Senior Process Engineer

ABGi USA; Lake Charles (LA); On-site; USD 120,000 - 170,000; Full time

Job summary

ABGi USA is seeking a Senior Process Engineer to lead process engineering from concept through detailed design across chemical, petrochemical, refining, and industrial sectors. You will develop heat and material balances, PFDs and P&IDs, and perform simulations and hydraulic calculations.

Interface directly with clients and collaborate with mechanical, piping, instrumentation, and electrical teams. The role offers direct project ownership, diverse and challenging projects, and comprehensive

Qualifications

• Bachelor's degree in Chemical Engineering.
• 8+ years of process engineering experience in EPC/consulting/industrial manufacturing.
• Experience with PFDs, P&IDs, hydraulic calculations, and process design packages.
• PE license preferred but not required.
• Experience with HYSYS, Aspen HYSYS or PROII.

Responsibilities

• Lead process engineering from concept through detailed design.
• Develop heat and material balances, PFDs, and P&IDs.
• Perform process simulations and hydraulic calculations.
• Design and validate relief systems and support process safety initiatives.
• Coordinate with multidisciplinary teams and interface with clients.

Skills

Client interaction

Cross-functional teamwork

Communication

Project planning

Education

Bachelor's degree in Chemical Engineering

Tools

HYSYS

Aspen HYSYS

PROII

Job description

ABGi USA is hiring on behalf of one of our engineering and industrial clients for an experienced Senior Process Engineer. This is an exciting opportunity to join a growing team supporting a variety of process engineering projects across the chemical, petrochemical, refining, and industrial sectors.

We're looking for an experienced engineer who enjoys solving complex technical challenges, collaborating across disciplines, and partnering directly with clients to deliver high-quality engineering solutions.

Responsibilities

• Lead process engineering efforts from concept through detailed design.
• Develop heat and material balances, Process Flow Diagrams (PFDs), and Process & Instrumentation Diagrams (P&IDs).
• Perform process simulations, hydraulic calculations, and process equipment evaluations.
• Design and validate relief systems and support process safety initiatives.
• Troubleshoot existing process systems and develop practical engineering solutions.
• Prepare technical reports, process narratives, and engineering documentation.
• Coordinate with multidisciplinary engineering teams including mechanical, piping, instrumentation, and electrical.
• Interface directly with clients throughout project execution.
• Support project planning, estimating, scheduling, and resource allocation while maintaining project budgets.

Qualifications

• Bachelor's degree in Chemical Engineering.
• 8+ years of process engineering experience within an EPC, consulting, or industrial manufacturing environment.
• Strong experience with process simulation software such as HYSYS, Aspen HYSYS, or PROII.
• Experience developing process engineering deliverables including PFDs, P&IDs, hydraulic calculations, and process design packages.
• Strong communication skills with the ability to work directly with clients and cross-functional teams.
• Professional Engineer (PE) license is preferred but not required.

Why Apply?

• Work on diverse and technically challenging projects.
• Join a collaborative, growth-oriented engineering team.
• Opportunity for direct client interaction and project ownership.
• Competitive compensation and comprehensive benefits.