Plumbing Engineer
KAI Design & Build
St. Louis, MO

About $90,000 - $120,000 a year


The purpose of this position is to be responsible for design, development, implementation, analysis of the design and project management of engineering systems.

Essential Functions:

  • Perform engineering design evaluations and lead project engineering design, specific to Plumbing Engineering
  • Perform independent design of plumbing, medical gas and/or fire protection systems, which can include drainage systems, fuel gas systems, medical gas systems and fire suppression systems
  • Analyze existing plumbing systems for buildings
  • Recommend alterations to development and design to improve quality
  • Prepares engineering analysis of projects, to include: preliminary design, budget analysis, calculations, life cycle costs, and equipment selection
  • Prepares drawings and layouts; proficient in Revit and/or AutoCAD
  • Prepares technical construction specifications
  • Reviews the development of designs for compliance with applicable codes, adopted engineering standards, and good engineering practices.
  • Performs field observations as part of the construction quality assurance process

Other Functions:

  • Assist with project schedules and assign work to team as needed
  • Deliver technical presentations to internal and external audiences as required as part of the design process
  • May be required to perform other duties as assigned

Critical Skills and Abilities

  • Effective communication skills: Able to clearly present information through the spoken or written word; reads and interprets complex information; listens well.
  • Demonstrates leadership skills: Able to assume a role of authority, as necessary; sets an example for coworkers and takes personal accountability for decisions.
  • High accuracy and attention to detail: Able to perform work and job function with precision and accuracy; realizes errors can have significant impact on desired results and is able to avoid errors in almost all circumstances; carefully monitors processes; concentrates on details and organizes and maintains a system of records.
  • Design: Generates creative solutions; translates concepts and information into images; uses feedback to modify designs; applies design principles; demonstrates attention to detail. Have ability to select and size systems and perform hydraulic, fuel gas and medical gas calculations.
  • Code and Mathematical knowledge required: Knowledge of applicable federal, state, and local building codes and safety laws. Work requires advanced math skills, special relationship abilities, and the ability to understand “abstract” principles behind math and physics. Have thorough knowledge of NFPA, American Society of Plumbing Engineers Standards and various building, plumbing, fire energy conversation and fuel gas codes.
  • Computer skills required: Microsoft Windows environment, Microsoft Office: Word, PowerPoint, Excel; AutoCAD, Revit, 3D CAD, BIM system experience
  • Required Certifications: BS Mechanical Engineering, PE Licensure


KAI is an MBE-Certified AEC firm built upon a foundation of teamwork and collaboration. At KAI, our core focus is transforming communities through integrated design and construction solutions. For nearly 40 years we have provided delivery-oriented building solutions with a diverse portfolio of experience, in-house multi-discipline professionals and expertise in both design and construction delivery services. Our firm has been involved in over 45 award-winning projects providing architecture, MEP/FP engineering and construction services throughout the United States that have been instrumental in improving the quality of life and environment in communities. At KAI, we are faithful stewards, we listen to understand, give back, love one another and we hustle!

As an equal opportunity employer, KAI prohibits unlawful discrimination based on race, religion, creed, color, national origin or ancestry, sex (including pregnancy, childbirth and related medical conditions, lactation and breastfeeding), age, marital status, sexual orientation, gender, gender identity, gender expression, genetic information, disability, veteran or military status, or any other basis that would be in violation of any applicable federal, state or local law.

Job Type: Full-time


  • Plumbing: 5 years (Preferred)
  • Plumbing Design: 5 years (Preferred)

Benefits offered:

  • Paid time off
  • Health insurance
  • Dental insurance
  • Healthcare spending or reimbursement accounts such as HSAs or FSAs
  • Retirement benefits or accounts