The Role
Designs and executes performance, load, stress, endurance, capacity, resilience, recovery, and chaos testing for distributed cloud and microservices systems. Develops test plans, workloads, scripts, environments, and test data using tools such as JMeter, Gatling, ChaosToolkit, and Kraken. Analyzes system metrics and bottlenecks, investigates defects, recommends improvements, mentors QA and development teams, and produces technical reports while collaborating across DevOps, operations, and stakeholder groups.
Summary Generated by Built In
Company Description
Arηs Group, Part of Accenture, specializes in the management of complex public sector IT projects, including systems integration, informatics and analytics, solution implementation and program management. Our team helps lead clients through digital and information systems design, bringing expertise in a variety of areas ranging from software development, data science and security management to machine learning, cloud, and mobile development.
Arηs Group was acquired by Accenture in July 2024.
- Create, maintain, and execute non-functional test plans, strategies, estimations, and test scenarios for complex software solutions
- Design, develop, and maintain performance and resilience test scripts using JMeter, Gatling, and related testing tools
- Plan, prepare, execute, and analyze performance, load, stress, endurance, capacity, resilience, and recovery testing activities
- Develop end-to-end non-functional testing strategies for distributed, integrated, and microservices-based cloud environments
- Prepare test environments, workloads, and test data required for performance and resilience testing campaigns
- Monitor system resources, application behaviour, and platform metrics during test execution to identify performance bottlenecks and stability issues
- Analyze test results, investigate non-functional defects, and provide recommendations to improve performance, reliability, scalability, and resilience
- Execute resilience and chaos engineering scenarios using ChaosToolkit, Kraken, or similar technologies
- Provide technical guidance and enable QA engineers and developers to execute non-functional testing activities
- Develop and maintain standards, best practices, documentation, and reporting related to performance and resilience testing
- Collaborate with development, DevOps, and operations teams to support continuous quality improvement initiatives
- Produce test reports, technical documentation, and findings presentations for stakeholders, management, and customers
- Minimum 6 years of relevant IT professional experience, including at least 6 years in non-functional, performance, resilience, or load testing roles
- Minimum education level: Level 6 (Bachelor's degree or equivalent) in an ICT-relevant field
- Strong hands-on experience with JMeter, Gatling, or similar performance testing tools
- Expertise in test planning, test strategy, estimation, workload design, test case design, test platform setup, test data preparation, and defect management
- Experience designing and executing performance, load, stress, endurance, capacity, resilience, and recovery testing activities
- Experience analyzing application performance, resource utilization, and system bottlenecks across complex distributed environments
- Hands-on experience with resilience and chaos testing tools such as ChaosToolkit, Kraken, or similar solutions
- Practical Java development or automation experience
- Experience working with microservices architectures, containerized platforms, and private cloud environments
- Knowledge of CI/CD pipelines, automated testing frameworks, monitoring solutions, and observability platforms
- Excellent documentation, reporting, communication, and stakeholder presentation skills
- Experience working in Agile software development and testing environments
- Experience working in international and multicultural teams
- Proactive, analytical, and quality-focused mindset with strong collaboration and problem-solving skills
- Experience testing large-scale distributed systems with multiple integrated components is considered a strong asset
- Hands-on experience with the following technologies is considered a strong asset:
- Docker, Kubernetes, OpenShift, Helm, or Podman
- Grafana, Prometheus, ELK Stack, Splunk, or similar observability platforms
- Kafka or other event-driven messaging platforms
- GitHub CI/CD or equivalent continuous integration and deployment tooling
- Selenium, Playwright, Postman, Kreya, Tricentis qTest, Jira Xray, or equivalent testing solutions
- PostgreSQL or similar database technologies
- Experience supporting performance and resilience testing in cloud-native, containerized environments is considered a strong asset
Skills Required
- Minimum 6 years of relevant IT professional experience, including at least 6 years in non-functional, performance, resilience, or load testing roles
- Level 6 Bachelor's degree or equivalent in an ICT-relevant field
- Hands-on experience with JMeter, Gatling, or similar performance testing tools
- Expertise in test planning, strategy, estimation, workload design, test case design, test platform setup, test data preparation, and defect management
- Experience executing performance, load, stress, endurance, capacity, resilience, and recovery testing
- Experience analyzing application performance, resource utilization, and system bottlenecks across complex distributed environments
- Hands-on experience with ChaosToolkit, Kraken, or similar resilience and chaos testing tools
- Practical Java development or automation experience
- Experience with microservices architectures, containerized platforms, and private cloud environments
- Knowledge of CI/CD pipelines, automated testing frameworks, monitoring solutions, and observability platforms
- Excellent documentation, reporting, communication, and stakeholder presentation skills
- Experience working in Agile software development and testing environments
- Experience working in international and multicultural teams
- Strong collaboration, analytical, problem-solving, proactive, and quality-focused abilities
- Experience testing large-scale distributed systems with multiple integrated components
- Experience with Docker, Kubernetes, OpenShift, Helm, or Podman
- Experience with Grafana, Prometheus, ELK Stack, Splunk, or similar observability platforms
- Experience with Kafka or other event-driven messaging platforms
- Experience with GitHub CI/CD or equivalent tooling
- Experience with Selenium, Playwright, Postman, Kreya, Tricentis qTest, Jira Xray, or equivalent testing solutions
- Experience with PostgreSQL or similar database technologies
- Experience supporting performance and resilience testing in cloud-native, containerized environments
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The Company
What We Do
Arηs Group is a market leader in the management of complex IT projects and systems. Founded in Luxembourg in 2003, we’ve grown organically to encompass 16 entities worldwide with over 2,500 employees in Luxembourg, Belgium, France, Greece, Italy, Portugal, Bulgaria and Jordan. With our focus on getting things done, we help our clients achieve their goals with best-of-breed solutions, superior execution and exceptional services. We offer bespoke software development, data science, infrastructure, digital trust and mobile development to government institutions at national and European level, telecom providers, and financial institutions, among others. Our bold company culture is built around working hard and playing hard, with a flat and agile structure that lends itself to efficiency and employee empowerment. We value our diverse workplace of close-knit teams and provide a place where everyone can be supported to learn and evolve.
