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Senior Design Engineer

Air Liquide USA LLC
paid holidays, sick time, tuition assistance, 401(k), retirement plan
United States, Arizona, Phoenix
Jan 22, 2026
R10081689 Senior Design Engineer (Open)

Location:

Phoenix, AZ - 51st Ave - Carrier gases - On-site - TSMC

Air Liquide Electronics innovative electronic materials respond to increasingly challenging customer demands for improved mobility, connectivity, computing power and energy consumption. We offer ultra pure carrier gases, a wide range of specialty gases and advanced precursor molecules, enabling equipment for safe distribution, purification and on-line purity control. On site, manufacturers rely on our expertise in providing full management of these gases, advanced molecules and equipment and in helping to continuously improve production processes.

How will you CONTRIBUTE and GROW? Air Liquide is Hiring for a Senior Design Engineer in Phoenix, AZ!

At Air Liquide, we are committed to building a diverse and inclusive workplace that embraces the unique perspectives of our employees, our customers, patients, community stakeholders, and cultures across the world. We believe that a variety of backgrounds makes our team stronger and more innovative.

We are looking for you!

  • Pay: $135,000.00 - $145,000.00

  • Comprehensive Family Benefits: Air Liquide offers a full benefits package designed to support your whole life, including Medical, Dental, Vision, Life, AD&D, and Disability Insurance.

  • Support for Parents: We offer a 14-week paid child birth benefit to support growing families.

  • Future Security: 401(k) Retirement Plan with company match

  • Additional Benefits: Tuition Assistance, Paid Holidays, Vacation, and Sick time.

  • Early Access: Your benefits start Day 1!

The Senior Design Engineer is a team member of the EG Design group and is responsible for the process design of industrial gas, specialty gas and chemical systems for Air Liquide customers in the Electronics industry. This position is responsible for design development and project technical support starting at the conceptual phase through project execution and has mastered the skills needed to apply RAGAGEP (Recognized and Generally Accepted Good Engineering Practices), national codes and internal IMS standards to the project design. This position is recognized as a Subject Matter Expert in one or more fields of expertise and contributes at a local or international entity level.

Responsibilities

  • Develop process design which complies with recognized codes, internal and external standards and good engineering practices

  • Develop scope of work for disciplines outside ALEUS area of expertise

  • Coordinate design deliverables from 3rd party engineering firms

  • Evaluate client's proposal request to identify project objectives and technical requirements; prepare design basis and design milestone schedule

  • Assist estimating and implementation staff by soliciting bids, performing technical bid analysis, developing bill of materials, and specifying components

  • Assist proposal development by addressing technical descriptions, scope definition and technical clarifications

  • Design and specify major equipment and associated utility systems

  • Perform equipment, piping, valves and component sizing and specification; prepare equipment data sheets

  • Direct drafting personnel for development of Process Flow Diagrams, plan drawings, routing and detail drawings and P&IDs

  • Lead design review meetings for process systems; track and close design review action items

  • Coordinate and participate in design reviews with 3rd party engineering firms

  • Actively participate in reviews for safety, operability and reliability

  • Assist project management during project execution: resolve discrepancies, changes or omissions in design and design documents

  • Track design modifications; issue Design Change Notice

  • Direct and review design documentation modifications; review field staff provided P&ID and plan drawing markups to reflect as-built status

  • Create and maintain project records including design calculations, drawings, equipment and component specifications, lessons learned, design review minutes, bid packages and administrative files

  • Develop startup, operation and maintenance procedures; review and ensure that operational concerns are addressed prior to commissioning so that the process / system can be operated safely and efficiently

  • Define required equipment inspections and verification methods

  • Evaluate value-engineering options to provide the lowest cost solution while maintaining project requirements; develop documents to compare and present value-engineered options to client and project staff; incorporate the pertinent changes in the project design

  • Develop design standards and specifications for recurring tasks to ensure reliability, consistency and improved design process efficiency

  • Contributes technically and shares knowledge at a local or international entity level

  • Perform functions of Design Authority in multiple fields of expertise; validate process designs; assist existing facilities with the Management of Change process

_____________________ Are you a MATCH?

Required Qualifications

  • BS Degree Chemical or Mechanical Engineering

  • 10+ years work experience in engineering process design, operations or project engineering in industrial gas, chemical or related industry

  • Strong technical knowledge of fluid flow; ability to perform complex calculations

  • Strong technical knowledge of carrier gas system function and ASU process

  • Strong knowledge of common industrial gas system piping and components

  • In-depth knowledge of industry codes such as NFPA, ASME standards, and internal IMS standards

  • Strong understanding and interpretation of project specific specifications, codes and standards

  • Ability to prepare, read, interpret and scale P&IDs, mechanical, electrical, civil and structural drawings

  • Consistent application of RAGAGEP

  • Strong problem solving skills

  • Strong verbal and written communication skills

  • Ability to organize and prioritize workload for multiple project assignments; set design milestone dates

  • Ability to plan work, both short and long term to ensure project deadlines are met

  • Proficient in utilization of MS Office products and/or Google Suite tools

  • Proficient in use of pipe flow and stress modeling programs (AFT Arrow and Fathom, CAEPIPE, Crane Flow of Fluids, CAESAR)

  • Familiarity with Autodesk AutoCAD software

  • Ability to evaluate options and recommend best solutions

  • Ability to delegate project specific tasks to junior team members

  • Ability to research and apply new technologies

Preferred Qualifications

  • PE license

Candidates must have valid employment authorization in the U.S. and must not require visa sponsorship now or in the future. This position is not open for non-immigrant visa sponsorship.

Our Differences make our Performance

At Air Liquide, we are committed to build a diverse and inclusive workplace that embraces the diversity of our employees, our customers, patients, community stakeholders and cultures across the world.

We welcome and consider applications from all qualified applicants, regardless of their background. We strongly believe a diverse organization opens up opportunities for people to express their talent, both individually and collectively and it helps foster our ability to innovate by living our fundamentals, acting for our success and creating an engaging environment in a changing world.

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