The QA / Test Engineer owns end-to-end testing quality assurance for the RA SaaS system —from unit test governance in sprints through to SIT, UAT, VAPT coordination, performance and load testing, and post-deployment regression testing. The role requires both manual and automated testing skills, with experience in government SaaS acceptance testing processes.

Key Responsibilities:

• Develop and maintain the Master Test Plan for Release 1 and Release 2; submit to the company at least 2 weeks before UAT commencement.
• Defineand execute System Integration Test (SIT) cases covering: all RA workflows(Chemical, Sludge, Grit/Screening), all system integrations (BookingSG, AMS, PSEP, Weighbridge Kiosk), role-based access validation, and edge cases (offline kiosk, AMS unavailability, duplicate QR scan).
• Plan, coordinate, and facilitate User Acceptance Testing (UAT) with the company plant operators and JOD representatives; manage UAT defect log and retest cycles.
• Coordinate VAPT engagement with CSA-certified third-party security tester; review findings report; support Technical Lead in preparing the remediation plan and tracking closure.
• Executeperformance and load testing using k6 or equivalent; simulate peak concurrentusage across all active plants; validate 99.5% uptime SLA under load.
• Maintain test automation suite for regression testing (Playwright or Cypress for web; API tests via Postman/Newman or equivalent).
• Managed defect lifecycle in Azure DevOps: triage, severity classification, assignment, retest, and closure; produced weekly defect status reports.
• Ensureacceptance test procedures comply with TS Section 6 (System Testing and Acceptance) requirements, including Installation Tests, System Performance Tests, and Security Testing.
• Produce and submit: UAT Test Plan, UAT Test Report, SIT Integration Test Reports, Performance & Load Test Results, Security Vulnerability Assessment support documentation.
• Supportcommissioning sign-off process: prepare User Acceptance Report for the company; attend and document any Board-requested live demonstrations.

Requirements:

TestingExperience

• Minimum 5years in QA/test engineering for web-based SaaS or enterprise applications.
• Hands-onexperience with SIT and UAT for Singapore government or statutory board IT systems — min. 1 completed project.
• Experience writing formal test plans, test cases, and test reports for government acceptance testing.
• Functional testing of REST APIs (Postman, SoapUI, or equivalent); ability to read API documentation and write integration test scenarios.
• Automated testing: Playwright, Cypress, Selenium, or equivalent for web UI automation.
• Performanceand load testing: k6, JMeter, Gatling, or equivalent.

SecurityTesting

•  Working knowledge of the VAPT coordination process: how to read CVSS scores, triage findings, and track remediation.
• Familiarity with OWASP Top 10 and basic application security testing concepts.
• Experiencesupporting or reviewing SAST (SonarQube) and DAST (OWASP ZAP) outputs integrated into CI/CD pipelines.

Tools

•  AzureDevOps (work items, test plans, pipelines) — hands-on required.
• Proficiency in Microsoft Excel/test management tools for test case documentation (if not using Azure DevOps Test Plans).

Certifications(preferred)

• ISTQBCertified Tester — Foundation Level (or higher)
• ISTQBCertified Tester — Agile Tester Extension

Good-to-Have

• Experience testing Power Platform (Power Apps, Power Automate)applications.
• Familiarity with testing IoT/hardware integrations (kiosks, weighbridges, MQTT-based systems).
• Prior experience as QA lead on a multi-site government deployment project in Singapore.
• Knowledge of Singapore government SaaS acceptance test processes (GovTech standards).