Hire the Best Aspen HYSYS Specialists

More than 3,000 reviews on G2
Rating is 4.5 out of 5.
4.5/5
of Upwork by G2 peer reviewers
Tabish A.

Lahore, Pakistan

$25/hr
5.0
14 jobs

PhD in Electrochemical Systems | 15+ Years of Experience in Process Design & Simulation I am a PhD-qualified Chemical Engineer with 15+ years of experience in teaching and research related to process simulation, design, and optimization, specializing in Aspen Plus and Aspen HYSYS. As an Aspen Certified Expert User, I deliver reliable, industry-grade solutions for steady-state modeling, mass and energy balances, energy integration, and process economics. My background includes extensive academic and industrial projects in chemical, energy, and electrochemical systems, with 30+ peer-reviewed publications and supervision of process design and renewable energy projects. I excel at translating complex problems into practical flowsheet solutions that improve efficiency and reduce costs. What I Can Do for You: Process Simulation & Design: Steady-state modeling in Aspen Plus & HYSYS Energy & Cost Optimization: Pinch analysis, techno-economic and thermoeconomic evaluation, process integration Electrochemical & Renewable Systems: SOFC, electrolysis, biofuels, and waste-to-energy Prefeasibility Studies: Mass/energy balances, sensitivity analysis, process economics Advanced Modeling: CFD (COMSOL), kinetic modeling, hybrid energy systems Why Work With Me: ✔ Aspen Plus Certified Expert User ✔ 15+ years of teaching, research & consulting experience ✔ Proven track record in simulation-driven process design ✔ Strong academic and industry collaborations

  • Aspen HYSYS
  • Aspen Plus
  • COMSOL Multiphysics
  • Process Design
  • Process Simulation
  • Energy Engineering
  • Chemical Engineering
Fauzan A.

Sumenep, Indonesia

$5/hr
4.9
20 jobs

Mechanical Engineer with 5+ years of experience delivering engineering calculations, simulations, and detailed designs for static and rotating equipment in Oil & Gas, Mining, Manufacturing, and Energy industries. Familiar with code compliance such as: ASME, API, TEMA, ASHRAE, AWWA, CEMA, NFPA and ISO Standard MY SERVICE: ⚙️ STATIC & ROTATING EQUIPMENT ✔️ PRESSURE VESSEL | Perform Calculation by code, FEA Simulation, 3D model, Detail Drawing. ✔️STORAGE TANK | Perform Calculation by code, FEA Simulation, 3D model, Detail Drawing. ✔️HEAT EXCHANGER | Perform Calculation by code, CFD Simulation, 3D model, Detail Drawing. ✔️PIPING DESIGN | Perform Calculation by code, Stress Analysis, Plant 3D, Isometric Drawing. ✔️PUMP & COMPRESSOR | Perform Calculation, CFD Simulation, Plant Layout. ✔️MECHANICAL PACKAGE such as: Chiller Unit, Filtration System. ✔️CONVEYOR | Perform Calculation by code and Detail Drawing. ✔️MEP & HVAC | Perform calculation requirement, detail drawing, and fabrication ready. ⚙️ OTHERS ✔️3D Modelling for Mechanical Design | GA, Detail drawing. ✔️CFD | Perform CFD for Thermal, Fluid Dynamic. ✔️FEA & Calculation| Perform FEA Analysis for machine equipment such as bolting, shaft, bearing EXPERTISE SOFTWARE: ⚙️ CAD ✔️ Autodesk AutoCAD ✔️Autodesk Inventor ✔️ AutoCAD Plant 3D ✔️ SolidWorks ⚙️ CAE ✔️ PV Elite ✔️ AME Tank ✔️ ANSYS CFD, and ANSYS Mechanical ✔️ HTRI ✔️ CAESAR II ✔️ Sidewinder ✔️ Carrier HAP

  • Mechanical Engineering
  • Mechanical Design
  • Piping Design
  • CFD Analysis
  • Finite Element Analysis
  • CAD Drafting
  • 3D Design
  • 2D Design
  • HVAC System Design
  • MEP Design
  • Autodesk AutoCAD
  • Autodesk Inventor
  • SolidWorks
  • AutoCAD Plant 3D
  • ANSYS
  • Caesar II
  • PV ELITE
  • HTRI
  • Machinery
  • Thermodynamics
Asad A.

Lahore, Pakistan

$49/hr
4.5
129 jobs

👋 Hi there! I'm Asad, a Top Rated Plus Freelancer on Upwork. ↬ Proudly serving clients globally, I ranked among the top 1% of freelancers on Upwork. ↬ I am a Chemical Engineer specializing in Materials, Reverse Engineering, Product Development, etc. ↬ Affiliated with the Washington Accord, ensuring top-tier professional standards. ↬ Boasting over five years of extensive experience in the field. ↬ Currently working in Research and Development (R&D) for Chemicals and Materials. ↬ Committed to exceeding expectations and achieving your project goals precisely and excellently. As a multidisciplinary Chemical and Polymer Engineer, I bring deep expertise in Process Engineering, Material Selection, Formulation Development, Process Design & Optimization, Product Design & Optimization, Reverse Engineering, FEA, and Simulation Analysis. I provide tailored solutions across diverse sectors including Chemicals, Plastics, Rubbers, Coatings, Adhesives, Packaging, Consumer Products, and Chemical Process Industries. My proficiency extends to the in-depth understanding of material behavior and utilizing diverse techniques and software tools to develop prototypes before the actual process is set into motion. Software Expertise Includes: Ansys Polyflow, Aspen Plus V11, Aspen Hysys, Moldex 3D, MINITAB, SOLID-WORKS, PowerShape, Auto CAD, MOLD FLOW, MATLAB, ORIGIN. Materials Expertise: ↬ Elastomers & Rubber Compounding (SBR, NBR, FKM, Silicone, etc.) ↬ Composites (Nano, Bio, MMC, FMC, CMC) ↬ Epoxy Systems & High-Performance Resins ↬ Foam Materials (PU, EVA, Styrene, Rebonded Foam) ↬ Polymer & Plastic Processing Technologies ↬ Biodegradable and Eco-friendly Materials Chemical Process Engineering: ↬ Design & Simulation of Process Plants ↬ Reactor Design & Scale-Up ↬ Distillation Columns, Absorbers, Evaporators ↬ Energy and Mass Balance Calculations ↬ Plant Cost Estimation and Economic Optimization Process & Manufacturing Capabilities: ↬ Injection Molding (commodity to high-end engineering applications) ↬ Extrusion (profiles, pipes, films, packaging sheets) ↬ Stretch Blow Molding & Extrusion Blow Molding ↬ Compression Molding & Thermoforming ↬ PLA 3D Printing ↬ Sintering & Casting Processes ↬ Superabsorbent Materials (e.g., diapers, hygiene products) ↬ Plastic Pellet Manufacturing ↬ Non-Woven & Woven Fabric Applications ↬ Plastic Bags & Containers (PP, PE, Woven, Oxo-biodegradable) Product & Material Development: ↬ Sustainable Products ↬ Adhesives & Sealants (custom base resins and specialty applications) ↬ Dyes, Pigments, and Additives ↬ Masterbatch Formulation and Processing ↬ Nano-Coatings, Ceramic & Powder Coatings ↬ Scented Plastic Product Development ↬ High-Strength & Engineering Grade Materials for Structural Use ↬ Reverse Engineering of Market Products ↬ Product Formulation & Troubleshooting Analysis & Characterization: ↬ Material Property Testing & Characterization ↬ Product Simulation & Design ↬ Failure Analysis & Process Optimization ↬ Material Selection for Target Applications ↬ Complete Plant Simulation (including reactors, unit operations) Whether you're developing a new product, optimizing a manufacturing process, or seeking innovative material solutions, I offer comprehensive support from concept to commercialization. I assure my clients of receiving authentic, precisely organized, and well-formatted work. All my formulation, material development, and product design skills are backed by substantial industrial experience. With full accountability and confidence, I am a resourceful creator who can embark on projects with minimal input and deliver precision. I prioritize fast project completion and firmly believe in providing complete solutions. Even after completing a project, I remain open to continued communication, welcoming your input and addressing any concerns. Your confidentiality and privacy are of utmost importance to me. Let's chat and discuss what you have in mind to realize. Cheers!

  • Aspen HYSYS
  • Research & Development
  • Product Formulation
  • Process Simulation
  • Reverse Engineering
  • Plastic
  • Polymer Engineering
  • Process Engineering
  • Chemical Engineering
  • Materials Engineering
  • Scientific Literature Review
  • Sustainable Product
  • Chemical Synthesis
  • Polymer Science
  • Product Development
Ahmed H.

Sohag, Egypt

$33/hr
5.0
47 jobs

Hi there! I’m Ahmed,⭐⭐⭐⭐⭐ a top-rated Plus freelancer, proven track record of success, a Process Engineer with over 10 years of hands-on experience helping clients in the Oil & Gas, Water Treatment, and Industrial Utilities sectors achieve safe, efficient, and optimized operations. What I Can Help You With? • Process & Hydraulic Analysis: Process Design, Process Improvement, Oil and Gas Expertise, Surge and transient studies, pump sizing, control valve optimization, and pressure profile assessments. • Process Simulation & Design: Aspen HYSYS, Aspen Plus, EPANET, AFT Fathom/Arrow/Impulse, WANDA, and HTRI modeling for design and optimization. • Engineering Documentation: FEED development, PFDs and P&IDs, design basis reports, process datasheets, and technical reviews. • System Optimization & Troubleshooting • Process Hazard Analysis (HAZID, HAZOP, SIL, LOPA, QRA, FERA, EERA, FMEA, FMECA, FTA, ETA) • Process Data Sheets development (Equipment Sizing) • Cause & Effect diagrams development • Quantity Take-off from detailed project drawings, mark up different items properly. • Construction estimation manpower, material and equipment using reliable platforms such as RSmeans. • Maintenance planner, Predictive, preventive, Reliability Centered and Proactive. • Project life cycle building. • Training & Mentorship: Customized in-class, on-site, and online programs for engineers and operators. My Technical Toolbox: Aspen HYSYS | Aspen Plus | AFT Fathom | AFT Arrow | AFT Impulse | EPANET | WANDA | Water9 | HTRI | Pro II | AutoCAD Why Clients Love Working With Me • Top-rated Plus freelancer, proven track record of success and long-term client relationships. • 10+ years of real project experience covering FEED, design, HAZOP/SIL/HAZID, FAT/SAT, and commissioning. • Known for clear communication, on-time delivery, and accurate engineering analysis. • Passionate about using technology to boost safety, efficiency, and sustainability in every project. I’m always happy to discuss your project needs and provide insight before we begin, feel free to reach out anytime!

  • Aspen HYSYS
  • Aspen Plus
  • HAZOP
  • Training
  • Hydraulic Simulation
  • EPANET
  • AutoCAD Plant 3D
  • Water
  • Process Engineering
  • Chemical Engineering
  • Piping & Instrumentation Diagram
  • Process Flow Diagram
  • Energy
  • Fathom Applications Fathom
Diego S.

Curitiba, Brazil

$35/hr
5.0
4 jobs

Mechanical Engineer (PhD) specialized in thermal systems, energy efficiency and engineering modeling. I have several years of experience working with thermodynamics, heat transfer, energy systems and numerical simulation. My work focuses on analyzing and optimizing engineering systems using modeling, simulation and data analysis. I can support companies, researchers and engineering teams with: • Thermal and heat transfer analysis • Energy systems modeling and simulation • Thermodynamic and exergy analysis • Process and system optimization • Engineering calculations and technical reports • Python-based numerical modeling My background includes research and development in energy systems, heat recovery technologies and advanced engineering analysis. I have also worked in academic and industrial environments, developing technical studies, simulations and engineering solutions. If you need support with thermal systems, energy analysis, or engineering modeling, I would be glad to help.

  • Energy
  • Modeling
  • Mechanical Engineering
  • Engineering & Architecture
  • CAD
  • Science
Petros C.

Athens, Greece

$30/hr
5.0
14 jobs

Mechanical Engineer specialized in turbomachinery and energy systems, with strong expertise in CFD, thermodynamic modeling and design optimization. I have experience in research and applied engineering projects, including sCO2 power cycles and rotating machinery design and optimization for industrial applications.

  • MATLAB
  • CFD Analysis
  • SolidWorks
  • Mechanical Engineering
  • Thermodynamics
  • Mathematical Modeling
  • OpenFOAM
  • Numerical Analysis
  • Mechanical Design
  • Aerospace Engineering
  • Engineering Simulation
  • Python Script
  • Freecad
  • CAD
  • 3D Design

How it works

Post a job for freePost a job

Tell us what you need. Create your own job post or generate one with AI then filter talent matches.

Hire top talent fast

Consult, interview, and hire quickly, so you can meet the freelancers you're excited about.

Collaborate easily

Use Upwork to chat or video call, share files, and track project progress right from the app.

Payment simplified

Manage payments in one place with flexible billing options. Only pay for approved work, hourly or by milestone.

Don't just take our word for it

How do I hire a Aspen HYSYS Specialist on Upwork?

You can hire a Aspen HYSYS Specialist on Upwork in four simple steps:

  • Create a job post tailored to your Aspen HYSYS Specialist project scope. We’ll walk you through the process step by step.
  • Browse top Aspen HYSYS Specialist talent on Upwork and invite them to your project.
  • Once the proposals start flowing in, create a shortlist of top Aspen HYSYS Specialist profiles and interview.
  • Hire the right Aspen HYSYS Specialist for your project from Upwork, the world’s largest work marketplace.

At Upwork, we believe talent staffing should be easy.

How much does it cost to hire a Aspen HYSYS Specialist?

Rates charged by Aspen HYSYS Specialists on Upwork can vary with a number of factors including experience, location, and market conditions. See hourly rates for in-demand skills on Upwork.

Why hire a Aspen HYSYS Specialist on Upwork?

As the world’s work marketplace, we connect highly-skilled freelance Aspen HYSYS Specialists and businesses and help them build trusted, long-term relationships so they can achieve more together. Let us help you build the dream Aspen HYSYS Specialist team you need to succeed.

Can I hire a Aspen HYSYS Specialist within 24 hours on Upwork?

Depending on availability and the quality of your job post, it’s entirely possible to sign up for Upwork and receive Aspen HYSYS Specialist proposals within 24 hours of posting a job description.