System Test Engineer – IoT Network Platform (RF Mesh)

Comminent Private Limited; India; On-site; INR 1,200,000 - 2,000,000; Full time

Job summary

Comminent Private Limited seeks a System Test Engineer to validate the performance, reliability, and scalability of its large-scale IoT network platform built on RF Mesh technology. You will execute system-level tests, analyze results, and collaborate with hardware, firmware, and cloud teams to ensure efficient deployment under real-world conditions.

The role requires 4–6 years of system testing experience, knowledge of RF Mesh networks and IoT architectures, and hands-on test equipment

Qualifications

• Bachelor's degree in Electronics, Communication, Computer Science, or related engineering field.
• 4–6 years of experience in system testing, QA, or validation of IoT / embedded platforms.
• Understanding of RF Mesh networks, wireless protocols (Wi-SUN, LoRa, BLE, 6LoWPAN), and IoT architectures.

Responsibilities

• Execute system-level tests for IoT networks using RF Mesh protocols.
• Validate device provisioning, firmware updates, and cloud integration.
• Conduct performance testing: latency, throughput, and reliability.
• Develop and run automated test scripts to improve coverage.
• Collaborate with hardware, firmware, and cloud teams to reproduce issues.

Skills

Python

Shell scripting

RF Mesh networks

Wi-SUN

LoRa

BLE

6LoWPAN

Test automation

CI/CD workflows

Debugging

Education

Bachelor's degree in Electronics/Communication/CS

Tools

Oscilloscopes

Logic Analyzers

Network Analyzers

Spectrum Analyzers

Job description

About Us

At Comminent, we engineer platforms that connect millions of devices in smart city and utility environments. Our teams work at the intersection of hardware, data, and intelligence to build resilient and high-performance systems.

Role Overview

We are looking for a System Test Engineer to validate and ensure the performance, reliability, and scalability of our large-scale IoT network platform built on RF Mesh technology. The engineer will execute system-level tests, analyze results, and collaborate with hardware, firmware, and cloud teams to ensure the platform operates efficiently under real-world deployment conditions.

Key Responsibilities

• Execute system-level and end-to-end tests for IoT networks using RF Mesh protocols.
• Validate network functionality, device provisioning, firmware updates, and cloud integration.
• Conduct performance testing: packet delivery ratio, latency, throughput, and network reliability.
• Perform stress, scalability, and long-duration testing of large-scale networks.
• Develop and execute automated test scripts to improve test coverage and efficiency.
• Utilize network monitoring tools, data loggers, and analysis scripts for test validation.
• Support CI/CD pipelines by integrating system tests with automated workflows.
• Identify, document, and track defects, anomalies, and system issues.
• Collaborate with engineering teams to reproduce issues, provide logs, and assist in troubleshooting.
• Suggest improvements to enhance network stability, performance, and test coverage.
• Maintain detailed test plans, test cases, and test reports.
• Document test setups, configurations, and procedures for future reference.
• Provide insights from testing to influence product design and deployment strategies.
• Assist in field trials and pilot deployments of RF Mesh networks.
• Analyze real-world network performance data and provide feedback to product teams.
• Support device and network troubleshooting during large-scale rollouts.

Required Skills

• Bachelor’s degree in Electronics, Communication, Computer Science, or related engineering field.
• 4–6 years of experience in system testing, QA, or validation of IoT / embedded platforms.
• Understanding of RF Mesh networks, wireless protocols (Wi-SUN, LoRa, BLE, 6LoWPAN), and IoT architectures.
• Hands-on experience with test equipment: oscilloscopes, logic analyzers, network analyzers, spectrum analyzers.
• Proficiency in test automation and scripting (Python, Shell, or similar).
• Familiarity with CI/CD workflows, network monitoring, and debugging tools.
• Strong analytical, problem-solving, and documentation skills.
• Good communication skills for collaboration with cross-functional teams.

Good to Have

• Experience with Smart Metering or Smart City IoT deployments.
• Knowledge of cloud integration, APIs, and device management platforms.
• Familiarity with data analysis, network simulation, and field test setups.
• ISTQB or equivalent testing certification is a plus.

What Success Looks Like (First 3-6 Months)

• Successfully meeting key performance indicators and project deliverables
• Contributing to team success and organizational goals
• Demonstrating continuous improvement and skill development
• Building strong collaborative relationships across the organization

Why Join Us

• Work on large-scale, real-world IoT network deployments connecting thousands to millions of devices.
• Collaborate with RF, firmware, hardware, and cloud engineering teams.
• Gain experience in network performance optimization, scalability testing, and IoT operations.
• Opportunity for career growth into System Test Lead or IoT Platform QA roles.