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Actalent

Mechanical Project Engineer

Oakville, ON, Canada

$60 to $70 CAD / hour · Contract

Apply About employer

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Job details

Pay: $60 to $70 CAD / hour
Job type: Contract
Apply by: Dec 6, 2026
Experience: 5+ years of design experience as a Project Engineer in water treatment or wastewater treatment projects, working on the front end of projects.
Posting language: English · French
Posted: Nov 6, 2026

Original job description

English section of this bilingual listing.

Our client, an environmental and industrial services company, is looking to hire a Mechanical Project Engineer.

Responsibilities

Perform mechanical related design of water and wastewater treatment systems, ensuring design quality, while meeting project schedule, budget, and customers expectations.
Perform required calculations needed for sizing, generate technical specifications and perform technical bid evaluations for the fabrication/procurement of various mechanical equipment including (but not limited to) pumps, blowers, compressors, chemical feed systems, vessels/tanks, filters, piping systems, and valves.
Engineer systems in compliance with engineering principles, customer standards and specifications, contractual requirements, and local applicable codes.
Ensure that all engineering designs, bills of material and technical data are completely and accurately documented by reviewing associated engineering drawings and related documents.
Coordinate activities concerned with process and mechanical design reviews as well as project issue (scheduling and technical) resolution related to design, construction and start-up.
Meet Quality Management System (QMS) requirements for project execution and documentation.
Interface with project manager and customer on project and problem resolution.
Organize project documentation, maintain accurate records, and manage vendor communication and coordination.
Read and interpret P&IDs and PFDs, including material balances, to support system design and equipment specification.
Perform hydraulic design, including head and NPSH calculations, for sizing pumps and other rotating equipment.
Contribute effectively to team and department projects through clear communication and collaboration with other engineers and drafting resources.
Establish and maintain positive working relationships with co-workers and cross-functional project team members.
Support large, million-dollar water management projects by providing timely engineering deliverables to avoid project delays and protect organizational reputation.

Qualifications

Bachelor of Science degree in Mechanical Engineering or Chemical Engineering.
5+ years of design experience as a Project Engineer in water treatment or wastewater treatment projects, working on the front end of projects.
Ability to read and interpret P&IDs and PFDs, including material balances.
Ability to perform hydraulic design and calculations for sizing pumps, compressors, valves, and tanks.
Experience with the specification and evaluation of rotating equipment, piping, tanks and manual valves.
Mechanical aptitude, attention to detail and a basic understanding of water chemistry.
Proficiency in equipment sizing and mechanical calculations for treatment systems.
Documentation skills, including the ability to ensure complete and accurate engineering drawings, bills of material, and technical data.
Effective verbal and written communication skills for interaction with project managers, customers, vendors, and internal teams.

Work Environment

The role is primarily office-based, with approximately 90% of time spent in the office and up to 5% travel throughout North America as needed for project requirements. Core working hours are typically between 8:00 a.m. and 4:00 p.m., with occasional additional hours when timelines are tight. The facility is modern, well-lit, and includes amenities such as a cafeteria and a fitness centre, contributing to a comfortable and attractive work setting. The culture emphasizes strong collaboration, professional growth, and a supportive environment, although the pace can be demanding when project deadlines are approaching, which may create periods of stress. Business casual attire is expected, including a collared shirt or golf polo and dress pants. The Mechanical Project Engineer works closely with other Project Engineers, Mechanical Engineers, and a drafting team based in India, leveraging cross-functional collaboration to deliver high-quality projects. Work-from-home options are available, providing flexibility while maintaining engagement with the broader project team.

Job Type & Location

This is a Contract position based out of Oakville, ON.

Pay And Benefits

The pay range for this position is $60.00 - $70.00/hr.

Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.

Job Type & Location

This is a Contract position based out of Oakville, ON.

Workplace Type

This is a hybrid position in Oakville,ON.

À propos d'Actalent

About Actalent

Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 20,000 consultants and 5,000 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500. We are proud to be an Engineering News-Record (ENR) Top 500 Design Firm for our engineering design services and a ClearlyRated Best of Staffing® winner for both client and talent service.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email actalentaccommodation@actalentservices.com for other accommodation options.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Use of Artificial Intelligence (AI):We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.

Read the full bilingual original

Our client, an environmental and industrial services company, is looking to hire a Mechanical Project Engineer.

Responsibilities

Perform mechanical related design of water and wastewater treatment systems, ensuring design quality, while meeting project schedule, budget, and customers expectations.
Perform required calculations needed for sizing, generate technical specifications and perform technical bid evaluations for the fabrication/procurement of various mechanical equipment including (but not limited to) pumps, blowers, compressors, chemical feed systems, vessels/tanks, filters, piping systems, and valves.
Engineer systems in compliance with engineering principles, customer standards and specifications, contractual requirements, and local applicable codes.
Ensure that all engineering designs, bills of material and technical data are completely and accurately documented by reviewing associated engineering drawings and related documents.
Coordinate activities concerned with process and mechanical design reviews as well as project issue (scheduling and technical) resolution related to design, construction and start-up.
Meet Quality Management System (QMS) requirements for project execution and documentation.
Interface with project manager and customer on project and problem resolution.
Organize project documentation, maintain accurate records, and manage vendor communication and coordination.
Read and interpret P&IDs and PFDs, including material balances, to support system design and equipment specification.
Perform hydraulic design, including head and NPSH calculations, for sizing pumps and other rotating equipment.
Contribute effectively to team and department projects through clear communication and collaboration with other engineers and drafting resources.
Establish and maintain positive working relationships with co-workers and cross-functional project team members.
Support large, million-dollar water management projects by providing timely engineering deliverables to avoid project delays and protect organizational reputation.

Qualifications

Bachelor of Science degree in Mechanical Engineering or Chemical Engineering.
5+ years of design experience as a Project Engineer in water treatment or wastewater treatment projects, working on the front end of projects.
Ability to read and interpret P&IDs and PFDs, including material balances.
Ability to perform hydraulic design and calculations for sizing pumps, compressors, valves, and tanks.
Experience with the specification and evaluation of rotating equipment, piping, tanks and manual valves.
Mechanical aptitude, attention to detail and a basic understanding of water chemistry.
Proficiency in equipment sizing and mechanical calculations for treatment systems.
Documentation skills, including the ability to ensure complete and accurate engineering drawings, bills of material, and technical data.
Effective verbal and written communication skills for interaction with project managers, customers, vendors, and internal teams.

Additional Skills & Qualifications

Responsible for the detailed mechanical engineering scope of industrial and municipal water and wastewater systems as well as biological sludge incineration and digestion. The Project Engineer (PE) develops key documents and generates technical RFQ packages and technical bid evaluations for rotating equipment, vessels, valves and other mechanical equipment. The PE works with a cross-functional engineering and broader project team to deliver to our customers.

Work Environment

The role is primarily office-based, with approximately 90% of time spent in the office and up to 5% travel throughout North America as needed for project requirements. Core working hours are typically between 8:00 a.m. and 4:00 p.m., with occasional additional hours when timelines are tight. The facility is modern, well-lit, and includes amenities such as a cafeteria and a fitness centre, contributing to a comfortable and attractive work setting. The culture emphasizes strong collaboration, professional growth, and a supportive environment, although the pace can be demanding when project deadlines are approaching, which may create periods of stress. Business casual attire is expected, including a collared shirt or golf polo and dress pants. The Mechanical Project Engineer works closely with other Project Engineers, Mechanical Engineers, and a drafting team based in India, leveraging cross-functional collaboration to deliver high-quality projects. Work-from-home options are available, providing flexibility while maintaining engagement with the broader project team.

Job Type & Location

This is a Contract position based out of Oakville, ON.

Pay And Benefits

The pay range for this position is $60.00 - $70.00/hr.

Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.

Job Type & Location

This is a Contract position based out of Oakville, ON.

Workplace Type

This is a hybrid position in Oakville,ON.

À propos d'Actalent

Actalent est un leader mondial dans les services dingénierie et de sciences ainsi que dans les solutions de talents. Nous aidons des entreprises visionnaires à faire progresser leurs initiatives dingénierie et de science grâce à laccès à des experts spécialisés qui favorisent léchelle, linnovation et la rapidité de mise sur le marché. Avec un réseau de près de 20 000 consultants et 5 000 clients à travers les États-Unis, le Canada, lAsie et lEurope, Actalent dessert de nombreuses entreprises du Fortune 500. Nous sommes fiers dêtre lune des 500 meilleures firmes de conception de lEngineering News-Record (ENR) pour nos services de conception en ingénierie et un lauréat du prix ClearlyRated Best of Staffing® tant pour le service client que pour les talents.

Actalent est un employeur souscrivant au principe de légalité des chances et accepte toutes les candidatures sans tenir compte de la race, du sexe, de lâge, de la couleur, de la religion, des origines nationales, du statut dancien combattant, dun handicap, de lorientation sexuelle, de lidentité sexuelle, des renseignements génétiques ou de toute autre caractéristique protégée par la loi.

Si vous souhaitez faire une demande daccommodement raisonnable, tel que la modification ou lajustement du processus de demande demploi ou dentrevue à cause dun handicap, veuillez envoyer un courriel à actalentaccommodation@actalentservices.com pour connaître dautres options daccommodement.

Ordonnance sur légalité des chances de San Francisco: Conformément à lOrdonnance sur légalité des chances de San Francisco, pour tous les postes situés dans la ville et le comté de San Francisco, nous examinerons les candidatures des personnes qualifiées ayant un casier judiciaire ou des antécédents criminels.

Utilisation de lintelligence artificielle (IA): Nous pouvons utiliser lintelligence artificielle (IA) pour soutenir certaines étapes de notre processus dembauche, notamment la recherche, la présélection et lévaluation des candidatures. LIA aide à analyser les candidatures et les qualifications, mais les décisions finales sont prises par notre équipe de recrutement. En soumettant votre candidature, vous reconnaissez et acceptez que celle-ci puisse être examinée à laide doutils dIA.

About Actalent

Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 20,000 consultants and 5,000 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500. We are proud to be an Engineering News-Record (ENR) Top 500 Design Firm for our engineering design services and a ClearlyRated Best of Staffing® winner for both client and talent service.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email actalentaccommodation@actalentservices.com for other accommodation options.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Use of Artificial Intelligence (AI):We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.

Apply About employer

More about this job

Responsibilities

Design mechanical systems for water and wastewater treatment projects, including equipment sizing, hydraulic calculations, technical specifications, and bid evaluations. Coordinate design reviews, documentation, vendors, and project teams to deliver compliant engineering work on schedule and within budget.

Requirements

Requires a bachelor's degree in Mechanical Engineering or Chemical Engineering and at least five years of project engineering design experience in water or wastewater treatment. Candidates should be able to interpret P&IDs and PFDs, perform hydraulic and equipment sizing calculations, specify mechanical equipment, and communicate effectively with project teams, customers, and vendors.

Skills

Mechanical Engineering
Water Treatment System Design
Wastewater Treatment System Design
Hydraulic Design
Pump Sizing
NPSH Calculations
Equipment Specification
Technical Bid Evaluation
P&ID Interpretation
PFD Interpretation
Mechanical Calculations
Rotating Equipment
Piping Systems
Project Documentation
Vendor Coordination
Cross-Functional Collaboration

Visa sponsorship

Not detected in the job text

Keywords

Water Treatment
Wastewater Treatment
Mechanical Engineering
Chemical Engineering
Industrial Water Systems
Municipal Water Systems
Biological Sludge Incineration
Digestion
P&IDs
PFDs
Material Balances
Hydraulic Design
Head Calculations
NPSH Calculations
Pumps
Blowers
Compressors
Chemical Feed Systems
Vessels
Tanks
Filters
Piping Systems
Valves
Rotating Equipment
Technical Specifications
Technical RFQ Packages
Technical Bid Evaluations
Bills Of Material
Quality Management System
Local Codes

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