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Mechanical Engineer Water Jobs (NOW HIRING)

RMF Engineering, Inc

Mechanical Engineer

Boston, MA

RMF Engineering, Inc. is currently seeking an experienced Mechanical Engineer for our Boston ... Experience and interest in sustainable and high-performance building design (energy, water, carbon ...

RMF Engineering, Inc

Mechanical Engineer

Boston, MA · On-site

RMF Engineering, Inc. is currently seeking an experienced Mechanical Engineer for our Boston ... Experience and interest in sustainable and high-performance building design (energy, water, carbon ...

The Rockridge Group

Mechanical Engineer

Phoenix, AZ

... water, sewer, and other similar systems. This individual will be a registered Professional Engineer ... The Mechanical Engineer will exercise considerable latitude in determining objectives and ...

Hyperion Biotechnology

Mechanical Engineer

Long Beach, CA · On-site

$150 - $250/hr

The Mechanical Engineer will perform annual review of Consolidated Water Utilities Management Plan documents to ensure structure and contents are aligned with Veteran Health Administration Directive ...

CP Engineers

Senior Mechanical Engineer

Sparta, NJ · On-site

$115K - $145K/yr

CP Engineers is seeking a highly skilled Senior Mechanical Engineer to provide technical leadership ... Project work may include mechanical systems for commercial and industrial buildings, water and ...

CP Engineers

Senior Mechanical Engineer

Parsippany, NJ · Hybrid

$115K - $145K/yr

CP Engineers is seeking a highly skilled Senior Mechanical Engineer to provide technical leadership ... Project work may include mechanical systems for commercial and industrial buildings, water and ...

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All JobsMechanical Engineer Water Jobs

Mechanical Engineer Water information

See salary details

$45.5K

$102.9K

$166.5K

How much do mechanical engineer water jobs pay per year?

As of Jun 29, 2026, the average yearly pay for mechanical engineer water in the United States is $102,878.00, according to ZipRecruiter salary data. Most workers in this role earn between $81,500.00 and $126,500.00 per year, depending on experience, location, and employer.

What does a Mechanical Engineer in the water industry do?

A Mechanical Engineer in the water industry is responsible for designing, developing, and maintaining mechanical systems and equipment used in water treatment, distribution, and wastewater management. Their work often involves specifying pumps, piping, filtration systems, and other mechanical components to ensure efficient and safe water processing. They may also oversee installation, testing, and maintenance of equipment, work with multidisciplinary teams, and ensure compliance with environmental and safety standards. These engineers play a vital role in ensuring reliable access to clean water and effective wastewater treatment.

What are the main challenges Mechanical Engineers face when working on water infrastructure projects?

Mechanical Engineers working in water infrastructure often encounter challenges such as designing systems that withstand corrosion, handling fluctuating water pressures, and ensuring compliance with environmental regulations. Projects frequently require collaboration with civil and environmental engineers to integrate mechanical systems into broader water treatment or distribution processes. Adapting to site-specific constraints and integrating new technologies for energy efficiency are also common aspects that make this role both demanding and rewarding.

What is the difference between Mechanical Engineer Water vs Mechanical Engineer HVAC?

AspectMechanical Engineer WaterMechanical Engineer HVAC
CertificationsPE License, Engineer-in-Training (EIT)PE License, Engineer-in-Training (EIT)
Work EnvironmentWater treatment plants, pipelines, pumping stationsHeating, ventilation, air conditioning systems in buildings
Industry UsageWater utilities, environmental agenciesConstruction, building services, facilities management
Common Search/ComparisonYesYes

Mechanical Engineer Water and Mechanical Engineer HVAC share similar credentials and work environments, both requiring PE licenses and involving engineering in building or infrastructure projects. However, Mechanical Engineer Water focuses on water treatment, distribution, and environmental systems, while Mechanical Engineer HVAC specializes in climate control systems within buildings. Both roles are vital in their respective industries and often searched together by engineering professionals and employers.

What are the key skills and qualifications needed to thrive as a Mechanical Engineer in the water sector, and why are they important?

To thrive as a Mechanical Engineer in the water sector, you need a solid background in mechanical engineering principles, fluid mechanics, and thermodynamics, typically supported by a bachelor's degree and professional licensure (PE or EIT). Proficiency in CAD software, hydraulic modeling tools, and industry standards such as ASME and AWWA is essential. Strong problem-solving abilities, project management, and effective teamwork and communication skills make candidates stand out. These competencies ensure the safe, efficient, and sustainable design and operation of water infrastructure projects.
More about Mechanical Engineer Water jobs
What states have the most Mechanical Engineer Water jobs? States with the most job openings for Mechanical Engineer Water jobs include:
What job categories do people searching Mechanical Engineer Water jobs look for? The top searched job categories for Mechanical Engineer Water jobs are:
Mechanical Engineer Water jobs near you
Infographic showing various Mechanical Engineer Water job openings in the United States as of June 2026, with employment types broken down into 74% Full Time, 19% Part Time, 1% Temporary, 5% Contract, and 1% Nights. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution, with an average salary of $102,878 per year, or $49.5 per hour.
Mechanical Engineer I

Mechanical Engineer I

Waters Corporation

Goleta, CA

Full-time

Posted 2 days ago

Job description

The Mechanical Engineer will support the development of advanced light scattering instruments by designing, building, and validating opto-mechanical systems. This role contributes to both new product development and improvement of existing platforms, working closely with electrical, optical, and systems engineers.

Responsibilities:

  • Design opto-mechanical components, assemblies, and enclosures for liquid chromatography and light scattering instruments. 
  • Develop precision mechanical structures for optical alignment, thermal management, and fluidics integration
  • Support product lifecycle from concept, prototyping, V&V, and design transfer. 
  • Perform mechanical testing, tolerance analysis, and DOE-based validation
  • Ensure performance, reliability, and manufacturability of designs
  • Create CAD models and drawings using Autodesk Inventor (or equivalent)
  • Apply GD&T per ASME Y14.5 and maintain design documentation
  • Support engineering change orders (ECOs) and design reviews
  • Work with EE, optics, and system engineers for integration

Education

  • B.S. or M.S. in Mechanical Engineering or related field. 

  • 2–5 years in precision instrumentation, opto-mechanical systems, or similar

Technical Skills

  • Strong CAD skills (Inventor/SolidWorks)
  • GD&T, tolerance analysis, material selection
  • Experience with optics packaging and alignment preferred
  • Familiarity with thermal and structural simulation tools

Preferred

  • Experience with analytical instruments
  • Hands-on lab and prototyping skills

Waters Corporation (NYSE:WAT)  is a global leader in life sciences and diagnostics, dedicated to accelerating the benefits of pioneering science through analytical technologies, informatics, and service. With a focus on regulated, high-volume testing environments, our innovative portfolio harnesses deep scientific expertise across chemistry, physics, and biology. We collaborate with customers around the world to advance the release of effective, high-quality medicines, ensure the safety of food and water, and drive better patient outcomes by detecting diseases earlier, managing routine infections, and combating antibiotic resistance. Through a shared culture of relentless innovation, our passionate team of ~16,000 colleagues turn scientific challenges into breakthroughs that improve lives worldwide.  

Diversity and inclusion are fundamental to our core values at Waters Corporation. It benefits our employees, our products, our customers and our community. Waters complies with all applicable federal, state, and local laws. Qualified applicants are considered without regard to sex, race, color, ancestry, national origin, citizenship status, religion, age, marital status (including civil unions), military service, veteran status, pregnancy (including childbirth and related medical conditions), genetic information, sexual orientation, gender identity, legally recognized disability, domestic violence victim status, or any other characteristic protected by law. Waters is proud to be an equal opportunity workplace and is an affirmative action employer. All hiring decisions are based solely on qualifications, merit, and business needs at the time.


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