Location: Galveston, TX
Industry: Refining / Petrochemical / Terminal Operations
Employment Type: Contract / Part-Time
Experience Level: Mid-Level Preferred
Position Summary
On Grid Infrastructure Services is seeking a detail-oriented and experienced CAD Designer to support engineering and operations projects within the refining, petrochemical, and terminal operations industries, with a preference for candidates experienced in crude distillation units (CDUs) and associated process systems. This part-time role will support drafting, design updates, as-built documentation, and project deliverables for brownfield facility modifications and operational improvement projects.
The ideal candidate will have hands-on experience working with refinery or terminal facility drawings, including P&IDs, plot plans, equipment layouts, piping isometrics, and electrical/instrumentation drawings.
Key Responsibilities
- Develop, revise, and maintain CAD drawings for refinery, petrochemical, and terminal facilities
- Update and manage:
- Piping & Instrumentation Diagrams (P&IDs)
- General arrangement drawings
- Equipment layouts
- Plot plans
- Isometric drawings
- Structural and support drawings
- Incorporate field redlines and produce accurate as-built documentation
- Coordinate with engineers, operations personnel, maintenance teams, and contractors
- Support Management of Change (MOC) documentation updates
- Assist with design packages for small capital and maintenance projects
- Ensure drawings comply with company drafting standards and applicable industry codes
- Participate in occasional field walk-downs in operating industrial facilities
Required Qualifications
- 3+ years of CAD drafting/design experience in:
- Refining
- Petrochemical
- Midstream terminal operations
- Industrial process facilities
- Proficiency with AutoCAD required
- Strong understanding of refinery/process facility documentation and terminology
- Experience interpreting P&IDs and piping layouts
- Familiarity with crude distillation units and related systems preferred
- Ability to work independently with minimal supervision
- Strong attention to detail and organizational skills
Preferred Qualifications
- Experience with AutoCAD Plant 3D or CADWorx
- Knowledge of API, ASME, and OSHA standards applicable to refining facilities
- Prior experience supporting brownfield or operating facilities
- Field verification and walk-down experience
- TWIC card or ability to obtain one preferred
Work Schedule & Environment
- Part-time schedule with flexible hours based on project workload
- Onsite work is required
- Candidates local to the Galveston/Houston Gulf Coast region strongly preferred
Compensation
Compensation will be based on experience, qualifications, and availability.