AutoCAD Plant 3D Plugin Developer

AutoCAD Plant 3D Plugin Developer

Experience: 35 Years
Location: PCMC, Pune
Apply: [email protected]

About the Role
We are looking for an experienced AutoCAD Plant 3D professional who combines hands-on plant design experience with the ability to extend and automate the platform through custom plugins. You will have worked with OEMs as well as EPC, consulting, or end-user environments, and understand how Plant 3D is used across the full project lifecycle from P&ID and 3D modeling through isometrics, orthographics, and deliverable extraction. The role is roughly half design/modeling and standards ownership, half development of tools that make the team faster and more consistent.

Key Responsibilities

Plant 3D Design & Engineering

• Develop and maintain 3D piping, equipment, and structural models in AutoCAD Plant 3D for OEM skids, packaged units, and larger plant layouts.
• Create and manage P&IDs in AutoCAD P&ID with correct tagging, line lists, and data consistency with the 3D model.
• Generate piping isometrics, orthographic/GA drawings, BOMs, and MTOs.
• Build and maintain piping specs, catalogs, and custom components (pipe, fittings, valves, instruments, supports) per ASME, DIN, ISO, or client standards.
• Configure project setup: templates, title blocks, layer standards, reports, and data exports.
• Perform clash detection and model reviews; coordinate with process, mechanical, structural, and instrumentation teams.
• Support SQLite and SQL Server project databases, including collaboration via Autodesk Vault or ACC where used.

Plugin & Automation Development

• Design, build, and maintain custom plugins for AutoCAD Plant 3D using the Plant 3D .NET API (PnPCommon, PnP3dObjects, PnIdObjects, Plant Project API) and the AutoCAD ObjectARX / .NET API.
• Automate repetitive workflows such as tag generation, data validation, bulk property updates, report generation, spec/catalog creation, and drawing publishing.
• Integrate Plant 3D data with external systems (ERP, PLM, Excel, SQL databases, document management).
• Write scripts and utilities in C#, VB.NET, AutoLISP, or Python as appropriate.
• Maintain source control, release versions, and documentation for internal tools.
• Troubleshoot API behavior across Plant 3D versions and manage upgrades/migrations.

Standards, Quality & Support

• Own and enforce Plant 3D project standards and best practices across the team.
• Train and mentor designers on Plant 3D workflows and internal tools.
• Act as technical point of contact for Plant 3D issues, performance tuning, and database health.

Required Qualifications

• Diploma / Bachelor's degree in Mechanical, Chemical, Piping, or a related engineering discipline.
• 35 years of hands-on experience with AutoCAD Plant 3D and AutoCAD P&ID, including at least one OEM project (skid-mounted systems, packaged equipment, process modules) and exposure to EPC, consultancy, or plant-owner environments.
• Proven experience developing plugins/add-ins for AutoCAD Plant 3D using the .NET API (C# preferred).
• Strong knowledge of the AutoCAD .NET API / ObjectARX and the Plant 3D data model (project database structure, PnPDatabase, PnPRow, PnPTable).
• Experience creating and modifying specs and catalogs using Spec Editor and Catalog Builder.
• Solid understanding of piping fundamentals: P&ID interpretation, routing, supports, valves, isometric conventions, and codes such as ASME B31.3 / B31.1.
• Familiarity with SQL (SQLite / SQL Server) for querying and maintaining Plant 3D project data.
• Proficiency with Visual Studio, Git, and general software development practices.

Preferred

• Autodesk Vault, BIM 360 / ACC, or Navisworks for coordination and review.
• Plant 3D Collaboration (cloud projects) and Autodesk Platform Services (APS) APIs.
• Exposure to other plant design tools (AVEVA E3D, SmartPlant 3D, CADWorx, OpenPlant) or Inventor/Revit interoperability.
• WPF / WinForms UI development for plugin dialogs.
• Autodesk Certified Professional credential in AutoCAD or Plant 3D.
• Experience across oil & gas, chemicals, pharma, water treatment, power, or food & beverage.

Soft Skills

• Problem-solving mindset — able to turn a designer's pain point into a working tool.
• Clear written and verbal communication; comfortable documenting and presenting work.
• Self-driven, able to balance project deadlines with tool development.
• Collaborative with engineers, designers, and IT.

How to Apply
Send your CV with a brief description of Plant 3D projects you have worked on and any plugins or tools you have developed (screenshots, short videos, or code samples welcome)