Senior System QA Engineer Mission Critical & Performance

BAE Systems Strategic Aerospace Services WLL; Doha; On-site; QAR 240,000 - 420,000; Full time

Job summary

BAE Systems Strategic Aerospace Services WLL is seeking a Senior System Tester to lead quality assurance across complex systems in a high-availability environment. The role focuses on validating functionality, performance, and reliability to ensure high-quality system delivery.

The candidate will design test cases, perform diverse testing types, and coordinate with cross-functional teams. Night and after-hours testing may be required as part of project timelines.

Qualifications

• Bachelor’s degree in Computer Science, Engineering, or related field.
• Minimum 8 years of relevant experience in system or software testing.
• Strong understanding of SDLC/STLC and QA methodologies.
• Basic to intermediate knowledge of database testing (SQL) and API testing concepts.
• Experience testing complex or mission-critical systems.
• Experience with test management and defect tracking tools (JIRA, TestRail).
• Ability to work independently with minimal supervision and proactively drive tasks.
• Strong analytical, troubleshooting, and communication skills.
• Available to support night and after-hours testing as required.

Responsibilities

• Lead end-to-end testing activities, including test planning, analysis, design, implementation, execution, and closure.
• Design and execute test cases based on functional and technical requirements.
• Perform functional, integration, system, regression, and performance testing.
• Validate system integrations across multiple components and platforms.
• Analyze real-time data flows and ensure accuracy and consistency across the system.
• Identify, log, and track defects, working closely with development teams to ensure timely resolution.
• Review requirements and system design documents to ensure testability and coverage.
• Support simulation and scenario-based testing where applicable.
• Mentor junior testers and promote best practices in testing.
• Collaborate with cross-functional teams including developers, stakeholders, and operations.
• Other testing duties as assigned.

Skills

Test planning

Defect tracking

Analytical thinking

Communication skills

Independent work

Education

Bachelor’s degree in Computer Science, Engineering, or related field

Tools

JIRA

TestRail

SQL

Job description

BAE Systems Strategic Aerospace Services WLL is seeking a Senior System Tester to lead quality assurance across complex systems in a high-availability environment. The role focuses on validating functionality, performance, and reliability to ensure high-quality system delivery.

The candidate will design test cases, perform diverse testing types, and coordinate with cross-functional teams. Night and after-hours testing may be required as part of project timelines.