Senior Electrical​/I&C Designer​/Drafter

Tetra Tech is adding a Senior EI&C Designer/Drafter to our Electrical, Instrumentation & Control team based in Calgary, AB
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At Tetra Tech, we are Leading with Science™ to solve the world’s most complex challenges. Our industry‑leading experts in engineering and consulting are committed to driving positive change in communities around the world. For over 50 years, we have been at the forefront of innovation and sustainability. Today we stand as a market leader, offering cutting‑edge solutions in water, environment, energy, and international development.

Our work has improved more than 625 million lives around the world.

Our office specializes in small to mid‑sized projects for clients across Canada. The types of clients we work for include:

• Heavy Industrial Facilities
• Pipelines and Refineries
• Mining and Mineral Processing
• Water Treatment

Join Tetra Tech to make a real difference. Our work leverages cutting‑edge technologies, advanced analytics, and the expertise of world‑class scientists and engineers to create meaningful change around the world. Discover your full potential – join us to advance your career while leaving a lasting legacy.

• Prepare both rough sketches and detailed work using computerized drafting tools:
  AutoCAD or Micro Station. Exercise initiative in completing recurring assignments independently and applying judgement in determining which of many methods are applicable.
• Perform design and technical calculations, material lists, construction details, drawings and diagrams related to the project requirements alongside the engineering team.
• Develop and prepare standardized drawings and symbols for the company database.
• Design and draft PLC panels, JB drawings, Loop drawings, Control architecture drawings, Building layouts and more.
• Review third‑party drawings such as civil, architectural, landscape, and utilities for conflicts and information as required by the project.
• 3D modelling for lighting, panels and cable tray would be an asset.
• Ensure final designs comply with clients and/or company quality standards.
• Conduct activities in line with internal procedures, legislation, and industry standards.
• Pursue continuous professional development and maintain a high degree of discipline knowledge and awareness.
• Work in a safe manner at all times and report all health and safety incidents and concerns.
• Additional duties as required.

• Diploma or Certificate in Electrical Engineering Technology or a related field an asset.
• Minimum 10 years of experience.
• Experience in an engineering consulting firm considered an asset.
• Must be proficient in AutoCAD and/or Microstation.
• Working experience in 3D design software would be considered an asset.
• Knowledge and working experience related to Canadian Safety Code.
• Computer knowledge in MS Office Suite.
• Ability to work in a team environment and meet deadlines.
• Effective problem‑solving skills.
• Ability to work efficiently and effectively when managing multiple tasks.

The perks of working at Tetra Tech include:

• Comprehensive and market‑competitive benefits, available on day one of employment.
• We have embraced a hybrid culture. Work remote and at our great office location, right in the heart of downtown Calgary.
• Flexibility and company‑wide commitment to work/life balance.
• Collaborative team atmosphere that values the contributions of all employees.
• Learning and development opportunities for ongoing professional growth.

Tetra Tech combines the resources of a global, multibillion‑dollar company with local, client‑focused delivery in 550 locations around the world. Our reputation rests on the technical expertise and talent of more than 30,000 employees who are working together to provide smart, scalable solutions for challenging projects.

Explore our open positions at  Follow us on social media to learn more about our people, culture, and opportunities: