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Hysys Jobs (NOW HIRING)

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 Engineering

Senior Process Engineer

Lake Charles, LA · On-site

$95K - $123K/yr

... HYSYS, UNISYS preferred)P. E. license preferredAvailable for short-term travel IV. REPORTING REQUIREMENTS:Reports to the Process Department Engineer Manager V. PHYSICAL REQUIREMENTS:Prolonged periods ...

Nikkiso Co.

$85 - $120/hr

Aspen HYSYS * Validate simulation models against: * Design basis * Vendor data * Operating conditions * Perform sensitivity studies and optimization analyses * Generate simulation-based deliverables ...

New

Semiserve

Process Engineer

Martinez, CA

Familiar with process simulation software (Aspen HYSYS). * Strong understanding of process engineering principles. * Previous refinery experience highly preferred. Key Responsibilities * Monitor ...

Worley

Process Engineer Level II

Monrovia, CA · On-site

$110K - $162K/yr

Advanced knowledge of process simulation packages such as HYSYS and/or PRO/II, iPRSM, PSPPM, Flare Network Analyzer and Computational Fluid Dynamics. * 5+ years of relevant process engineering ...

Nikkiso Co.

Senior Process Engineer

Irvine, CA · On-site

$85 - $120/hr

Aspen HYSYS * Validate simulation models against: * Design basis * Vendor data * Operating conditions * Perform sensitivity studies and optimization analyses * Generate simulation-based deliverables ...

New

Aspen Technology, Inc.

NY · On-site

$127 - $159/hr

Experience in process engineering and optimization will be extremely important including real life user experience of AspenTech Performance Engineering products such Aspen HYSYS and Aspen Plus.

New

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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.

Senior Engineer, Production

Venture Global, Inc.

Arlington, VA • On-site

$158K - $186K/yr

Full-time

Posted 13 days ago

Job description

Venture Global LNG ("Venture Global") is a long-term, low-cost provider of American-produced liquefied natural gas. The company's Louisiana-based export projects service the global demand for North American natural gas and support the long-term development of clean and reliable North American energy supplies. Using reliable, proven technology in an innovative plant design configuration, Venture Global's modular, mid-scale plant design will replace traditional designs as it allows for the same efficiency and operational reliability at significantly lower capital cost.
We are seeking qualified applicants for the position:
Senior Engineer, Production
Located:
Arlington
Summary
We are seeking a Senior Production Engineer to join our team in our Arlington, VA office.
The Senior Production Engineer will report to the Principal Production Engineer and will be supporting Production engineering, Process engineering and Operations across all our facilities.
This role will be part of the Production engineering team responsible for ensuring the plant operations remain program compliant and that the production volumes are delivered in a safe and reliable manner. This is a fast-paced environment requiring drive, enthusiasm, willingness to learn and grow rapidly.
This position focuses on process modeling and simulation to understand plant performance, optimize production, and support day-to-day application of plant models. The successful candidate will work alongside experienced engineers and cross functional teams contributing to real-time operational decisions and support long-term/high impact decision making.
General Description Duties & Responsibilities
Candidate will develop a deep understanding of the Venture Global LNG process and responsibilities include, but not limited to:
  • 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-based and data analytics models depending on the objectives
  • Formulates solutions to create technology systems to sustain model recommendations to improve performance. This includes automation of models - engineering, AI and hybrid - as part of real-time systems
  • Engaging with stakeholders (engineering, IT, operations) and building positive relationships
  • Analyze plant data and model outputs to identify optimization opportunities and troubleshoot operational issues
  • Assist in evaluating the impact of process changes, debottlenecking studies and efficiency improvements
  • Innovating and driving continuous improvement
  • Travel to all our Louisiana LNG Facilities as needed

Qualifications
  • Bachelor's degree in Chemical Engineering. Higher degrees (Masters or PhD) preferred.
  • 5-10 years of relevant industry experience. LNG experience is a plus.
  • Must possess deep interest in physics-based engineering modeling, data analytics and data science/machine learning methodologies
  • Understands where each of the above approaches fit, i.e. strengths and weaknesses and applicability
  • Deep expertise in automation of engineering and AI models in a real-time environment
  • Engages with stakeholders across the organization to onboard and incorporate feedback
  • Familiarity with Microsoft Office 365 Application Suite, process modeling tools such as Unisim/Aspen HYSYS, AI models (e.g. neural networks)
  • Some basic programming skills is a plus (C++, Python etc.)
  • High level of energy and motivation to excel within the organization
  • Goes above and beyond and takes initiative

Salary Range
$158,000 - $186,000
Venture Global LNG is an Equal Opportunity Employer. We do not discriminate on the basis of race, religion, color, sex, gender identity, sexual orientation, age, non-disqualifying physical or mental disability, national origin, veteran status or any other basis covered by appropriate law.

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