By 2026, the primary role of a data engineer will shift from moving information for humans to managing a complex Agent Matrix for autonomous systems. These machine consumers lack human intuition, requiring engineers to become architects of context who provide precise, machine-readable metadata and semantic frameworks. To avoid agent sprawl and technical debt, workflows must be decomposed into specialised, narrow agents rather than unreliable general-purpose models. Success in this new era depends on maintaining context fidelity, monitoring token costs, and ensuring traceability to meet strict governance standards. Ultimately, the profession is moving away from simple pipeline maintenance toward the sophisticated orchestration of machine intelligence.

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