Field Device Technician

3 weeks ago

East Rand, South Africa Teraco Full time

**OBJECTIVES**

MAIN FUNCTIONS OF THE JOB
- Manage the entire OT device fleet, including power meters, fire detection equipment, HVAC equipment, and devices required for telemetry, as well as managing firmware updates, patching vulnerabilities, and ensuring communication protocols such as BACnet, Modbus, MQTT, and NTP are up to date.
- Plan and execute device lifecycle replacement as and when devices run out of OEM support, ensuring mínimal impact to operations.
- Work with the BMS team to ensure that devices are configured correctly and that any issues with device communication or management are addressed quickly.
- Monitor device performance and identify any issues or anomalies, working with the appropriate teams to resolve them.
- Ensure compliance with relevant regulations and standards, such as ISO27001, and industry-recognized training in OT device management.
- Manage the development of technical documentation related to OT device management and ensure the knowledge is shared with other members of the team.
- Ensure that devices are configured with appropriate encryption standards such as TLS/SSL.
- Ensure an accurate OT asset database Is collated, updated and maintained.
- Manage device updates, enhancements, and improvements ensuring these are scheduled In accordance with Teraco change management policies and procedures.
- Assist with operational requests to Investigate and resolve system related configuration Issues.
- Ensure that firmware updates are tested/approved before Implementation to prevent undesired effects on a live environment.
- Formulate "Roll Back Action Plan" in case of undesired effects after Firmware updates.

**SKILLS REQUIREMENT**
- Grade 12 education or equivalent.
- At least 3 years of experience in OT device management, including managing firmware updates, patching vulnerabilities, and managing communication protocols such as BACnet, Modbus, MQTT, and NTP.
- Strong understanding of security best practices for OT devices, including ISO27001.
- Experience with threat detection and management tools such as "Microsoft Defender for IoT", "Claroty", and "Dragos".
- Knowledge of industry-recognized training in OT device management.
- Ability to work collaboratively with cross-functional teams, including BMS engineers, IT security teams, and vendors.
- Excellent communication and problem-solving skills.
- Strong project management skills and the ability to manage multiple projects simultaneously.
- Knowledge of encryption standards such as TLS/SSL.
- Implement corrective actions promptly to mitigate the negative effects of system changes

**QUALIFICATIONS AND EXPERIENCE**
- Matric/Grade 12 is essential
- Excellent Excel Skills
- Minimum of 3 years relevant device management experience is essential
- Extensive knowledge of network topology and protocols preferable

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