Requirements Engineers focus on defining what a system must do by working with stakeholders to capture, analyze, and validate requirements. Their work includes stakeholder interviews, requirements modeling, prioritization, traceability, and change management throughout the system lifecycle. They ensure requirements are clear, testable, and aligned with business objectives and technical feasibility. Requirements Engineers collaborate with architects, developers, testers, and project managers across software, systems, and infrastructure projects. They operate in industries ranging from enterprise IT to regulated engineering domains. Globally, demand remains strong as complex projects require disciplined requirements management to reduce risk, control scope, and ensure successful delivery.