Senior Cybersecurity Performance Test Engineer

Join a Leading Global IT Company — Shape the Future of Cybersecurity Performance Testing!

Hybrid work arrangement in Warsaw—flexible to align with your professional and personal priorities.

As a Senior Cybersecurity Performance Test Engineer, you will be working for a renowned international firm dedicated to advancing cybersecurity resilience through cutting-edge performance testing. You will contribute to pivotal projects ensuring optimal security and efficiency of critical infrastructure, driving innovation and excellence in cybersecurity standards.

Your main responsibilities:

• Design and execute comprehensive performance test plans tailored for security-sensitive systems.
• Develop automated testing scripts using Java and Python to simulate real-world load scenarios.
• Collaborate with development and security teams to identify bottlenecks and optimize system performance under high load.
• Analyze performance data, document results, and propose actionable improvements to enhance security and scalability.
• Ensure testing environments accurately mirror production conditions for reliable assessments.
• Monitor, troubleshoot, and resolve performance bottlenecks, prioritizing security implications.
• Align testing practices with industry standards like OWASP, CIS Benchmarks, and other compliance frameworks.
• Maintain detailed documentation of testing procedures, findings, and improvement plans for technical stakeholders.

You're ideal for this role if you have:

• 5+ years of experience in performance testing and cybersecurity assessments.
• Strong proficiency in Java and Python scripting for automation and test parameterization.
• Hands-on experience with performance tools such as LoadRunner, NeoLoad, JMeter, or similar.
• Knowledge of deploying and testing in cloud environments (preferably GCP or AWS).
• Deep understanding of cybersecurity principles, vulnerability management, and security testing tools.
• Familiarity with performance standards like SLAs/SLOs, bottleneck analysis, and system optimization techniques.
• Excellent communication skills in English—both written and verbal.
• Eligibility to work in Europe.

It is a strong plus if you have:

• Certifications in cybersecurity or performance testing (e.g., CISSP, CREST, ISTQB).
• Experience working in diverse international teams.

Language required for the role:
Good command of English is necessary to effectively collaborate and document findings.

Eligibility to work in this role:
Only candidates with an existing legal right to work in the European Union will be considered.

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Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.