilities of some of the biggest names in the region. Built on the belief that every client deserves to enjoy the advantages that come with cloud technology, we have been delivering simple solutions for tough problems since 2003. With a superior technical knowledge of the entire cloud ecosystem, deep understanding of customer needs at different levels of cloud maturity, and a relentless pursuit of breaking new ground, Xtremax has grown to become the preferred partner for various Singapore government agencies, MNCs and private organisations. Today, we’re a large family network with a regional presence across Singapore, Indonesia, and Malaysia.
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