What to expect in the QUEST DIAGNOSTICS INC interview process

Based on publicly available sources, Quest Diagnostics frames its workplace around "The Quest Way," focusing on high-quality diagnostic testing and structured corporate values known as the 5Cs, alongside a stated commitment to a culture of belonging. The company features 11 Employee Business Networks—such as QuestCAN, Veterans, YoPro, HealthyQuest, African-American Business Leaders, Caregivers, DiverseAbilities, Women in Leadership, Hispanic/Latino, Pan-Asian Leaders, and Pride—which are open to all employees to support professional development, mentorship, and community engagement.

However, employee and candidate feedback points to notable friction beneath the surface of these corporate-branding claims. Public commentary highlights potential warning signs during the hiring and interview process, with reports suggesting that red flags encountered as a candidate may mirror how employees are treated internally. Additionally, employee commentary notes that lab procedures can feel questionable to those coming from an academic or true clinical background. Feedback also indicates that management favoritism can heavily influence the workplace experience, affecting how employees are perceived and treated. Furthermore, the company explicitly warns applicants to remain alert regarding job scams involving fraudulent offers circulated on platforms like LinkedIn.