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Instrumentation & Control (I&C) Systems Engineer

📍 Calgary, Canada

Construction Hazen and Sawyer

Job Description

WaterSMART Solutions | A Hazen Company is seeking an Instrumentation & Control Systems Engineer to join our Calgary, Alberta office. This role will serve as a Discipline Lead on water and wastewater projects across Canada and the United States, providing technical leadership and project delivery support. The successful candidate will work independently on projects, be a part of multidisciplinary teams, and act as a trusted technical advisor to clients. This position offers the opportunity to support I&C standards, project delivery approaches, and the evolution of OT and automation systems across the firm.

WaterSMART Solutions was founded in Calgary, Alberta in 2006 and was acquired by Hazen in late 2024. Hazen was founded in 1951 by the son of Allen Hazen (developer of the Hazen-Williams equation). We currently have over 2,000 employees in 70+ offices throughout the United States, Canada, the UK and Latin America.

Our work includes collaborative water management consulting and the planning, design, and construction of environmental infrastructure – for water, wastewater, and stormwater management.

We provide competitive compensation and benefits packages and a flexible, hybrid work environment that supports work-life balance.

We recruit talented professionals, provide them with challenging, interesting, and creative assignments, and furnish them with the tools they need to succeed.

This is your opportunity to be part of our growing team of talented, motivated professionals

Key Responsibilities Technical Leadership & Design

Serve as Lead for I&C systems on medium to large, complex water and wastewater projects

Evaluate, select, specify, and engineer I&C systems including PLC, SCADA, DCS, networking, data acquisition, trending, and alarm management systems

Develop I&C designs using sketches, P&IDs, control narratives, architecture diagrams, schematics, and installation details

Prepare technical memoranda, reports, studies, specifications, drawings, and construction documents

Develop process control descriptions for use by system integrators

Prepare and review cost estimates and participate in value analysis

Project & Client Management

Lead project coordination meetings with internal teams, external consultants, contractors, vendors, and owners

Participate in client requirement meetings and provide technical guidance throughout project execution

Develop and manage project scope, budget, staffing, schedules, and design approach

Oversee and manage multiple projects concurrently

Conduct constructability reviews and quality assurance/quality control reviews on own and peer projects

Review and approve contractor submittals and documentation

Perform field reviews during construction and prepare construction review documentation

Participate in factory acceptance testing (FAT), site acceptance testing (SAT), startup, and commissioning activities, providing direction to commissioning team

Business Development

Contribute I&C scopes, control narratives, and cost estimates for water and wastewater proposal

Translate utility operational needs into practical SCADA, PLC, and instrumentation solutions

Support client meetings and site assessments to identify control system modernization opportunities

Develop proposal and marketing content highlighting automation strategy and lifecycle value

Required Qualifications

Bachelor of Science in Electrical, Mechanical, or Chemical Engineering (Master’s degree preferred)

Approximately 7-10 years of experience in Instrumentation & Controls design for water and wastewater facilities

Professional Engineer (PE or P.Eng.) license, or ability to obtain reciprocity within a defined timeframe

Strong working knowledge of applicable codes and standards (NEC, NFPA, and related standards)

Experience developing P&IDs, specifications, control system architectures, and construction documents

Ability to convey I&C requirements clearly to project managers, clients, and multidisciplinary teams

Strong verbal, written, and interpersonal communication skills

Ability to work on multiple projects simultaneously

Proficiency with AutoCAD or AutoCAD Plant 3D (or willingness to learn)

Experience with PLC, SCADA, DCS and HMI configuration or programming preferred

What We Offer

Competitive compensation based on experience, education, and geographic location

Employer-matched retirement savings program

Vacation time commensurate with industry experience

Professional development support, including training, tuition reimbursement, and incentives for professional registration

Flexible hybrid work environment that supports work–life balance

Please apply with a cover letter and resume.

While we appreciate the interest of all applicants, we will only be responding to those candidates selected for an interview.

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Job Details

Posted Date: February 27, 2026
Job Type: Construction
Location: Calgary, Canada
Company: Hazen and Sawyer

Ready to Apply?

Don't miss this opportunity! Apply now and join our team.