Carlos was part of the Jurassic Park maintenance crew.
“Muldoon heard the soft gurgle of the jungle river a few yards to the north. He turned back to the maintenance van and saw one of the workmen coming out with a big power saw.
“No, no,” he said. “Just the ropes, Carlos, we don’t need to cut it.” Quote found in The Jurassic Park Novel- Fourth Iteration: The Park (page 244 paperback edition)