She had learned that functional safety is not about avoiding all risk—that’s impossible. It’s about reducing risk to a tolerable level, documenting every decision, and understanding that a safety system is only as good as the human who verifies it.
Elena’s boss, Marcus, leaned over her shoulder. “I’ve booked you for the CFSE exam in eight weeks,” he said. “You’ve been a control systems engineer for nine years. You know loops. But do you know the safety lifecycle ?” Certified Functional Safety Expert Exam Study Guide
She learned to tame each head.
The CFSE exam doesn’t just ask for definitions. It asks: Where in the lifecycle did the engineer fail? She had learned that functional safety is not