Mechanical and Design Engineer

Solenis is a leading global provider of water and hygiene solutions. The company's product portfolio includes a broad array of water treatment chemistries, process aids, functional additives, cleaners, disinfectants, and state-of-the-art monitoring, control and delivery systems. These technologies are used by customers to improve operational efficiencies, enhance product quality, protect plant assets, minimize environmental impact, and create cleaner and safer environments.

Headquartered in Wilmington, Delaware, the company has 78 manufacturing facilities strategically located around the globe and employs a team of over ~23000 professionals in >160 countries across six continents. Solenis is a 2025 Best Managed Company Gold Standard honoree.

For additional information about Solenis, please visit (Use the "Apply for this Job" box below). follow us on social media.

Perks of working with us!

• Competitive health + wellness benefit plan
• Continuous professional development with many opportunities for growth!
• Recharge with 15 days of paid time off
• Competitive Salary and Bonuses
• 401k Plan
• Ability to work remotely

Position Summary

The Mechanical & Design Engineer provides mechanical engineering and design support for capital projects and chemical manufacturing operations across the organization. This position is responsible for performing detailed engineering analysis, calculations, equipment specification, design, and technical documentation to support safe, efficient, and reliable project execution.

You will work closely with Project Managers, Engineers, Designers, Drafters, plant personnel, and other stakeholders to develop practical engineering solutions for chemical plants. The role requires the ability to work independently, including remotely, with minimal direction while effectively managing multiple priorities and supporting projects from concept through construction and implementation.

Key Responsibilities

• Perform detailed mechanical engineering analysis, calculations, design, and sketches for Cap Ex projects, plant support activities, and construction installations.
• Develop and review mechanical designs, engineering calculations, drawings, specifications, and other technical documentation.
• Review and approve key engineering drawings and calculations, including field documents, design documents, equipment layouts, and installation details.
• Develop equipment specifications for mechanical systems and equipment, including material handling systems, packaging equipment, pumps, piping, tanks, and related process equipment.
• Provide technical direction and engineering support to Designers, Drafters, Engineers, Project Managers, contractors, and plant personnel.
• Lead and/or support the development of mechanical design packages from conceptual design through detailed engineering and construction.
• Develop project scopes, engineering work plans, and estimates for mechanical engineering and design activities, including engineering hours and Total Installed Cost (TIC) estimates.
• Support project teams during construction, installation, commissioning, and startup activities by providing technical guidance and resolving field engineering issues.
• Conduct field investigations and site visits to gather information, verify existing conditions, and develop practical engineering solutions.
• Work from and contribute to 3D models and other digital engineering tools to support equipment and facility design.
• Ensure engineering designs comply with applicable company standards, industry codes, regulatory requirements, and recognized engineering practices.
• Collaborate with multidisciplinary project teams to identify design risks, resolve technical issues, and deliver projects safely, efficiently, and cost-effectively.
• Maintain organized engineering calculations, design records, specifications, drawings, and other project documentation.
• Provide technical support to operating plants as required, including troubleshooting and evaluation of mechanical equipment and systems.

Qualifications

• Bachelor's degree in Mechanical Engineering or a related engineering discipline.
• Minimum of 5 years of experience working in specialty chemicals.
• Minimum of 7 years of experience in mechanical design engineering or a related field.
• Minimum of 5 years of experience developing equipment specifications.
• Proficiency with AutoCAD and experience working from 3D models.
• Working knowledge of applicable industry codes and regulatory requirements, including ANSI, OSHA, NFPA, ASME, API, and other applicable standards.
• Strong…