Remote Lab Test Engineer Jobs in Saint Charles, IL

Qualitest is seeking a Performance Test Lead / Mid-Level Performance Test Engineer with strong expertise in performance testing, Apache JMeter, and Azure Load Testing. The candidate will be responsible for designing and executing performance test strategies for large-scale enterprise applications, ensuring scalability, reliability, and system stability under varying load conditions.

This is a full-time, fully remote position with occasional travel to the client site in Chicago, IL.

Key Responsibilities

• Design, develop, and execute performance test strategies and test plans
• Create, maintain, and execute Apache JMeter scripts
• Perform load, stress, spike, and endurance testing
• Execute performance tests using Azure Load Testing
• Simulate real-world load scenarios, including peak and high-traffic conditions
• Analyze performance metrics: response time, throughput, CPU, memory, and network utilization
• Identify and troubleshoot performance bottlenecks across application, database, middleware, and infrastructure layers
• Generate performance reports and dashboards
• Collaborate with development, DevOps, and infrastructure teams
• Integrate performance testing into CI/CD pipelines
• Support performance validation for enterprise releases
• Participate in capacity planning and performance benchmarking
• Maintain performance testing documentation and frameworks

Required Skills and Qualifications

• 4–7 years of experience in software testing, with at least 3 years in performance testing
• Strong hands‐on experience with Apache JMeter
• Script development and parameterization
• Correlation and debugging
• Distributed testing
• Experience with Azure Load Testing
• Experience using PowerShell for Azure interactions
• Experience with APM tools (Dynatrace, AppDynamics, Splunk)
• Knowledge of HTTP, REST APIs, and Web Services
• Understanding of database performance tuning and analysis
• Experience testing high‐volume enterprise applications
• Strong analytical and problem‐solving skills
• Excellent communication and stakeholder management skills

Preferred Qualifications

• Experience in Utilities / Energy domain (grid management, outage management systems, CIS)
• Experience with cloud‐based performance testing frameworks
• Knowledge of DevOps practices and CI/CD tools

Benefits Why QualiTest?

• Be a part of a company that strives to support diversity and inclusion in the workplace – celebrate culture, share knowledge with engineers from around the globe, and inspire each other through our differences. We have more than 40% women and around 120 different nationalities.
• Local and global opportunities – we offer internal rotation and international mobility opportunities to grow your career.
• Clear view of your career and progression with the company – Qualitest is growing massively (since 2021 – tripled our employees base – we now have more than 8,000 engineers) and giving you the opportunity to grow with us.
• Work hard and play harder with our flexible and casual culture. Take a break from work and join an employee event, enjoy the amenities and games provided from one of our employees centers. Save your earnings and prepare for your future by enrolling in our 401k plan where Qualitest will match your contributions accelerating your savings plan.
• Take care of health with enrollment in our competitive healthcare benefits. Qualitest will match towards your HSA if you choose to participate.
• Never stop experimenting and learning with QCraft – our Learning & Development platform: 50,000+ courses, 300+ virtual labs, mentorship and leadership programs, professional tribes, sponsored certifications, and much more.
• Stay active and get rewarded with our Corporate Wellness Program. We pay your gym membership and give you opportunities to earn additional vacation time for attending the gym!
• Earn bonuses via our Client Referral and Employee Referral Program. Refer and earn – tap your network for net‐worth.
• We recognize our employees work via our Qudos platform – you can earn bonuses and spot awards by celebrating your and your peers' achievements.
• Planning a vacation? Looking for car insurance? Get access to Qualitest Employee Perks for discounts on anything from travel to electronics. With so many offerings the savings are endless!
• A Competitive pay, the salary range for the role is $100,000 - $120,000.
• Intrigued to find more about us?
• Visit our website at https://www.qualitestgroup.com/
• If you like what you have read, send us your resume and let's start talking!