Mechanical Engineer
PENTAIR
San Luis Obispo, CA · Posted October 29, 2026
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Rankings about engineering jobs
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- Most requested AI skills in engineering jobs #1 AI tools in daily work (6.1%)
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Pay compared with the market
This listing does not state pay. Across 197 open mechanical engineer listings that state pay, the middle half runs $115,000 to $153,500 and the median is $132,500.
Listed pay is what employers advertise, not what people are paid.
How AI is used in this kind of work
AI use among mechanical engineers is little observed so far. Measured exposure for mechanical engineers: 8% (little observed).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
About the job
Job Description:
At Pentair, you will work alongside passionate problem-solvers who are committed to the future of our planet. We put our mission into practice, helping the world sustainably move, improve and enjoy water, life's most essential resource. From our residential water filtration to industrial water management to pool products and more, our 9,000 global employees serve customers in more than 150 countries, working to help create a better world for people and the planet through smart, sustainable water solutions.
We have an opportunity for a Mechanical Engineer to join our San Luis Obispo, CA team. ClearWater Tech, a Division of Pentair, is transforming the way the world achieves disinfection by proving that powerful protection and environmental responsibility go hand in hand. We empower industries and safeguard communities by turning nature’s own molecules into sustainable, eco-friendly solutions. Join our team to cultivate your professional growth while delivering a lasting impact for generations to come.
You will:
New Product Development: define specifications, test design ideas, design parts (sheet metal, aluminum extrusion, plastic injection, machined, etc.), build prototypes, test prototypes, document design, work with production to implement the design, work with service to support the design.
Value Add Value Engineer: work with production, service and sales to identify opportunities to adjust the design of a product or the building process of a product to improve reliability and/or reduce cost.
Manage the 3D CAD System: keep our parts and drawings organized.
Work with the engineering manager to go through our Engineering Change Requests and our Engineering Change Orders to reduce the time between a problem being identified, and a solution implemented.
Driving Projects: monitoring timelines and schedules, ensuring project objectives are defined, making sure project objectives are met in the agreed upon time frame, informing the team if objectives or timeline can be met.
Offering Creative Solutions: We need someone who can think outside the box and isn’t deterred when the first two ideas don’t pan out. We need someone with a creative engineering mind that can help our team find creative solutions to solve complex problems.
Work with vendors and suppliers, communicate with customers. Able to engage technical issues with a non-technical audience.
Key Qualifications:
Bachelor of Science degree in Mechanical Engineering or a related discipline.
2-5+ years of experience in mechanical engineering, design, and analysis, preferably within a Food service/Water industry.
Strong fundamentals in mechanical design, materials, and manufacturing processes, Experience with CAD tools (Autodesk Inventor)
Experience designing components for mass production including, but not limited to, injection molding, casting, extrusion, sheet metal, or fabrication.
Experience working with manufacturing to deploy launches, NPD understanding is an added advantage.
Able to drive root cause analysis and corrective actions for field issues, failures, and quality concerns. Manage Engineering changes through ECR/ECN Process.
Able to identify and implement cost reduction (VA/VE) initiatives without compromising value or performance.
Understanding of Fluid Dynamics and integration of electromechanical and pneumatic components.
Knowledge of sealing design, actuation mechanisms, and tube fittings.
Ability to identify root causes of issues (RCA) and bring design and/or process solutions to the table.
Compensation:
For this full-time position working, the anticipated annualized base pay range will be from $75,000 - $105,000 per year. At ClearWater Tech - Pentair, it is not typical for an individual to be hired near the bottom or top of the pay range. ClearWater Tech - Pentair considers various factors in determining actual compensation for this position at the expected location. Actual compensation will be commensurate with demonstrable level of experience and training, pertinent education including licensure and certifications, work location, and other relevant business or organizational needs. This position may be eligible for other forms of compensation such as, annual incentive bonus and/or long-term incentives.
Benefits:
As a ClearWater Tech - Pentair employee, you would enjoy a wide array of benefit options to help keep you and your family healthy and protected, health benefits, a generous 401(k), employee stock purchase program, disability benefits, life insurance, critical illness insurance, accident insurance, parental leave, caregiver leave, tuition reimbursement, plus paid time off and wellness programs to encourage a healthy work/life balance.
Equal Opportunity Employer
Pentair is an Equal Opportunity Employer. With our expanding global presence, cross-cultural insight and competence are essential for our ongoing success. We believe that a diverse workforce contributes different perspectives and creative ideas that enable us to continue to improve every day.