Mechanical Engineer

Marmon Industrial Water Limited

As a part of the global industrial organization Marmon Holdings—which is backed by Berkshire Hathaway—you’ll be doing things that matter, leading at every level, and winning a better way. We’re committed to making a positive impact on the world, providing you with diverse learning and working opportunities, and fostering a culture where everyone’s empowered to be their best.

Marmon Industrial Water designs and manufactures advanced water and wastewater treatment solutions through our trusted brands, Graver Water Systems and Ecodyne. Our technologies serve some of the world’s most demanding industries — petrochemical, chemical, power generation, and heavy industrial plants. From raw water pretreatment and ion exchange to wastewater treatment, cooling, and oil/water separation, our systems play a critical role in keeping essential industries running efficiently and sustainably.

The Opportunity

We are seeking a Mechanical Engineer for our Burlington, ON office. In this role, you will support the design, analysis, and development of water and wastewater treatment systems and equipment. You will work closely with senior engineers, designers, and cross-functional teams to deliver high-quality solutions that meet client specifications, industry standards, and project schedules. This role offers opportunities for technical growth, greater project responsibility, and professional development within a collaborative team environment.

Responsibilities

• Support and lead the mechanical design of pressure vessels, piping systems, skids, and packaged equipment for industrial water treatment applications.
• Review and check detailed drawings, general arrangements, P&IDs, fabrication details, and BOMs.
• Select and specify equipment such as pumps, valves, and mechanical components to meet project and process requirements.
• Enter and manage engineering data, parts, and BOMs within the company’s ERP system to support manufacturing and supply chain activities.
• Ensure designs comply with ASME, ANSI, and other relevant codes and standards.
• Perform and review engineering calculations to support designs.
• Collaborate with project managers, electrical engineers, and process engineers to ensure integrated system designs.
• Review vendor drawings and technical documentation to ensure alignment with project requirements.
• Support manufacturing and field service teams during fabrication, assembly, testing, and commissioning.
• Participate in design reviews, risk assessments, and continuous improvement initiatives.
• Engage with clients and stakeholders to clarify requirements, resolve technical issues, and support project execution.

Qualifications

• Bachelor’s degree in mechanical engineering or related field.
• 4+ years of relevant engineering experience.
• Licensed as a Professional Engineer.
• Strong technical knowledge of mechanical engineering principles, industrial water treatment equipment, and applicable codes and standards, including ASME, AWWA, and API.
• Proficiency with design tools and software such as AutoCAD, SolidWorks, and/or PDMS.
• Excellent communication skills, capable of presenting technical information to both internal and external stakeholders clearly and concisely.
• Collaborative team player who works effectively in cross-functional environments.
• Well-developed problem-solving, critical thinking, and time management skills, with strong mechanical aptitude and attention to detail.
• Continuous learning mindset and adaptability to new tools, standards, and engineering practices.
• Able to work independently with minimal supervision.
• Working knowledge of COMPRESS or CAESAR is an asset.

Additional Information

• Hybrid Policy in effect – requires 3 days in office per week
• Role may require up to 5% travel annually within North America.
• Physical demands may vary and could include extended periods of sitting, standing, and occasional lifting of objects.

What We Offer

• Employer-paid group benefits (Life, AD&D, Health, Dental)
• Optional Employee Paid Life and Critical Illness Insurance
• Employee Assistance Program
• Virtual Health Care
• Retirement Plan with Company Match
• Learning and Development Opportunities
• Tuition Reimbursement Program
• Paid Vacation and Personal/sick time

The typical salary range for this position is 80,000 – 110,000 annually. This range reflects the Company’s current expectations for this role based on market data, internal equity, and role responsibilities. Individual offers are determined based on job-related factors such as skills, experience, and qualifications. Disclaimer: Compensation and benefits information is accurate as of the date of posting and may be subject to change in accordance with applicable law.

Learn more about Marmon Industrial Water at

This posting is for an existing vacancy, posted both internally and externally. We are actively seeking to fill this position.

Artificial Intelligence (AI) is not used to screen, assess, or select applicants for this position.

Marmon Industrial Water (MIW) is committed to fostering a culture where everyone feels welcome, valued, and empowered to contribute their unique talents and ideas. We believe this inclusive and diverse environment is essential for our continued success.

MIW is an equal opportunity employer and is dedicated to building a respectful and inclusive workplace. All qualified applicants will be considered for employment without regard to any protected class. We welcome all qualified applicants to apply.

In accordance with the Accessibility for Ontarians with Disabilities Act (AODA), we are committed to providing accommodation throughout the recruitment process. If you require an accommodation, please let us know and we will work with you to meet your needs.

Following receipt of a conditional offer of employment, candidates will be required to complete additional job-related screening processes as permitted or required by applicable law.