Know ATS Score
CV/Résumé Score
  • Expertini Resume Scoring: Our Semantic Matching Algorithm evaluates your CV/Résumé before you apply for this job role: Technical Testing Specialist.
South Africa Jobs Expertini

Urgent! Technical Testing Specialist Job Opening In Centurion – Now Hiring Positron SE

Technical Testing Specialist



Job description

Job Purpose:

Reporting to the testing work stream lead and indirectly to the deputy project executive the Technical Tester for Non-Functional Testing ensures the SA-SAMS Modernized platform is reliable, performant, stable, and scalable under real-world operating conditions across 24,500 schools and government integration points by performing Performance, Load, Stress, Scalability, Endurance (Soak), Availability, Reliability, Disaster Recovery, Compliance and Usability Testing (Non-functional UX)

Key Responsibilities:


• Define Non-Functional Test Plans aligned to system architecture and stakeholder performance requirements.


• Design and run performance, load, and stress tests using tools like JMeter or Gatling to simulate real-world usage.


• Monitor system performance metrics (e.g., response time, CPU, memory) and validate compliance with SLAs.


• Test system scalability by validating how the platform performs under increased load and during horizontal/vertical scaling.


• Perform failover and disaster recovery tests to ensure system resilience and minimal downtime during outages.


• Collaborate with DevOps and developers to troubleshoot performance bottlenecks and implement optimizations.


• Contribute to security-related non-functional testing, such as access control validation under load conditions.


• Document findings and provide reports with detailed analysis, risk assessment, and improvement recommendations.


• Manage resolution of all bugs/defect/gaps identified during all performance testing.

Minimum Education and Experience:

An NQF Level 6 or 7 qualification in:


• Information Technology


• Computer Science


• Software Engineering


• Information Systems

Professional Certifications (Highly Valued )


• Testing-Specific

o ISTQB Certified Tester – Foundation Level (CTFL) – Minimum baseline certification for most test roles.

o ISTQB Advanced Level – Test Analyst / Technical Test Analyst / Test Automation Engineer – Highly desirable for non-functional testing.

  • ISQTB Advanced Level – Test Manager (if the role includes oversight responsibilities).

Specialised Non-Functional Testing Certifications

  • Certified Performance Tester (e.g. Neotys, Micro Focus LoadRunner, BlazeMeter)
  • ISTQB Specialist Certificate in Performance Testing
  • Certified JMeter Tester (for open-source testing frameworks)

Relevant Experience

  • Non-Functional Testing Focus Areas (3–5 years preferred)

Proven experience in:

  • Performance testing (e.g., response times, throughput, and bottlenecks)
  • Load and stress testing for scalability and stability
  • Reliability and failover testing
  • Usability and accessibility testing (especially for government/public-sector solutions)
  • Capacity and concurrency testing

Tools and Frameworks

Hands-on experience with:

  • JMeter, LoadRunner, Gatling, NeoLoad, BlazeMeter
  • Monitoring tools: AppDynamics, New Relic, Grafana, Prometheus
  • CI/CD tools integrated with testing frameworks: Jenkins, Azure DevOps, GitLab CI

Software Development Life Cycle (SDLC)

Experience working in:

  • Agile, Scrum, or DevOps environments
  • Integration of non-functional testing in DevSecOps pipelines
  • Automated test execution and result analysis

System Architecture & Infrastructure Understanding

o Solid grasp of system architecture (cloud/on-prem), APIs, and databases to interpret test results accurately.


Required Skill Profession

Other General



Your Complete Job Search Toolkit

✨ Smart • Intelligent • Private • Secure

Start Using Our Tools

Join thousands of professionals who've advanced their careers with our platform

Rate or Report This Job
If you feel this job is inaccurate or spam kindly report to us using below form.
Please Note: This is NOT a job application form.


    Unlock Your Technical Testing Potential: Insight & Career Growth Guide