2,033,780open jobs
120,212companies
251,548added this week
Browse all
Salary
≈ $63k – $147k per year (Estimated)
Location
In office (Maryland Heights)
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 28, 2026. First seen by Alion on Oct 21, 2026.

Overview
Company
Impact
Profile match
NDBS specializes in heating, cooling, air conditioning and refrigeration. Our team of experienced mechanical engineers craft customized solutions aimed to exceed customer expectations.

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.

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.

We’re committed to attracting talented individuals who seek a company with a strong foundation of success and an outstanding culture. We proactively provide competitive compensation, comprehensive benefits, and clear pathways for career advancement with autonomy and flexibility in an entrepreneurial environment.

Learn more about our family of operating companies at  www.kelso-industries.com  

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. 

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
2,033,780 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Recommended for you based on this role

Industrial Engineering
Similar stack
Same company
Maryland Heights
$70k – $97k per year · In office · Full-Time · 6+ years exp · Associate's Degree · Arden
Design
SolidWorks
AutoCAD
Management
SharePoint
SpaceTech
FMEA
Apply
Engineer Staff 26 min ago
$115k – $162k per year · In office · Full-Time · Bellwood
Management
Microsoft Project
SpaceTech
FMEA
Apply
Plant Supervisor 3 hours ago
≈ $71k – $130k per year (Estimated) · In office · 3+ years exp · High School Diploma · Forest Park
Apply
$141k – $165k per year · In office · 4+ years exp · Bachelor's Degree · Alameda · Albuquerque
Apply
≈ $62k – $117k per year (Estimated) · In office · 5+ years exp · New Freedom
Analytics
Microsoft Excel
SpaceTech
GD&T
MedTech
ISO 13485
Apply
≈ $82k – $155k per year (Estimated) · In office · Full-Time · 5+ years exp · Bachelor's Degree · Maryland Heights
DevOps
HPC
Design
AutoCAD
Apply
≈ $98k – $199k per year (Estimated) · In office · Full-Time · 8+ years exp · Bachelor's Degree · Maryland Heights
DevOps
HPC
Design
AutoCAD
Apply
≈ $78k – $147k per year (Estimated) · In office · Full-Time · 10+ years exp · Saint Louis
Design
AutoCAD
Apply
BIM Technician 15 days ago
≈ $35k – $61k per year (Estimated) · In office · Full-Time · 1+ year exp · Maryland Heights
Design
AutoCAD
Apply
≈ $53k – $95k per year (Estimated) · In office · Full-Time · 2+ years exp · Bachelor's Degree · Maryland Heights
Apply
$71k – $122k per year · In office · 5+ years exp · High School Diploma · Maryland Heights
Apply
$34k – $38k per year · In office · Part-Time · Maryland Heights
Apply
$118k – $158k per year · In office · 5+ years exp · Bachelor's Degree · Maryland Heights
Apply
≈ $35k – $61k per year (Estimated) · In office · 2+ years exp · Associate's Degree · Maryland Heights
Apply
See all jobs
This is one of many
2,033,780 more open roles from verified company boards, updated every day.