Mechanical Design Engineer @ NDBS

Kelso Industries; United States; Remote; USD 90,000 - 125,000; Full time

Job summary

Kelso Industries’ National Design Build Services (NDBS) seeks a Mechanical Design Engineer to contribute to HVAC design from concept through field coordination. You will deliver design packages within time and budget, collaborating with a staff of experts across projects.

The role involves load calculations, equipment layouts, and Revit-driven construction drawings, with focus on code compliance and seamless transitions from design to field execution. Healthcare design experience is a plus.

Qualifications

• Bachelor’s degree in related Engineering field, Mechanical preferred.
• Related experience in the HVAC/R industry.
• Self-motivated with excellent time and task management skills.
• Ability to multitask with changing priorities in a deadline-driven environment.
• Ability to interact effectively with others in a team environment.
• Excellent leadership, organization, and communication skills.
• Experience in Healthcare Design is a plus.

Responsibilities

• Perform load calculations for projects.
• Design and plan layouts of equipment, duct and piping systems.
• Drive the development of HVAC design from the initial concept through construction drawings utilizing Revit.
• Application engineering including Sequence of Operations, load calculations, psychometrics, and refrigeration.
• Engage in field engineering, assisting with project execution, trade coordination, and document management.
• Understand code requirements.
• Conduct internal turnover meetings to identify project scope, risks, resource requirements, communications, schedule, and budgets.
• Collaborate with preconstruction to develop design documents from bid scope.
• Collaborate with operations to ensure shared understanding of project scope and execution.
• Drive quality control through on-site project visits and punch list creation.

Skills

Load calculations

HVAC design

Revit

Application engineering

Field engineering

Code compliance

Education

Bachelor’s degree in Mechanical Engineering

Tools

Revit

Job description

Together We Build – Partnership, Innovation, Excellence, and Safety

At Kelso Industries, 5,000+ employees across 40+ companies work together to deliver exceptional HVAC, mechanical, plumbing, refrigeration, and electrical solutions nationwide. Join us to grow your career, make an impact, and be part of a team where innovation, excellence, and safety come first.

Design Engineer

About NDBS

National Design Build Services (NDBS) is a mechanical design/build firm based in St. Louis, MO. We design and deliver HVAC, refrigeration and process systems for commercial, industrial and mission-critical facilities, including food processing, manufacturing, data centers, and refrigerated warehouses. NDBS is part of the Kelso Industries family of MEP+ companies, which shares the core values of Partnership, Innovation, Excellence and Safety. We take projects from design through fabrication and field installation, using off-site prefabrication partners where it improves schedule, quality and job-site safety. NDBS offers an excellent benefits and compensation program and strong career development opportunities.

Position Description:

The Mechanical Design Engineer at NDBS is involved in all aspects of the HVAC design / build process. From project conception through the details of design and field coordination, you will work with our staff of experts sharing and gaining practical knowledge and experience unmatched in this industry. This position is responsible for delivering project design assignments within time and budget parameters while satisfying client contracts, either through a team of engineers or individually.

Position Information

Position Type: Full Time

Travel Required: 20-30%

Department: Engineering

Location: St. Louis, MO 63146 OR Remote, United States

Skills & Responsibilities (including but not limited to):

• Adhering to NDBS Core Values

  • Safety
  • We Answer Our Phones
  • Always Innovating
  • Collaborative Partnerships
  • Reputation
  • Entrepreneurship

• Design and Technical:

  • Perform load calculations for projects.
  • Design and plan layouts of equipment, duct and piping systems.
  • Drive the development of HVAC design from the initial concept through construction drawings utilizing Revit.
  • Application engineering including but not limited to Sequence of Operations, load calculations, psychometrics, and refrigeration.
  • Engages in several levels of field engineering, assisting with project execution, trade coordination, and document management.
  • Understand code requirements

• Project Execution:

  • Perform internal turnover meetings to identify project scope, risks, resource requirements, communications, schedule, and budgets
  • Collaborate with preconstruction department to ensure project bid scope is developed into design documents.
  • Collaborate with operations department to ensure a shared understanding of project scope and overall project execution
  • Drive quality control through on site project visits and punch list creation.

Qualifications and Education Requirements:

• Bachelor’s degree in related Engineering field, Mechanical preferred
• Related experience in the HVAC/R industry
• Self-motivated with excellent time and task management skills
• Ability to work within an environment with deadlines while having to multi-task with changing priorities
• Ability to interact effectively with others in a team environment
• Excellent leadership, organization, and communication skills
• Experience in Healthcare Design a plus

NDBS is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, or any other characteristic protected by law.

Why Join Kelso Industries?

Join us and be part of a team dedicated to creating efficient, sustainable, and high-performance environments that make a lasting impact across the industrial, commercial, and institutional sectors.

Here you will experience:

Growth Opportunities: Develop new skills, take on exciting challenges, and advance your career in meaningful ways.

Company Culture: You’ll thrive in an environment that supports your growth, values your contributions, and makes work fulfilling and enjoyable.

Impact: Your work directly contributes to meaningful outcomes, allowing you to see the difference you make and feel a sense of purpose every day.

Competitive Compensation & Benefits: You’ll be rewarded fairly for your contributions while enjoying perks that enhance your financial security, health, and overall well-being.

Kelso Industries celebrates diversity and is committed to creating an inclusive environment for all employees. We do not discriminate in any aspect of employment based on race, color, religion, national origin, ancestry, gender, sexual orientation, gender identity and/or expression, age, veteran status, disability, or any other characteristic protected by federal, state, or local employment discrimination laws where Kelso does business