The HES Support Engineer will be responsible for supporting, maintaining, and troubleshooting the Head-End System (HES) in an Advanced Metering Infrastructure (AMI) setting. This role has a strong focus on application-level support using .NET Core and PostgreSQL, along with operational support of smart metering systems. The engineer will ensure reliable system performance, quick issue resolution, and smooth data flow between smart meters and downstream systems like MDM, billing, and analytics platforms.

Key Responsibilities:
Support and maintain HES applications built on .NET Core.
Troubleshoot application, data, and integration issues across HES, MDM, billing, and analytics systems.
Write and optimize queries in PostgreSQL for data validation, investigation, and reporting.
Monitor system health, logs, and data flow to ensure SLA adherence.
Handle production incidents, perform root cause analysis (RCA), and implement preventive fixes.
Support integrations using REST/SOAP APIs and messaging systems (e.g., MQTT).
Work closely with field, network,



and business teams for issue resolution.
Perform configuration, patching, and upgrades of HES-related components.
Prepare technical documentation, SOPs, and support reports.

Requirements
Core Technical Skills:
Strong experience in .NET Core / C# application support and troubleshooting.
Good hands-on experience with PostgreSQL (writing queries, joins, performance analysis).
Understanding of API-based integrations (REST/SOAP).
Basic knowledge of Linux/Unix settings and log analysis.
Understanding of production support processes (incident, problem, change management).

Smart Metering & AMI Knowledge:
Experience with AMI/AMR systems, HES/MDM platforms.
Knowledge of communication technologies: RF Mesh, PLC, Cellular (2G/3G/4G/5G), NB-IoT, LoRaWAN.
Familiarity with protocols: DLMS/COSEM, IEC 62056, MQTT.
Understanding of network basics: IP, VPN, firewalls, DNS.

Scripting (Optional)
Bas

📌 Senior Software Engineer Bengaluru
🏢 Esyasoft Technologies
📍 Bengaluru