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Hysys Jobs (NOW HIRING)

Senior Process Engineer

Richland, WA ยท 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 ...

Senior Process Engineer

Lake Charles, LA ยท 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 ...

Senior Process Engineer

Irvine, CA ยท On-site

$111K - $143K/yr

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

Senior Process Engineer

Irvine, CA ยท On-site

$111K - $143K/yr

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

Senior Process Engineer

Irvine, CA ยท On-site

$111K - $143K/yr

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

$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

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

Process Engineer Level II

Monrovia, CA ยท 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 ...

Senior Process Engineer

Irvine, CA ยท 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

NY ยท 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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What are the most commonly searched types of Hysys jobs?

The most popular types of Hysys jobs are:

What states have the most Hysys jobs?

States with the most job openings for Hysys jobs include:

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 Process Engineer

UDR Consulting Inc

Richland, WA โ€ข On-site

$108K - $140K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 10 days ago


Job description

UDR is seeking qualified candidates for a Senior Process Engineer opportunity in Richland, WA.
Description
Our Federal group is looking for a Senior Process Engineer to support our growing work in the DOE and DOD. The successful candidate will:
  • Have experience with nuclear system design, working with Safety Class or Safety Significant systems and working under a NQA-1 program or,
  • Have experience with energetics or explosives system design. (synthesis, handling, mixing, and charging)
  • Have experience applying nuclear, chemical or explosive-safety requirements into designs.
  • Have experience in project execution, from initial process studies, support of project cost estimates, through detailed design into EPC project execution.
  • Have a clear understanding of the steps of project development (e.g. front-end engineering design) and level of detail required in each step of project development.
  • Independently develop PFDs, P&IDs, complete equipment sizing and specifications, develop instrument process data and specifications.
  • Demonstrate leadership ability at the discipline level on a multidiscipline project team.
  • 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 and supporting proposal development.
This position requires an experienced and competent individual capable of successfully solving difficult problems that require adaptation and modification of standard techniques, procedures and criteria. Must be capable of devising new approaches to problems encountered. The position may require travel to support projects, estimated at 25%.
Requirements: Bachelor Degree in Chemical Engineering or related degree from an ABET accredited program. and 7 years process engineering experience. EPC project experience preferred. Required or
  • Bachelor Degree in Chemical or related Engineering Technology from an ABET accredited program and successful completion of Fundamentals of Engineering (FE) exam. and 7 years process engineering experience. EPC project experience preferred. Required or
  • Master Degree in Chemical Engineering and 6 years process engineering experience. EPC project experience preferred.
  • Expert knowledge in standard engineering techniques and procedures. Strong knowledge of process design codes (ASME, ANSI, API, PIP, NACE).
  • Strong computer skills (e.g. Microsoft Office Suite).
  • Strong computer skills include process simulation software (i.e. Hysys and/or Aspen, HTRI) is preferred.
  • Excellent written and verbal communication skills.
  • Experience with leading the discipline design for large projects and delegating work tasks to team members. Ability to lead execution of work and resolve issues in a team environment.
  • Demonstrated critical thinking skills, ability to work methodically and analytically in a quantitative problem-solving environment.
  • Strong attention to detail, facilitation, team building, collaboration, organization and problem-solving skills.
  • Ability to perform quality reviews for detailed engineering documents and specifications.
  • Ability to travel.
  • Professional Engineer (PE) License. Preferred.
  • Must be able to obtain and maintain a DoE or DoD Security Clearance.
UDR Consulting, INC is a Service-Disabled Veteran-Owned, Woman-Owned, Minority-Owned, Small Disadvantaged Business.  An Equal Opportunity Employer that considers all qualified applicants for employment without regard to race, color, religion, sexual orientation, gender identity, national origin, protected Veterans, or individuals with disabilities.  UDR also supports a drug-free work environment.
UDR offers highly competitive salaries and employee benefit packages structured to best suit your needs. We offer multiple individual and family benefit options including paid time off, medical, dental, life, vision, and disability insurance, and a pre-tax 401 (k) retirement account with Company matching contributions and 100% vesting for eligible participants beginning DAY 1.
https://udrconsultingincorporated.applytojob.com/apply/ 
 

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