Intermediate – Instrumentation Designer

Intermediate Instrumentation Designer TWD is an engineering, procurement, and construction management consulting company providing project development, execution and specialty engineering services for the oil and gas industry with expertise ranging from refinery, pipelines, renewables, food and beverage, power, downstream chemical processing, and much more. Our team is dedicated to providing clients with effective business and technical solutions through exceptional levels of service, innovation and flexibility.

TWD is currently seeking a Intermediate Instrumentation Designer in our Calgary, AB office.

As an Instrumentation Designer in our Calgary office, you will support the development and delivery of instrumentation and control system design documentation for projects within the energy and infrastructure sectors. You will work closely with instrumentation engineers, project managers, and multidisciplinary teams to develop accurate, practical, and coordinated design deliverables throughout the project lifecycle. This role requires strong instrumentation design skills, hands‑on experience with Hexagon Smart Plant Instrumentation (SPI), and an understanding of control system interfaces and project execution requirements.

• Develop and maintain instrumentation design drawings, layouts, details, schematics, and related project documentation.
• Prepare and revise instrument indexes, instrument data sheets, specifications, I/O lists, loop diagrams, hook-ups, installation details, and other instrumentation deliverables.
• Develop instrumentation layouts and installation details in accordance with project requirements, applicable codes, standards, and established design practices.
• Incorporate engineering calculations, design criteria, equipment information, and technical specifications into design documents.
• Review instrumentation drawings and documentation for accuracy, completeness, consistency, and constructability.
• Interpret P&IDs, process documentation, engineering specifications, vendor information, and field data.

• Develop, maintain, and manage instrumentation design data using Hexagon Smart Plant Instrumentation (SPI).
• Demonstrate strong working knowledge of SPI workflows, including instrument databases, specifications, indexes, wiring, loop documentation, and related project data.
• Support the development and coordination of instrumentation information for DCS, PLC, SIS, and other control systems.
• Coordinate instrument signals, I/O requirements, control system interfaces, and related design information.
• Review control system and vendor documentation for consistency with instrumentation design requirements.
• Support updates to instrumentation databases and design documentation throughout the project lifecycle.

• Coordinate instrumentation design with process, electrical, mechanical, piping, civil, structural, and other project disciplines.
• Participate in interdisciplinary design reviews and coordination meetings.
• Identify and resolve design conflicts and interface issues.
• Coordinate instrument locations, cable routing, junction boxes, tubing, wiring, and other installation interfaces as required.
• Incorporate comments from engineers, project managers, clients, vendors, contractors, and other stakeholders.

• Support instrumentation engineering teams throughout project design and delivery.
• Assist with preparation of design packages, material take-offs, technical documentation, and other project deliverables.
• Review vendor drawings, equipment documentation, and contractor submittals for consistency with design requirements.
• Support field…