You can apply for any of the posts:

Animal rehabilitator
Zoo Curator
Documentary Maker
Researcher
Animal Behaviorists
Conservationist
Animal Caretakers
Wildlife Biologists
Animal Trainers
Forensic Experts
Zoo keeper
Animal breeders
Veterinarian
Lab Technicians
Animal and Wildlife Educators


Here are name of the areas where you can apply for job:
Zoos
Veterinary Hospitals
Animal Clinics
Wildlife Management Firms
Animal Care-taking Providers
Nature reserves
Museums
Botanical Gardens
Aquariums
Television Channels
Fisheries and Aquaculture
Pest Control Companies.
Colleges and Universities
Research
Conservation organizations