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Hysys Jobs (NOW HIRING)

ABGi

Process Engineer - Lake Charles, LA

Houston, TX

Build and maintain process simulation models using HYSYS, PROII, or similar software. * Perform hydraulic calculations and evaluate process equipment performance. * Develop process designs for new ...

Jobtailor

Senior Process Engineer

Irvine, CA · On-site

$150 - $230/hr

Develop and maintain steady-state and dynamic process simulation models using Aspen HYSYS * Validate simulation models against design basis, vendor data, and operating conditions * Perform ...

New

ABGi

Senior Process Engineer - Lake Charles, LA

Houston, TX · On-site

$97K - $125K/yr

Strong experience with process simulation software such as HYSYS, Aspen HYSYS, or PROII. * Experience developing process engineering deliverables including PFDs, P&IDs, hydraulic calculations, and ...

AspenTech

Principal Engineer

Bedford, MA

$127K - $158K/yr

The successful candidate will utilize his/her expertise in the area of thermodynamic and transport properties modeling to support various AspenTech products, including Aspen HYSYS and Aspen Plus.

Aspen Technology, Inc.

Principal Engineer

Bedford, MA · On-site

$127K - $158K/yr

The successful candidate will utilize his/her expertise in the area of thermodynamic and transport properties modeling to support various AspenTech products, including Aspen HYSYS and Aspen Plus.

Plum Gas Solutions

Application Engineer

Houston, TX · On-site

$90 - $130/hr

Perform simulations using Aspen HYSYS (preferred) or equivalent tools * Develop: * Process Flow Diagrams (PFDs) * Piping & Instrumentation Diagrams (P&IDs) * Heat & material balances * Evaluate ...

Plum Gas Solutions

Application Engineer

Odessa, TX · On-site

$90 - $130/hr

Perform simulations using Aspen HYSYS (preferred) or equivalent tools * Develop: * Process Flow Diagrams (PFDs) * Piping & Instrumentation Diagrams (P&IDs) * Heat & material balances * Evaluate ...

Plum Gas Solutions

Application Engineer

Odessa, TX · On-site

Perform simulations using Aspen HYSYS (preferred) or equivalent tools * Develop: * Process Flow Diagrams (PFDs) * Piping amp; Instrumentation Diagrams (P amp;IDs) * Heat amp; material balances

Socket.dev

Senior Engineer, Production

Arlington, VA · On-site

$158 - $186/hr

Creating/validating steady-state and dynamic process models of the LNG process units using industry standard tools (e.g., Aspen HYSYS) * Using appropriate methodologies such data driven, physics ...

New

Venturegloballng

Senior Engineer, Production

Arlington, VA · Hybrid

$158K - $186K/yr

Creating/validating steady-state and dynamic process models of the LNG process units using industry standard tools (e.g., Aspen HYSYS) * Using appropriate methodologies such data driven, physics ...

UDR Consulting Inc

Senior Process Engineer

Richland, WA · On-site

$108K - $140K/yr

Develop process models with commercially available programs (Aspen, Hysys, ChemCAD) or by building custom models in Excel. * Support business development efforts by developing engineering estimates ...

Polaris

Process Engineer

Lake Charles, LA · On-site

Familiar HYSYS or PROII simulation experience * Relevant experience in process design * Ability to communicate effectively with multi-discipline teams, vendors or clients * Understanding of ...

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How much do hysys jobs pay per hour?

As of Aug 21, 2026, the average hourly pay for hysys in the United States is $25.47, according to ZipRecruiter salary data. Most workers in this role earn between $17.55 and $29.57 per hour, depending on experience, location, and employer.

What is a HYSYS?

A Hysys job typically involves using Aspen Hysys, a process simulation software, to model and optimize chemical processes in industries such as oil and gas, refining, and petrochemicals. Professionals in this role analyze process performance, design equipment, and troubleshoot operational issues. They may work as process engineers, simulation specialists, or consultants to improve efficiency and safety in industrial operations. Strong knowledge of thermodynamics, process design, and simulation techniques is essential for success in this field.

What does a HYSYS do?

Professionals in a HYSYS-focused position generally spend their days developing and optimizing process simulations using Aspen HYSYS software, analyzing plant data, and working closely with process engineers to troubleshoot operational challenges. They may also participate in project meetings, prepare technical reports, and present simulation results to both engineering and management teams. Collaboration is frequent, as HYSYS specialists often consult cross-functional groups, including operations, safety, and instrumentation teams, to ensure simulation outputs align with real-world requirements. Continuous learning is important, as new software updates and evolving industry standards require ongoing professional development.

What are the key skills and qualifications needed to thrive in the HYSYS position?

To thrive in a HYSYS role, you need a solid background in chemical engineering principles and process modeling, typically supported by a degree in chemical engineering or a related field. Proficiency with Aspen HYSYS process simulation software is essential, and additional certifications in process simulation may be advantageous. Strong analytical thinking, attention to detail, and effective communication skills set top performers apart. These skills and qualifications are crucial for accurately modeling chemical processes, troubleshooting design issues, and collaborating with multidisciplinary teams to ensure optimal plant performance.

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Hysys jobs near you
Infographic showing various Hysys job openings in the United States as of August 2026, with employment types broken down into 97% Full Time, and 3% Contract. Highlights an 94% Physical, 2% Hybrid, and 4% Remote job distribution, with an average salary of $52,986 per year, or $25.5 per hour.

Process Engineer - Lake Charles, LA

ABGi

Houston, TX

Full-time

Re-posted 15 days ago

Job description

ABGi USA is hiring on behalf of one of our engineering and industrial clients for a Process Engineer. This is an exciting opportunity to join a growing engineering team supporting a variety of projects across the chemical, petrochemical, refining, and industrial sectors.

We're seeking an engineer with 2–7 years of experience who enjoys process engineering, technical problem-solving, and collaborating with multidisciplinary teams to deliver innovative solutions from concept through execution.

Responsibilities

  • Develop process engineering deliverables including heat and material balances, Process Flow Diagrams (PFDs), and Process & Instrumentation Diagrams (P&IDs).

  • Build and maintain process simulation models using HYSYS, PROII, or similar software.

  • Perform hydraulic calculations and evaluate process equipment performance.

  • Develop process designs for new and existing facilities.

  • Prepare engineering reports, technical documentation, and process design packages (PDPs).

  • Collaborate with mechanical, piping, instrumentation, electrical, and project engineering teams.

  • Support projects throughout the engineering and design lifecycle.

Qualifications

  • Bachelor's degree in Chemical Engineering.

  • 2–7 years of process engineering experience in an EPC, consulting, or industrial manufacturing environment.

  • Experience with process simulation software such as HYSYS, Aspen HYSYS, PROII, or similar platforms.

  • Strong understanding of process engineering fundamentals and process design.

  • Excellent communication and collaboration skills.

  • Ability to travel occasionally to client or project sites.

Why Apply?

  • Work on diverse and technically challenging engineering projects.

  • Collaborate with an experienced, multidisciplinary team.

  • Gain exposure to a variety of industries and clients.

  • Competitive compensation, comprehensive benefits, and strong opportunities for professional growth.

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