Modern computer desk, sleek metal frame, glass top, ergonomic keyboard tray, high-back office chair, male engineer, 30s, short brown hair, glasses, white shirt, jeans, sitting, focused expression, designing, computer systems design and architecture book, 2nd edition, open laptop, multiple screens, cables, circuit boards, diagrams, notes, coffee cup, quiet office background, soft lighting, afternoon sunbeam, shallow depth of field.