Shape the utilities market of the future with us
We are looking for a “Load and Performance Engineer” to design, execute, analyze, and report performance tests for the ZONOS ecosystem with it’s modules/Connectors related to MDM & HES, APIs, streaming services, databases, and integration components.
The engineer will define realistic load profiles, simulate production-like traffic, identify bottlenecks, measure system capacity, and provide performance recommendations before release or customer deployment.
What is the role about?
Key Responsibilities

Design and execute load, stress, scalability, spike, and failover performance tests for HES/MDM product
Create realistic test scenarios covering:
ZONOS API and Southbound API
VEE processing
MDUS / data ingestion flows
Device events, alarms, meter reads, topology, and profile data
Kafka/streaming pipelines
Database-heavy operations
ZCP user workflows where relevant
Define performance KPIs such as:
response time
throughput
transactions per second
message ingestion rate
processing latency
CPU/memory usage
database load
Kafka lag




error rate
queue depth
Maintain load test scripts using tools such as “JMeter, k6, Simulator and Mock serve”.
Monitor performance using tools such as “Prometheus, Grafana”.
Analyze bottlenecks across:
APIs
database queries
Kafka topics/partitions
backend services
VEE jobs
process engine
network and infrastructure
JVM/container resources
Prepare detailed performance reports with findings, risks, recommendations, comparison with previous versions and release readiness conclusions.
Work with QA, DevOps, backend developers, product owners, and customer delivery teams to define acceptance criteria and performance baselines.
We are always looking for support in the following areas:
Your Mission & Impact
Your Role at a Glance
Required skills and qualifications
Bachelor’s degree in Computer Science, Engineering, Information Systems, or equivalent experience.
3+ years of experience in performance testing, lo

📌 Load & Performance Engineer (Bengaluru)
🏢 Cuculus
📍 Bengaluru