Industrial Engineering and Operations Research M.S. and Certificate

A graduate degree and certificate program from the P.C. Rossin College of Engineering and Applied Science at Lehigh University

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Design Smarter, More Efficient Systems

Lehigh University’s Master of Science in Industrial Engineering and Operations Research (IEOR) degree prepares students to analyze, design, and improve the systems that power today’s organizations. From supply chains and healthcare operations to business processes and public systems, the program focuses on making complicated systems more efficient, effective, and responsive.

Students enrolled in the program build a strong foundation in quantitative methods while gaining experience applying them to real-world challenges. Through coursework and practical problem-solving, students learn how to evaluate tradeoffs, optimize performance, and implement solutions that create measurable impact.

Graduates leave the program equipped with a versatile toolkit and forward-thinking mindset, ready to contribute across a wide range of industries and shape a growing field.

Ready to take the next step? Request more information today.

 
 
 
 
 
 
 
 
 

Supporting Positive Student Outcomes

Committed to Your Success

With personalized graduate career resources

R1 Research Resources

With small school appeal

42% Growth

In engineering research since 2021

A Global Network of 88,000 Alumni

Actively engaged across all industry sectors

Supporting Positive Student Outcomes
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Industries

Graduates of the P.C. Rossin College of Engineering and Applied Science Industrial Engineering and Operations Research M.S. frequently join the following industries:

  • Consulting
  • Finance
  • Government Services
  • Healthcare
  • Information Technology
  • Life Sciences
  • Manufacturing
  • Transportation & Logistics

Employers

Top employers of program alumni include:

  • Abbvie
  • Accenture
  • Amazon
  • American Express
  • Apple
  • Axtria-Ingenious Insights
  • Ernst & Young
  • Johnson & Johnson
  • KMK Consulting
  • Merck
  • Tesla
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Why Lehigh?

At Lehigh, you’ll find the right balance of academic rigor, personal support, and practical experience that sets our IEOR M.S. and graduate certificate programs apart. With us, you’ll benefit from:

A Campus Designed for Focus and Opportunity

Nestled in Pennsylvania’s scenic Lehigh Valley, our beautiful, serene campus provides the ideal setting to step away from daily distractions and fully commit to your studies. Located just a short drive from New York City and Philadelphia, students benefit from both a peaceful environment and access to major business hubs. With the Lehigh Valley’s own rapid growth and strong university connections to leading companies, you truly get the best of both worlds.

Our Status as an R1 Research Institution

As one of just 187 R1 research universities in the nation, Lehigh offers graduate students the opportunity to engage in meaningful, high-impact research guided by expert faculty.

A Close-Knit Community

Small class sizes, accessible faculty, and a team focused on your career development mean you won’t just be another face in the crowd. You’ll form strong connections with professors, advisors, and peers who are invested in your success.

Learning With Real-World Impact

With research as a primary focus, this degree prepares graduates to make lasting contributions to the field and advance in their careers. Students have the opportunity to work with internationally recognized faculty experts, whose research is supported by a wide array of public and private sponsors, including the National Science Foundation, Commonwealth of Pennsylvania, U.S. Department of Energy, and U.S. Department of Defense.

Industrial Engineering and Operations Research M.S. Admissions Requirements

Wondering how to apply to the master’s degree program? Here’s what you need to know:

Application Deadlines

Applications are accepted on a rolling basis with the following deadlines:

  • December 15 for a spring start
  • July 15 for a fall start

What You Need to Apply

  • Completed online application
  • $50 non-refundable application fee
  • Official transcripts (unofficial transcripts are acceptable for application review)
  • Two letters of recommendation
  • Personal statement
  • Resume/CV
  • Demonstrated English proficiency (if required)

FAQs

When is the final deadline to apply to the master’s program?

Final application deadlines depend on when you plan to start the program. For a spring start, applications must be received by December 15. If you aim to begin in the fall, your application is due by July 15.

When do classes start?

Classes for the fall 2026 semester start on Monday, August 24. Spring 2027 classes begin on Monday, January 25.

How does a certificate differ from a general engineering degree?

Earning a certificate does not confer a master’s degree. The certificate program is designed to accommodate technical professionals in IEOR-related industries to further enhance their knowledge and advance their careers.

What prerequisites need to be met to apply?

To be eligible for the master’s degree program, applicants must hold at least a Bachelor of Science (or equivalent) degree in a related field.

How long does it take to complete both programs? The IEOR master’s program is typically completed in 1.5–2 years (or 3–4 academic semesters). The certificate program can take as little as 1–2 academic semesters.
Are scholarships available?

Master's students may be eligible for partial merit-based or alumni tuition scholarships.