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CAD Designer - Part Time

Date Posted: May 28, 2026
Yearly: USD - USD
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Job Detail

  • location_on
    Location Galveston, Texas, United States of America
  • desktop_windows
    Job Type: Permanent
  • schedule
    Shift:
  • analytics
    Career Level:
  • group
    Positions:
  • calendar_view_day
    Experience:
  • male
    Gender: No Preference
  • school
    Degree:
  • calendar_month
    Apply Before: Jun 29, 2026
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Job Description

Overview

On Grid Infrastructure Services is looking for a detail-oriented part-time CAD Designer to support engineering and operations projects in the refining, petrochemical, and terminal operations industries. This role primarily involves drafting and updating design documents, focusing on brownfield modifications and improvements, with a preference for candidates experienced in crude distillation units and associated process systems.

Key responsibilities

  • Develop, revise, and maintain CAD drawings for refinery, petrochemical, and terminal facilities
  • Update and manage Piping & Instrumentation Diagrams (P&IDs) and other drawing types
  • 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 skills

  • 3+ years of CAD drafting/design experience in refining, petrochemical, midstream terminal operations, or industrial proc
  • Proficiency with AutoCAD
  • Strong understanding of refinery/process facility documentation and terminology
  • Experience interpreting P&IDs and piping layouts
  • Familiarity with crude distillation units and related systems
  • Ability to work independently with minimal supervision
  • Strong attention to detail and organizational skills
  • Experience with AutoCAD Plant 3D or CADWorx preferred
  • Knowledge of API, ASME, and OSHA standards applicable to refining facilities preferred
  • Field verification and walk-down experience preferred
  • TWIC card or ability to obtain one preferred

What the company offers

  • 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

Skills Required

Company Overview

On Grid Infrastructure Services
Pecos, Texas, United States of America
3 Current Jobs Openings

On Grid Infrastructure Services specializes in engineering and operations projects within the refining, petrochemical, and terminal operations industries. They focus on providing support for brownfield facility modifications and operational improveme... Read More

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