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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 ...

ABGi

Process Engineer - Lake Charles, LA

Houston, TX · On-site

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 ...

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 ...

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.

Pbf Energy

Engineer, Sr. Process Design

Oregon, OH · On-site

$99K - $128K/yr

Utilize Aspen HYSYS (and other applicable simulation tools) to develop, tune, and maintain rigorous process models that enable unit optimization, troubleshooting, constraint identification ...

PBF Energy

Engineer, Sr. Process Design

Oregon, OH · On-site

$99K - $128K/yr

Utilize Aspen HYSYS (and other applicable simulation tools) to develop, tune, and maintain rigorous process models that enable unit optimization, troubleshooting, constraint identification ...

PBF Energy, Inc.

Engineer, Sr. Process Design

Oregon, OH · On-site

$99K - $128K/yr

Utilize Aspen HYSYS (and other applicable simulation tools) to develop, tune, and maintain rigorous process models that enable unit optimization, troubleshooting, constraint identification ...

Plum-Gas-Solutions

Application Engineer

Odessa, TX · On-site

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

Audubon Companies

Sr. Process Engineer

Houston, TX

$99K - $128K/yr

Lead process design activities including PFDs, P&IDs, heat and material balances, and equipment sizing Perform process simulations and hydraulic calculations (e.g., Aspen HYSYS, Aspen Plus) Support ...

Melland Consulting, LLC

Senior Process Engineer

Houston, TX · On-site

$99K - $128K/yr

Hands-on experience with Aspen HYSYS and/or UniSim * Strong understanding of: * Heat & material balances * Refrigeration cycles * Gas separation processes Key ResponsibilitiesCryogenic Process ...

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How much do hysys jobs pay per hour?

As of Sep 14, 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 September 2026, with employment types broken down into 3% Internship, 93% Full Time, 1% Part Time, and 3% Contract. Highlights an 84% Physical, 9% Hybrid, and 7% Remote job distribution, with an average salary of $52,986 per year, or $25.5 per hour.

Process Engineer - Lake Charles, LA

Houston, TX

ABGi
See more jobs at ABGiexternal

Full-time

Re-posted 10 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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