Role description

System-Level Engineering

Lead I - Engineering Design

UST is searching for a System-Level Engineering with strong fundamentals in fluid dynamics, thermodynamics, heat transfer, and gas flow systems.

The opportunity:
• Lead system-level design, analysis, and troubleshooting of etching and chemical/gas delivery systems across multiple business units
• Identify root causes of complex field issues such as flow instability, contamination, and pressure transients
• Drive system-level corrective actions and continuous improvement initiatives
• Develop and validate system-level models including analytical, CFD, and digital twin approaches to predict flow, thermal, and contamination behavior
• Define system architecture requirements and drive alignment across component suppliers and internal teams
• Define, coordinate, and execute system-level and component-level test plans on COE lab test stands
• Analyze test data and generate detailed engineering reports to support qualification, reliability, and supplier resolution
• Drive correlation between lab testing, simulation models, and field performance
• Design and modify mechanical layouts, gas panel schematics, and subsystem architectures for new and existing platforms
• Develop specifications for critical flow control components including MFCs, FRCs, MFVs, valves, and regulators
• Support design for reliability, manufacturability, and serviceability across chemical delivery subsystems
• Drive development and deployment of AI-based tools for troubleshooting, knowledge management, and component selection
• Partner with software and data teams to structure engineering knowledge for AI applications including knowledge agents and workflow automation
• Identify opportunities to leverage AI and digital twin technology to reduce field escalations and accelerate root-cause analysis
• Act as COE technical interface to Business Units, Systems COE, and suppliers
• Lead system-level engineering discussions and drive resolution of cross-functional issues
• Build consensus across stakeholders and align on roadmap priorities
• Define and manage mechanical and functional specifications for key suppliers
• Support supplier qualification, reliability activities, and change control processes including ECR, SPS, and SNF
• Evaluate new technologies and drive roadmap alignment for next-generation flow control solutions
• Coach colleagues with less experience and may lead small projects with manageable risks and resource requirements

This position description identifies the responsibilities and tasks typically associated with the performance of the position. Other relevant essential functions may be required.

What you need:
• Bachelor's degree in Mechanical Engineering or related field
• 5-7 years of experience in mechanical and system engineering development
• Proven experience with system-level problem solving beyond component-level design
• Hands-on experience with lab testing, data analysis, and engineering report generation
• Proficiency in CAD tools and engineering documentation including GD&T, drawings, and specifications
• Experience in semiconductor equipment, chemical delivery systems, or gas handling systems
• Knowledge of flow control devices including MFCs, FRCs, valves, regulators, and pressure/flow interactions
• Experience with system modeling tools such as CFD, MATLAB, Python, or equivalent
• Familiarity with AI/ML applications in engineering including data analysis, automation, and knowledge systems
• Experience working across cross-functional teams and multiple business units
• Exposure to digital twin, system simulation, or model-based engineering approaches
• Complex problem-solving skills with ability to take new perspectives on existing solutions
• Strong analytical capabilities and sound judgment based on multiple information sources
• Ability to explain difficult or sensitive information clearly and work to build consensus
• Leadership capabilities and resourcefulness in supporting colleagues with less experience
• Experience with design for reliability (DfR), manufacturability (DfM), and serviceability (DfS)

Compensation can differ depending on factors including but not limited to the specific office location, role, skill set, education, and level of experience. UST provides a reasonable range of compensation for roles that may be hired in various U.S. markets as set forth below.

Role Location: Texas

Compensation Range: $87,000-$131,000

Benefits

Full-time, regular employees accrue a minimum of 10 days of paid vacation per year, receive 6 days of paid sick leave each year (pro-rated for new hires throughout the year), 10 paid holidays, and are eligible for paid bereavement leave and jury duty. They are eligible to participate in the Company's 401(k) Retirement Plan with employer matching. They and their dependents residing in the US are eligible for medical, dental, and vision insurance, as well as the following Company-paid Employee Only benefits: basic life insurance, accidental death and disability insurance, and short- and long-term disability benefits. Regular employees may purchase additional voluntary short-term disability benefits, and participate in a Health Savings Account (HSA) as well as a Flexible Spending Account (FSA) for healthcare, dependent child care, and/or commuting expenses as allowable under IRS guidelines. Benefits offerings vary in Puerto Rico.

Part-time employees receive 6 days of paid sick leave each year (pro-rated for new hires throughout the year) and are eligible to participate in the Company's 401(k) Retirement Plan with employer matching.

Full-time temporary employees receive 6 days of paid sick leave each year (pro-rated for new hires throughout the year) and are eligible to participate in the Company's 401(k) program with employer matching. They and their dependents residing in the US are eligible for medical, dental, and vision insurance.

Part-time temporary employees receive 6 days of paid sick leave each year (pro-rated for new hires throughout the year).

All US employees who work in a state or locality with more generous paid sick leave benefits than specified here will receive the benefit of those sick leave laws.

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