Senior Performance Engineer

Hyderabad, India (Hybrid — 3 days office / 2 days remote)

About Nasuni

Nasuni is the unstructured data foundation for enterprise teams—and the AI that supports them. We manage, protect, and activate the world’s unstructured data so organizations can work smarter, spend wisely, and create safely without limits. As a Vista-backed SaaS data infrastructure company, Nasuni is transforming how enterprises manage file data with a next-generation, AI-ready platform—turning massive file stores into secure, actionable, and AI-ready data for intelligent automation, analytics, and global collaboration.

Why Work at Nasuni (Hyderabad / India)

With Vista Equity Partners’ backing, our Hyderabad team benefits from access to a global ecosystem of software leaders—cross-portfolio learning, leadership programs, and AI innovation communities—combining the pace of a fast-growing company with the scale and resources of a global technology investor. You’ll innovate at the intersection of cloud, AI, and enterprise data infrastructure, collaborate with talented teams, and build modern platforms trusted by enterprises worldwide. Join us in Hyderabad and help shape the future of intelligent, AI-ready data management.

Role Overview

As a Senior Performance Engineer, you will ensure Nasuni’s Cloud File Data Services platform meets rigorous performance, scalability, and reliability standards at enterprise scale.

This role is ideal for engineers who:

Thrive in distributed systems environments
Enjoy diagnosing complex bottlenecks
Prefer deep technical ownership over people management

This role is not intended for entry-level QA engineers or purely manual testers.

Level & Scope Definition

You will:

Own performance validation strategy for a defined product domain
Design and maintain automated performance test frameworks
Define performance benchmarks and release criteria in partnership with engineering
Lead root cause investigations for performance-related defects
Mentor junior engineers in debugging and test design
Influence architectural decisions through performance insights

You will not:

Directly manage people
Own company-wide performance strategy
Operate solely as a test executor

This role requires high autonomy within your domain and strong cross-functional collaboration.

Responsibilities

Architect and extend Python-based performance automation frameworks
Design and execute load, stress, endurance, and scalability tests
Build and scale performance testbeds across hypervisors and cloud environments
Analyze system logs, telemetry, and metrics to identify bottlenecks
Partner with development teams to define performance SLAs and testability requirements
Integrate performance testing into CI/CD pipelines
Conduct root cause analysis for performance regressions
Mentor engineers on distributed systems validation practices

Qualifications

Must-Have Qualifications

5–8 years of experience in performance testing or test automation
Strong Python programming skills
Hands-on experience validating distributed systems
Advanced Linux systems knowledge
Experience designing and executing load/stress testing
Experience working with CI/CD tools such as Jenkins or GitLab
Experience using Git workflows

Preferred Qualifications

Knowledge of NFS, CIFS, or file system protocols
Experience with benchmarking tools such as SPEC SFS, VDBench, or FIO
Experience configuring performance environments across hypervisors or cloud platforms
Networking fundamentals (VLANs, routing, protocol tuning)
Experience with Terraform or infrastructure-as-code tools

Ideal Qualifications

Experience validating storage or file infrastructure products
Experience debugging performance issues across multi-node distributed architectures
Experience scaling performance environments to simulate enterprise workloads

Experience Guidelines

5–8 years total experience in software engineering, performance testing, or infrastructure validation
3+ years hands-on experience in distributed systems performance testing
Demonstrated experience owning end-to-end performance initiatives within a product domain