About the job

Senior Mechanical Engineer – Comminution & Milling Systems

Location: Naples, FL (On-Site)

Company: Microtec Development & Holdings

Company Description

Microtec Development & Holdings is a technology and holdings company headquartered in Naples, Florida, focused on advanced grinding, classification, and materials processing technologies. Its patented Microtec grinding technology has been deployed in more than 90 installations worldwide and has over 20 years of proven industrial operation processing hard-to-grind materials.

The company’s portfolio includes Microtec GmbH, AggrePlex, and Encell Composites, providing engineering solutions across minerals, recycling, advanced materials, cementitious products, and industrial manufacturing. We are building the next generation of sustainable materials processing technologies and are seeking experienced engineers who enjoy solving complex mechanical challenges.

Position Summary

Microtec Development & Holdings is seeking an experienced Senior Mechanical Engineer with a strong background in industrial milling, comminution, size reduction, air classification, or bulk solids processing.

This individual will lead the mechanical design, optimization, and continuous improvement of our grinding and classification systems while working closely with our engineering teams in both the United States and Germany. The ideal candidate has designed, maintained, or optimized industrial milling equipment and understands the mechanical challenges associated with high-wear, high-throughput processing environments.

This is a hands-on engineering role requiring both strong design capability and practical manufacturing experience.

Responsibilities

• Lead the mechanical design and development of advanced milling and air classification systems.
• Design rotating equipment including mills, classifiers, conveying systems, feeders, and auxiliary process equipment.
• Perform mechanical calculations for shafts, bearings, drives, gearboxes, couplings, and structural components.
• Improve equipment reliability, maintainability, and manufacturability.
• Develop complete 3D assemblies, fabrication drawings, BOMs, and manufacturing documentation.
• Work directly with production, procurement, fabrication, and field installation teams.
• Support commissioning, startup, troubleshooting, and optimization of processing equipment.
• Conduct root cause failure analyses and implement long-term mechanical improvements.
• Specify mechanical components and coordinate with suppliers and fabricators.
• Review vendor designs and ensure compliance with engineering standards.
• Collaborate with electrical, controls, and process engineering teams during equipment integration.
• Support technology transfer and standardization across global operations.

Required Qualifications

• Bachelor’s degree in Mechanical Engineering.
• 8+ years of mechanical engineering experience in industrial equipment design.
• Demonstrated experience with:
• Grinding or milling systems
• Comminution equipment
• Crushers
• Pulverizers
• Air classifiers
• Powder processing
• Bulk solids handling
• Mineral processing equipment
• Strong understanding of rotating machinery and machine design.
• Experience designing welded fabrications and heavy industrial equipment.
• Proficiency with SolidWorks, Inventor, or similar 3D CAD software.
• Ability to interpret manufacturing drawings and GD&T.
• Strong understanding of industrial manufacturing processes.
• Excellent troubleshooting and analytical skills.
• Willingness to travel domestically and internationally as projects require.

Preferred Qualifications

Experience with one or more of the following industries is highly desirable:

• Mineral processing
• Cement
• Industrial minerals
• Ground calcium carbonate (GCC)
• Calcium carbonate processing
• Glass recycling
• Ground glass pozzolan
• Fly ash
• Slag processing
• Ceramics
• Pigments
• Carbon black
• Battery materials
• Chemicals
• Industrial recycling

Experience with:

• Air classification
• High-speed rotating equipment
• Wear-resistant materials
• Pneumatic conveying
• Dust collection systems
• Vibratory equipment
• Mechanical commissioning
• Finite Element Analysis (FEA)
• Design for Manufacturing (DFM)
• Design for Assembly (DFA)

is highly preferred.

What You’ll Work On

As part of our engineering team, you will help develop next-generation processing systems for:

• Advanced grinding technologies
• Sustainable construction materials
• Industrial mineral processing
• Glass recycling
• Cement replacement materials
• Battery materials
• Advanced composites
• Circular economy manufacturing

Your work will directly influence equipment deployed at industrial facilities throughout North America, Europe, and other international markets.

What We’re Looking For

We are looking for someone who is:

• Technically curious and driven to solve difficult engineering problems.
• Comfortable taking ownership of complex mechanical systems.
• Equally capable in engineering design reviews and on the manufacturing floor.
• Detail-oriented with high engineering standards.
• Collaborative and able to work across multidisciplinary and international teams.
• Passionate about designing reliable, efficient, and innovative industrial equipment.

Why Join Microtec?

• Work with proprietary, globally deployed milling technology.
• Design equipment that advances sustainable manufacturing and recycling.
• Collaborate with experienced international engineering teams.
• Join a rapidly growing technology company with significant opportunities for advancement.
• Play a key role in developing the next generation of industrial processing systems with real-world global impact.

Pay: $170,000.00 - $200,000.00 per year

Benefits:

• 401(k)
• 401(k) matching
• Dental insurance
• Health insurance
• Health savings account
• Life insurance
• Paid time off
• Vision insurance

Education:

• Bachelor's (Required)

Experience:

• Mechanical engineering: 8 years (Required)

Work Location: In person