Senior I&C CAD Designer: 2D/3D Instrumentation Modeling

GAS GLOBAL SERVICES; Houston (TX); On-site; USD 90,000 - 130,000; Full time

Job summary

GAS Energy Staffing LLC in Houston, TX seeks a Senior I&C CAD Designer to develop 2D drawings and 3D instrumentation models for oil, gas, refining and chemical projects. The role emphasizes CAD production, accuracy, model coordination, and schedule performance with limited instrumentation design support.

The candidate will coordinate with piping, mechanical, structural and electrical teams, ensure CAD standards, and support remote design tasks. Direct hire role based in Houston.

Qualifications

• Associate degree in CAD, drafting, engineering technology or equivalent industrial experience.

Responsibilities

• Develop and revise I&C drawings using AutoCAD.
• Prepare instrument location plans, loop diagrams, wiring diagrams, and installation details.
• Create junction box termination drawings, control panel layouts, and cable schedules.
• Develop 3D models of instruments, supports, junction boxes, panels, and installation components.
• Interpret P&IDs, engineering sketches, redlines, and vendor documentation.
• Coordinate 3D models with piping, mechanical, structural, and electrical teams.
• Identify drawing discrepancies and resolve coordination issues.
• Maintain CAD standards, drawing numbering, and revision control.
• Verify instrument tags, terminal designations, cable references, and drawing consistency.
• Support remote design teams, field surveys, and as-built documentation.
• Complete CAD assignments within project schedules and budgets.

Skills

Industrial I&C CAD

P&ID interpretation

ISA conventions

Coordination with teams

AutoCAD expertise

Education

Associate degree in CAD, drafting, engineering technology

Tools

AutoCAD 2D

AutoCAD 3D

Job description

GAS Energy Staffing LLC in Houston, TX seeks a Senior I&C CAD Designer to develop 2D drawings and 3D instrumentation models for oil, gas, refining and chemical projects. The role emphasizes CAD production, accuracy, model coordination, and schedule performance with limited instrumentation design support.

The candidate will coordinate with piping, mechanical, structural and electrical teams, ensure CAD standards, and support remote design tasks. Direct hire role based in Houston.