Performance Test Engineer

Do You want to join a company that places people at the heart of its concerns? We are waiting for you at

Extia !

Since 2007, Extia, an IT consulting firm, has been offering a unique approach in its field, combining well‑being at work and performance. A successful model: more than 3000 Extians working in 20 agencies in France and abroad, 3rd Great Place To Work in France. At Extia, we follow a very simple yet effective philosophy: "First who, then what"!

You are a detail-oriented problem solver who views "reliability" as a mission, not just a metric. You possess deep analytical skills, thrive in complex technical environments and are fluent in English. You are available to work hybrid in Milan.

Then What We are looking for a Performance Test Engineer to join one of our project teams in Milan. In this role, you will be the guardian of system resilience, focusing on performance, capacity, and high availability. You won't just find bugs; you will design the strategies that ensure our critical applications remain robust under pressure, translating complex Non‑Functional Requirements into actionable technical objectives.

Key Responsibilities

Define, implement, and monitor comprehensive technical test plans focused on performance, capacity, and high availability.

Design and execute automated technical tests using a modern stack including Python, Jenkins, Ansible, and Grafana.

Build and maintain a suite of technical non‑regression tests to ensure long‑term stability and system integrity.

Provide detailed reporting using KPIs to communicate test coverage, execution results, and system health to stakeholders.

Partner with architects, developers, and system experts to identify bottlenecks and resolve complex technical issues.

Operate within Linux‑based environments and leverage AWS cloud platforms for sophisticated testing and deployment.

Key Requirements

Proven experience in technical testing methodologies (Performance, Load, Stress, and High‑Availability).

Proficiency in automation frameworks and DevOps tools (Jenkins, Ansible, Python).

Strong hands‑on experience with Linux and AWS; experience with real‑time systems is a significant plus.

Solid understanding of system architectures, networks, and databases, with the ability to tune hardware/software parameters for peak performance.

Familiarity with performance metrics such as response times, CPU consumption, and network latency.

Experience managing test scenarios in Xray and a background in Python (knowledge of C/C++ is a plus).

Why join Extia? At Extia, we firmly believe in our motto: "First Who, Then What." The person comes first, the project comes second.

We match your workflow : Whether you are looking for long‑term stability or independent consulting, we’ve got you covered. We offer Permanent Contracts (CCNL Commercio) with a RAL between €45.000 – €55.000, as well as Freelance / Partita IVA arrangements with a daily rate aligned with your experience.

Real Flexibility : A model adapted to your project and your work‑life balance.

Personalized Training Plan : We design your professional evolution roadmap together with you.

Triple Follow‑up : A Business Manager, an Administrative Manager, and an HR contact always by your side.

Competitive Benefits Package : Health Insurance, Meal Vouchers, and Transit/Transport support.

International Environment : More than 3,000 employees across Europe and Canada.

Great Place to Work : A culture based on proximity, transparency, and genuine support.

Events, Afterworks, and Active Community : Team buildings, solidarity actions, meetups, internal celebrations – we love sharing moments beyond work!

Interested or know someone who would be a great fit? Let’s get in touch!

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