Certified Veterinary Technician. Haverhill, MA. (Sign-on Bonus up to $2,500). More than a word, care is present in everything you do. At. Have A Heart Animal Hospital. a Thrive Pet Healthcare partner, we take action to empower your best care for pets, their families, and yourself. We are a community of 400 clinics forming an extraordinary network of unparalleled resources and people. Through outstanding learning and career options, comprehensive ...