Advance Your Career at PSI

Do You Want to Make a Difference?

Do your professional goals focus on doing something significant, contributing by doing the right thing? Do you want to be part of a dynamic, sincere, and vibrant company where people matter, each project is unique, and the goal is to ensure outstanding results for our clients? 

Discover PSI and give your best to what may become the most exciting professional challenge in your career.  

Why PSI?

  • 25+ years of successful clinical trial delivery 
  • Friendly & secure workplaces 
  • Open-door, open-minded policy 
  • Cross-cultural experiences 
  • Well-established infrastructures 
  • Rewarding environment & benefits 
  • Opportunities for growth 
  • Developed systems & quality standards 
  • Named one of Philadelphia’s Best Places to Work for 2018-2022

Our Culture

As a truly global company, we recognize that diversity is one of our greatest strengths. Our team members, with their unique skill sets, contribute to our culture of mutual support and accountability.    

No matter where our colleagues are located, team collaboration is high on our agenda. Whether that’s within study teams, communicating remotely, in departmental global meetings, and team building events. We always care, listen, and respect each other.  

Career Growth

Our 25-year history of organic growth is full of examples of individuals joining and growing their careers into roles such as department heads, country managers, or leaders of functional groups.   

We’re searching for people with an unquenchable drive, hunger for learning, hard work, resilience, and creative discontent. We will hire for the mindset and vigorously train for the skill, not the other way around. 


At PSI, we’re proud to offer generous benefits, including:  

  • Generous time-off 
  • Flexible working environments 
  • Professional development and training opportunities 
  • Competitive compensation & health benefits  
  • Immediately vested 401(k) with employer match

The PSI Advantage

For the sixth year in a row, PSI CRO has been named a CRO Leadership Award winner in the categories of Expertise, Quality, and Reliability in the Overall (combined Big and Small pharma) respondent group. The CRO Leadership Awards are presented by Life Sciences Leader and Clinical Leader based on research conducted by ISR Reports. The awards recognize CROs that are voted by sponsors to meet or exceed expectations.


We are a passionate CRO. In today’s environment, we dare to be different. A dynamic, global company, we bring together more than 2,700 driven & dedicated people.

We work on the front line of medical science, changing lives, and bringing new medicines to those who need them.

We are the company that cares – for our staff, our clients, our partners, and for the quality of work that we do. And since 1995, we’ve built our reputation on service and delivery.

When you join PSI CRO, you aren’t just joining the next CRO on the list.

You’re joining a team that’s passionate about the work they do in more than 60 offices all around the world. You’re working with colleagues making an impact, and you’re raising the bar each and every day. You’re curious, and your professional goals focus on doing something significant. Making a contribution by doing the right thing is important to you. You want to make a difference.

Ready to join the team? Learn more and apply today. We can’t wait to see what makes you #PSIProud