Pros
One of the biggest positives of working at the Thermo Fisher biologics site in St. Louis was the exposure to large-scale biologics manufacturing and GMP operations. The site handles complex work, so employees can gain valuable industry experience quickly, especially in quality, manufacturing, supplier quality, and operational support roles. Having Thermo Fisher on a resume also carries weight in the biotech and pharmaceutical industry and can help open doors later in your career. There were also many hardworking and knowledgeable employees throughout the organization who genuinely cared about doing quality work and supporting one another. Despite the operational challenges, many teams tried their best to keep processes moving and maintain compliance in a very demanding environment. Because the site was often changing rapidly, employees were exposed to a broad range of issues and projects, which could accelerate learning and professional growth for people who thrive in high-pressure settings.
Cons
The biggest issue at the site was leadership and the overall culture that came from the top down. Senior leadership frequently came across as unprofessional, including openly cursing in meetings and speaking down to employees in ways that damaged morale and created a very negative work environment. Instead of fostering collaboration and development, the culture often felt reactive, fear-based, and driven by constant pressure. The organization itself felt extremely disorganized. When I joined, there was little to no structured onboarding or training, and many processes were either unclear, constantly changing, or poorly documented. Employees were often expected to simply “figure things out” on their own, even in areas tied to quality and compliance where proper training and consistency are critical. For a company of Thermo Fisher’s size and reputation, the lack of structure was honestly surprising. The newer site quality leadership only added to the instability. Decisions frequently seemed rushed, poorly thought through, and lacking long-term planning. Priorities shifted constantly, communication was inconsistent, and expectations were often unclear. This created confusion across departments and made it difficult for teams to operate efficiently or feel set up for success. Another major concern was the lack of internal growth opportunities. While the company speaks heavily about employee development, promotions from within did not seem common, and many experienced employees felt overlooked. At the same time, there appeared to be frequent layoffs and restructuring efforts, which created ongoing uncertainty and negatively impacted morale. Many employees felt undervalued and replaceable rather than invested in the long term.