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Process Simulation Engineer Aspen Plus Jobs (NOW HIRING)

Audubon Companies

Sr. Process Engineer

Houston, TX · On-site

$99K - $128K/yr

... simulations and hydraulic calculations (e.g., Aspen HYSYS, Aspen Plus) • Support HAZOP, LOPA, and other process safety reviews; close out action items • Troubleshoot plant performance issues and ...

Audubon Companies

Sr. Process Engineer

Houston, TX · On-site

$99K - $128K/yr

... simulations and hydraulic calculations (e.g., Aspen HYSYS, Aspen Plus) Support HAZOP, LOPA, and ... Engineering (PE license preferred) 8+ years of process engineering experience in oil & gas ...

Mariana Minerals

Proficiency in one or more of the following process simulation tools: * ASPEN Plus / HYSYS * SysCAD ... Engineer Out Requirements, then Automate. We simplify, optimize, and then automate for scale. Share ...

Mariana Minerals

Staff Process Modeling Engineer

Houston, TX · On-site

$100K - $160K/yr

Proficiency in one or more of the following process simulation tools: * ASPEN Plus / HYSYS * SysCAD ... Engineer Out Requirements, then Automate. We simplify, optimize, and then automate for scale. Share ...

Nikkiso Co.

Senior Process Engineer

Irvine, CA · On-site

$111K - $144K/yr

Advanced proficiency in process simulation tools (Aspen HYSYS, Aspen Plus, UniSim) * Strong experience linking simulation outputs to engineering deliverables * Experience with skid-mounted systems ...

Nikkiso

Senior Process Engineer

Irvine, CA · On-site

$111K - $144K/yr

Advanced proficiency in process simulation tools (Aspen HYSYS, Aspen Plus, UniSim) * Strong experience linking simulation outputs to engineering deliverables * Experience with skid-mounted systems ...

Kids for the Future

Process Engineer

Houston, TX · On-site

Final level (Engineer, Senior Engineer, or Lead) will be determined based on experience and ... Perform process simulations using Aspen HYSYS, Aspen Plus, ProMax, or equivalent software to ...

Nikkiso Co.

$76K - $99K/yr

Advanced proficiency in process simulation tools (Aspen HYSYS, Aspen Plus, UniSim) * Strong experience linking simulation outputs to engineering deliverables * Experience with skid-mounted systems ...

8 Rivers

Senior Process Engineer

Durham, NC · On-site

$94K - $121K/yr

Build simulation models using software like Aspen Plus to evaluate system performance. * Optimize ... Develop engineering packages including Basic Engineering Package (BEP) and Process Flow Diagrams ...

8 Rivers

Senior Process Engineer

Durham, NC · On-site

$100K - $130K/yr

Build simulation models using software like Aspen Plus to evaluate system performance. * Optimize ... Develop engineering packages including Basic Engineering Package (BEP) and Process Flow Diagrams ...

8 Rivers

Senior Process Engineer

Durham, NC · On-site

$100K - $130K/yr

Build simulation models using software like Aspen Plus to evaluate system performance. * Optimize ... Develop engineering packages including Basic Engineering Package (BEP) and Process Flow Diagrams ...

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How much do process simulation engineer aspen plus jobs pay per year?

As of Sep 13, 2026, the average yearly pay for process simulation engineer aspen plus in the United States is $123,399.00, according to ZipRecruiter salary data. Most workers in this role earn between $92,000.00 and $146,500.00 per year, depending on experience, location, and employer.

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For Process Simulation Engineer Aspen Plus jobs, the most frequently searched job titles are:

Infographic showing various Process Simulation Engineer Aspen Plus job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 80% Full Time, 15% Part Time, 3% Contract, and 1% Nights. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $123,399 per year, or $59.3 per hour.

Sr. Process Engineer

Houston, TX • On-site

Audubon Companies
See more jobs at Audubon Companiesexternal

$99K - $128K/yr

Full-time

Posted 16 days ago

Job description

We're seeking a Senior Process Engineer to lead process design, optimization, and troubleshooting across capital projects and operating facilities. You'll develop process deliverables, drive technical excellence, and mentor junior engineers while ensuring designs meet safety, quality, and performance standards.
Key Responsibilities:
• 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 HAZOP, LOPA, and other process safety reviews; close out action items
• Troubleshoot plant performance issues and identify debottlenecking and optimization opportunities
• Review vendor documents and support procurement, construction, commissioning, and startup
• Mentor junior engineers and review deliverables for technical accuracy
Qualifications
• Bachelor's degree in Chemical Engineering (PE license preferred)
• 8+ years of process engineering experience in oil & gas, petrochemical, or industrial facilities
• Proficiency with process simulation software and industry codes/standards (API, ASME)
• Strong knowledge of process safety management principles
• Excellent analytical, communication, and teamwork skills

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