Senior Instrumentation and Controls Senior CAD Designer

Job Description

WSP is seeking an energetic and responsive Senior Instrumentation and Controls CAD Designer for our multidisciplinary Process Infrastructure and Design team. This is a full‑time opportunity and the selected candidate can be based in the following locations:
Phoenix, AZ;
Salt Lake City, UT;
Houston, TX;
Denver, CO; and Seattle, WA. The team you will join offers diverse global clients and projects in environmental infrastructure, including industrial facilities, water and wastewater, oil & gas, pipelines, and mining and metals (surface and underground) infrastructure.

Preferred location:
Phoenix, AZ office. Candidates in Salt Lake City, UT;
Houston, TX;
Denver, CO; and Seattle, WA are also encouraged to apply.

• Effectively execute instrumentation and controls engineering designs from concept to completion with independence and minimal oversight.
• Develop detailed instrumentation deliverables, including instrument loop diagrams, IO schematics, instrument location plans, instrument installation details, cable schedules, cable routing, and tray layouts.
• Understand and implement PLC, DCS, control systems, SCADA, ethernet, serial, Modbus, and fiber optic communications.
• Develop panel layouts, general arrangement drawings, internal panel layouts, wiring diagrams, and interconnection diagrams for brands such as Allen Bradley, Siemens, and Schneider.
• Translate PFDs and P&IDs into detailed design packages, ensuring alignment with process requirements and project scope.
• Effectively convey I&C, electrical, mechanical, civil, and structural requirements to the team through traditional 2D and 3D models/deliverables.
• Develop coordinated 2D and 3D designs aligned with BIM standards; primary software includes AutoCAD, with Navisworks and Revit for 3D modeling and coordination.
• Be responsible for instrumentation and controls design work related to quantity estimation, including direct quantity (MTO) take‑off from 3D models, 2D drawings, sketches, and historical data.
• Work cross‑functionally with electrical designers, mechanical/process teams and participate in design reviews, interdisciplinary coordination, and constructability reviews.
• Be able to work under and meet tight deadlines.
• Recognize when technical problems develop and initiate appropriate corrective actions.
• Support lead engineers during the design phase, including standards review, collection of calculation inputs, permitting requirements, and other engineering support activities.
• Promote engineering professionalism and maintain positive relationships internally and externally.
• Provide guidance and training to entry‑level drafting and design support staff.
• Remain current in latest drafting and design support knowledge, techniques, and practices.
• Exercise responsible and ethical decision‑making regarding company funds, resources, and conduct, adhering to WSP’s Code of Conduct and related policies and procedures.
• Perform additional responsibilities as required by business needs.

• Technical degree, diploma, certificate or equivalent in a related field; or equivalent combination of education and experience.
• 10+ years of relevant experience supporting EPC or large multi‑discipline infrastructure projects.
• Proficiency in 2D/3D AutoCAD, Navisworks, and Revit.
• Strong proficiency in Revit, Navisworks, Bluebeam, and/or Plant3D.
• Expertise in design and 3D modeling for water/industrial/mining plant layouts, wiring and other I&C design and details.
• Proficiency in P&t using AutoCAD and/or Plant 3D, identifying instrument types/applications and implementing ISA symbology.
• Design‑level understanding of PLC, remote I/O, and SCADA/HMI systems and control system architecture.
• Ability to make technical computations and calculations involving geometry and mathematical concepts, understanding plans and specifications, and making factual comparisons to appropriate standards or regulations.
• Analytical mindset with sound judgement in evaluating situations and making decisions.
• Competent interpersonal and communication skills when interacting with others, expressing ideas effectively and professionally to technical and non‑technical…