Aspen Technology has an opening in the Refinery Planning & Scheduling Model Optimization area.


We are looking for experienced and talented individuals interested in the development of planning, scheduling, and supply chain optimization solutions.  Strong understanding of optimization principles and in particular NLP/MINLP as well and global optimization strategies is very important.  The ideal candidate should be comfortable operating successfully at the interface of process systems engineering, operations research, mathematical programming, and computer science. 


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·         Conceptual and mathematical-programming modeling, design, coding, implementation, and testing of software applications and components with primary focus in the areas of mathematical modeling, refinery and petrochemical planning & scheduling and supply chain optimization.

·         Work with other team members to develop designs, use cases, architecture and specification documents for our products.

·         Work with Customer Support and Quality Engineering teams regarding customer and product issues as well as integration testing.

·         Analyze customer requirements and develop technical specifications.

·         Participating in the maintenance and enhancement of the existing code base.

·         Keep current with new and developing technologies as they appear in industry and academia, and assist in determining the feasibility of implementing new technologies

·         Provide technical support to product management, product marketing, services, customer and business support on customer activities


·         Eight or more years of experience with the development and practical application of innovative software solutions in industrial and business settings, with a focus on process systems engineering, mathematical modeling and optimization applications in the area of refining and petrochemical planning and scheduling. 

·         An advanced degree in Engineering, Physics, Mathematics, or Computer Science, specializing in one the following:  process modeling, planning & scheduling, operations research, mathematical programming and optimization.

·         Strong computer programming and software development experience with multiple modeling and programming languages, particularly, C++ and/or C#.

·         A track record of championing new ideas and technology.

·         Ability to effectively contribute to multi-disciplinary research, development, and software project teams.

·         Knowledge of AspenTech products, especially Aspen HYSYS and Aspen PIMS

·         Excellent interpersonal, communication, writing and presentation skills

·         Demonstrated ability to convey complex information in a clear and concise manner

·         English fluency (written and verbal) required

·         Strong problem solving ability

·         Work well in a team environment


If you are interested please send a copy of your CV along with a cover letter stating why you believe you are suitable or this position to:

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Location: Houston, TX

Aspen Technology is an Equal Opportunity/Affirmative Action Employer.


Dimitrios Varvarezos
||| Senior Director, R&D
Aspen Technology
||| +1 281 504 3097 ||| fax: +1 281 584 1062 |||