Senior Process Engineer - Modular Skid System Design

Jobtailor; Irvine (CA); On-site; USD 150,000 - 230,000; Full time

Job summary

Jobtailor is seeking a senior process engineer to lead the design and validation of skid-mounted and modular process packages in an EPC environment. You will develop design bases, integrate across mechanical, I&C, and package disciplines, and drive simulation-based deliverables using Aspen HYSYS, Aspen Plus, and UniSim.

You will coordinate with multiple teams, perform HAZOPs, and support FAT, commissioning, and operation.

Qualifications

• Bachelor’s degree in Chemical Engineering.
• 10–15+ years of oil & gas, LNG, cryogenic, or EPC experience.
• Advanced proficiency in process simulation tools including Aspen HYSYS, Aspen Plus, and UniSim.
• Strong experience linking simulation outputs to engineering deliverables.
• Experience with skid-mounted systems and modular design.
• Strong understanding of engineering workflows.
• Experience with dynamic simulation and control validation preferred.
• Experience with cryogenic or industrial gas processes preferred.
• Background in packaged equipment or modular systems desired.
• Ability to work overtime, including weekends, nights, and holidays, as workload dictates.

Responsibilities

• Lead process system design and technical definition for skid-mounted and modular packages.
• Develop and validate the design basis ensuring operability across mechanical, I&C, and package design.
• Develop and maintain process simulation models using Aspen HYSYS.
• Validate simulation models against design basis, vendor data, and operating conditions.
• Coordinate with Mechanical, I&C, and Design teams on sizing, control philosophy, layout, operability, and maintainability.
• Participate in HAZOPs, design reviews, and interdisciplinary coordination.
• Define process requirements for vendor packages and review vendor design, calculations, guarantees, and data.
• Support FAT, commissioning, startup, troubleshooting, fabrication, and operation.
• Resolve process-related issues during fabrication and operation.
• Ensure compliance with industry standards and client specifications.

Skills

Process Simulation

Dynamic Simulation

Control Validation

Equipment Duty Calculations

Process Datasheets

Control Narratives

Cause-and-Effect Inputs

Process Calculations

Sensitivity Studies

Optimization Analyses

Education

Bachelor’s degree in Chemical Engineering

Tools

Aspen HYSYS

Aspen Plus

UniSim

Job description

Jobtailor is seeking a senior process engineer to lead the design and validation of skid-mounted and modular process packages in an EPC environment. You will develop design bases, integrate across mechanical, I&C, and package disciplines, and drive simulation-based deliverables using Aspen HYSYS, Aspen Plus, and UniSim.

You will coordinate with multiple teams, perform HAZOPs, and support FAT, commissioning, and operation.