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Unisim Jobs (NOW HIRING)

Worley

Senior Process Engineer

Denver, CO · On-site

$107K - $138K/yr

Process models in Aspen HYSYS, Unisim Design, or other simulation software. * Line sizing, velocity and pressure drop calculations. * Equipment sizing calculations and specifications for bulk ...

Praxair

Plant Engineer

East Chicago, IN · On-site

Process Simulation Modeling Experience with UniSim, Aspen, or Hysis About Linde: Linde is a leading global industrial gases and engineering company with 2025 sales of $34 billion. We live our mission ...

KBR, Inc.

Advanced Simulation Specialist

Houston, TX · On-site

UniSim * HYSYS Dynamics * Aspen Plus * Aspen Custom Modeler * PIPENET * PIPESIM * SPS * Experience with Operator Training Simulators (OTS) and other engineering simulation tools is a plus ...

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How much do unisim jobs pay per hour?

As of Jun 18, 2026, the average hourly pay for unisim in the United States is $13.97, according to ZipRecruiter salary data. Most workers in this role earn between $12.50 and $15.38 per hour, depending on experience, location, and employer.

What are Unisim jobs?

Unisim jobs typically refer to positions that involve working with UniSim, a process simulation software used primarily in the chemical, oil & gas, and process industries. Professionals in these roles use UniSim to model, simulate, and optimize process operations, helping organizations improve efficiency, safety, and profitability. Common UniSim job titles include process engineer, simulation specialist, and process modeling engineer. These jobs require a solid background in chemical engineering, process optimization, and familiarity with simulation tools like UniSim. Employers value candidates with strong analytical skills, attention to detail, and experience in industrial process environments.

What are some common challenges faced by professionals working with Unisim simulation software, and how can they be addressed?

Professionals using Unisim often encounter challenges related to modeling complex processes accurately and integrating simulation results into real-world operations. Navigating the software's advanced features can require a solid understanding of both process engineering and the tool itself, which may necessitate ongoing training. Collaboration with process engineers, IT teams, and operations staff is crucial to ensure simulations reflect actual plant conditions and to validate results. Regularly updating models and maintaining clear documentation can help address these challenges and improve overall project outcomes.

What are the key skills and qualifications needed to thrive as a Unisim Engineer, and why are they important?

To thrive as a Unisim Engineer, you need a solid background in chemical or process engineering, strong analytical skills, and typically a relevant engineering degree. Proficiency in AspenTech's UniSim process simulation software and familiarity with related industry tools are essential. Attention to detail, problem-solving ability, and effective communication are key soft skills for collaborating with multidisciplinary teams and optimizing process designs. These skills ensure accurate simulations, efficient plant operations, and successful project outcomes in process industries.

What is the difference between Unisim vs Process Engineer?

AspectUnisimProcess Engineer
CredentialsTypically requires chemical engineering background, certifications in simulation softwareRequires chemical engineering degree, professional engineering license often preferred
Work EnvironmentPrimarily software-based, working in offices or remoteIndustrial plants, refineries, or manufacturing facilities
Industry UsageUsed for process simulation, design, and optimizationDesign, develop, and optimize industrial processes

Unisim is a simulation software used by engineers to model and optimize chemical processes, while a Process Engineer applies engineering principles to develop and improve industrial processes. Both roles often require chemical engineering credentials, but Unisim focuses on software expertise, whereas Process Engineers work directly in industrial settings.

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What job categories do people searching Unisim jobs look for? The top searched job categories for Unisim jobs are:
Unisim jobs near you
Infographic showing various Unisim job openings in the United States as of June 2026, with employment types broken down into 89% Full Time, and 11% Contract. Highlights an 94% Physical, and 6% Remote job distribution, with an average salary of $29,053 per year, or $14 per hour.
Sr. Discipline Lead - Process (Client-facing / Onsite)

Sr. Discipline Lead - Process (Client-facing / Onsite)

Sonitalent LLC

Houston, TX • On-site

$98K - $128K/yr

Other

Posted 2 days ago

Job description

1. Act as single point of contact for process engineering with Client
2. Lead technical discussions, workshops, and clarifications, Own input validation & client alignment before offshore execution
3. Lead PDP development from design basis to final package including PDB, PFDs, P&IDs, and safety deliverables
4. Hands on experience on Process Simulation software viz. ASPEN HYSYS, ASPEN PLUS, PRO II, CHEMCAD, UNISIM etc.
5. Able to perform Process Simulation for Distillation Column, Scrubber System, Fractional Distillation, Stripping and other processes.
6. Exposure/Experience of working in Basic Engineering, FEED and Detail Engineering Projects.
7. Review vendor drawings/ deliverables from process viewpoint.
8. Prepare and review all process engineering deliverables like process design basis, PFD, P&IDs, PDS, IPDS, Equipment List, Line list, Tin-in list, C&E chart, control narrative, relief narrative, PSV sizing calculations, Hydraulic calculations etc.
9. Good understanding of process system design, national and international code & standards and good engineering practices.
10. Ensure effective interdisciplinary co-ordination and one team approach to meet the common goal.
11. Ensure effective communication with Offshore team (Engineering team at different time zone) to ensure clarity of scope, priorities, and deliverable quality.
12. Ensure excellence in deliverable quality within stipulated budget and on-time delivery of projects.
13. Provide process engineering deliverable list and manhour estimate to proposal team.
Qualification:
Bachelor in Chemical Engineering as minimum

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About Sonitalent

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Since 2018, Sonitalent Corp has been providing professional services to job seekers and employers. With our longevity, we’ve learned that staffing is not a numbers game — it’s a relationship-building business. That’s why we put an emphasis on listening, guiding and matching. With a team of top-notch employees, we offer tailor-made solutions to meet your needs. We work with leading organizations and businesses, and have developed a reputation as staffing experts.

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Recruiting and staffing services

Headquarters location

Prospect, KY, US

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