Sr. Systems Design Engineer

Air Liquide Global E&C Solutions is a technology partner of choice for the design, engineering and construction of leading-edge processing facilities and related infrastructures worldwide. We enable our customers to optimize the use of the planet's natural resources in order to provide clean and sustainable energy thanks to our people and their capability to innovate constantly. Through cutting edge innovation applied to our proprietary technology we contribute to the transformation of the energy industry and help to preserve & protect the atmosphere of our planet. Looking back on decades of operational expertise within the world leader in gases for industry, health and the environment, we develop creative, safe, reliable and competitive solutions for our customers, proposing a sustainable worldwide offer of best-in-class plants in a dynamically changing marketplace.

Air Liquide’s ambition is to be a leader in its industry, deliver long term performance and contribute to sustainability - with a strong commitment to climate change and energy transition at the heart of its strategy.

How will you CONTRIBUTE and GROW?

The Sr. System Engineer for the Engineering and Construction Turbo Division in Santa Ana is responsible for designing and overseeing the development of critical systems, such as lube oil and seal gas systems, while adhering to safety and engineering standards. Key duties include creating submittal drawings (P&IDs, ICD, GAD), establishing process flow diagrams (PFDs), and selecting equipment such as pumps, valves, and heat exchangers. The engineer will participate in design reviews, contribute to global development efforts, and provide technical support during fabrication, commissioning, and plant start-up. Expertise in SolidWorks, AutoCAD, fluid dynamics, and industry standards (ASME, API, ANSI) is essential, along with strong problem-solving skills and experience working with rotating equipment in a manufacturing environment. The role requires the ability to work under pressure, independently, and in a multicultural environment.

Job Title: Sr. System Engineer
Department: Engineering
Reports to: Engineering Manager
FLSA: Exempt
Location: Santa Ana, Turbo Division

Job Summary:

The Sr. System Engineer will play a critical role in the design, development, and implementation of mechanical systems for turbo expander assemblies, specifically focusing on the lube oil and seal gas systems. This position is tasked with ensuring that all design efforts meet or exceed company safety standards and comply with both local and global engineering guidelines. The role demands a comprehensive understanding of mechanical design, system integration, and fluid dynamics, as well as strong proficiency in SolidWorks, AutoCAD, and adherence to industry standards such as ASME, API, and ANSI.

The Sr. System Engineer will also be responsible for creating technical deliverables, conducting design reviews, and collaborating with the project management and engineering teams to meet project deadlines. This role will support fabrication, testing, and commissioning efforts, as well as capitalize on previous projects' knowledge to optimize future designs.

Essential Duties and Responsibilities:

• Design & Documentation:

  • Create and review submittal drawings such as Piping and Instrumentation Diagrams (P&IDs), Interface Control Documents (ICD), and General Arrangement Drawings (GAD) for lube oil systems, seal gas systems, and related rotating equipment.
  • Develop system assembly drawings and support material, heat, and energy balances to guide the development of these systems.
  • Size and select main system components, including equipment such as pumps, valves, relief valves, heat exchangers, accumulators, and flow meters.

• Technical & Project Involvement:

  • Work closely with the project management team to ensure system designs align with customer specifications, industry standards, and project goals.
  • Participate in and lead design reviews, including Process Design Basis (PDB) meetings, PFD reviews, P&ID reviews, and Hazard and Operability Study (HAZOP) assessments.
  • Assist in the evaluation of technical offers for key equipment and provide insights into material selection and mechanical design decisions.

• Support in Fabrication & Testing:

  • Provide technical support to the shop during the fabrication phase to ensure systems are built according to design specifications and quality standards.
  • Participate in plant commissioning, system start-up, and performance testing to ensure successful project execution and operator training.
  • Troubleshoot and resolve any issues that arise during commissi