Mechanical Design Engineer - HVAC Systems

About Mesabi Metallics

When you join the team at Mesabi Metallics, you become part of a pioneering group advancing sustainable mining practices and driving innovation in the iron ore industry. Our commitment extends to providing a safe work environment, supporting environmental stewardship and generating value for all stakeholders. You will be joining us at a pivotal moment in Minnesota’s mining history: Mesabi Metallics’ cutting-edge iron ore mining and pelletization project is currently under construction. Once completed, it will mark the first new mine and pellet plant in Minnesota in nearly 50 years.

More importantly, you'll be immersed in a positive, supportive work environment that values your contributions and fosters your professional growth. Our culture is shaped by our core values which are sustainability, integrity, inclusivity, innovation, teamwork, determination and performance, and our employees are empowered to make a difference every day.

At Mesabi Metallics, you are part of a legacy of excellence, playing a key role in shaping the future of global infrastructure and industry.

Position Summary

Mesabi Metallics is seeking an experienced Mechanical Project Engineer specializing in HVAC systems, responsible for leading the design, implementation, and commissioning of heating, ventilation, and air
solutions for steel industry projects focused on iron ore mining, beneficiation, pelletization, and downstream iron & steel making. The incumbent ensures efficient climate control, optimal air quality, and strict compliance with safety and environmental standards in demanding industrial environments.

Job Responsibilities

• Lead design, review, and development of HVAC systems including heating, ventilation, air conditioning, and air pollution control equipment for industrial steel plants.
• Prepare and review HVAC layouts, equipment selection, ducting, piping, and control system drawings.
• Conduct load calculations, airflow analysis, and equipment sizing to meet process and personnel comfort requirements.
• Coordinate HVAC design integration with civil, structural, electrical, and process engineering teams.
• Manage vendor evaluation, procurement support, and technical specification development for HVAC equipment.
• Support installation, testing, balancing, and commissioning of HVAC systems at project sites.
• Ensure HVAC systems comply with OSHA, ASHRAE, NFPA, and EPA regulations and standards.
• Troubleshoot HVAC operational issues during construction and commissioning phases.
• Prepare detailed reports, documentation, and project progress updates.
• Collaborate with contractors, suppliers, and regulatory authorities to meet project goals and timelines.
• Provide technical guidance and mentorship to junior engineers.

Skills and Qualifications

• 7 to 15 years of hands-on experience in HVAC engineering within heavy industries such as steel, mining, or mineral processing.
• Strong knowledge of HVAC system design principles, codes, and standards (ASHRAE, NFPA, OSHA, EPA).
• Proficiency in HVAC design software such as AutoCAD, Revit MEP, Carrier HAP, or Trane TRACE.
• Experience with industrial ventilation, dust collection, and air pollution control systems.
• Familiarity with energy-efficient HVAC solutions and sustainable design practices.
• Excellent problem-solving, communication, and project management skills.
• Ability to work collaboratively in multidisciplinary project teams.
• Professional Engineer (PE) license or equivalent.
• Experience with 3D modeling and BIM for HVAC systems.
• Knowledge of pneumatic and digital HVAC control systems.
• Experience in commissioning large-scale HVAC systems.
• Certification in HVAC or energy management (e.g., LEED, CEM) is a plus.

Education

• Bachelor's degree in Mechanical Engineering or related field.

Physical Requirements

• This position is a mixture of field work and office duties. Field work will be conducted daily throughout the year so exposure to the elements (rain, snow, cold, heat, etc) is to be expected. The office duties will require work in front of a laptop, desk, and phone.

Salary Range :

• $120,000 - $150,000 annually, depending on experience and qualifications.

Benefits :

• Health Insurance : Comprehensive medical and dental coverage with an HSA option.
• Retirement Plan : 401(k) with 6% company match.
• Lincoln STD, LTD, & Life Insurance : Coverage provided by Mesabi Metallics.
• Paid Time Off (PTO) : 0-5 Years: 120 hours per year. 
  5-10 Years: 160 hours per year. 
  10+ Years: 200 hours per year.
  Plus 9 paid holidays.

Mesabi Metallics Company LLC is an equal opportunity employer and values diversity in the workplace. We are committed to creating an inclusive environment where all employees feel valued, respected, and empowered to contribute to our success.