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Senior Mechanical Engineer

Job in St. Louis, Saint Louis, St. Louis city, Missouri, 63105, USA
Listing for: Gabriel Group
Full Time position
Listed on 2026-07-15
Job specializations:
  • Engineering
    Mechanical Engineer, Building Services Engineer
Salary/Wage Range or Industry Benchmark: 110000 - 145000 USD Yearly USD 110000.00 145000.00 YEAR
Job Description & How to Apply Below
Location: St. Louis

Location: 401 South 18th Street, Suite 400, St. Louis, MO, 63103, United States

Base Pay: $ - $ / Year

Horner & Shifrin is seeking a full-time Senior Mechanical Engineer with 10+ years’ experience. This position requires understanding of mechanical designs and calculations for HVAC systems. Responsibilities will include design, load analysis, site surveys, RFI and submittal reviews.

Position Responsibilities / Duties
  • Design of Mechanical HVAC, Chilled and Hot Water Piping, Steam and Building Automation systems for education, commercial, municipal and healthcare buildings.
  • Responsible for preparing Mechanical systems project construction documents and specifications.
  • QA/QC of other Mechanical engineers.
Position Requirements
  • Licensed Professional Engineer
  • Knowledge of Plumbing, Medical Gas, Natural Gas and Fire Protection systems and design is a benefit.
  • Knowledge of Trace 3D
  • Knowledge of REVIT
  • Ability to research related codes and standards to ensure design compliance
  • Ability to traverse sites, including walking through projects under construction
  • Strong communication skills, both written and verbal
  • Critical thinking and analysis
  • Proficient in the use of Microsoft Office software (Outlook, Excel, Word)
  • Must possess a valid driver’s license
  • Must complete a background check
Educational Requirements

Bachelor of Science in Mechanical Engineering or Architectural Engineering with an emphasis in Mechanical systems.

Salary Range

Horner & Shifrin, Inc. offers a comprehensive total rewards package and is committed to fair, competitive, market-based compensation. The target salary range for this position is $110,000-$145,000. Compensation for the successful candidate will consider the candidate’s particular combination of knowledge, skills, competencies, experience, and geographic location.

Equal Opportunity Statement

Horner & Shifrin is a Federal Contractor, Equal Opportunity Employer M/F/Disability/Veteran.

If you are an individual with a disability and require a reasonable accommodation to complete any part of the application process or are limited in the ability or unable to access or use this online application process and need an alternative method for applying, you may contact Human Resources at  for assistance.

Contact our Human Resources Department at  for any recruiting inquiries.

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Position Requirements
10+ Years work experience
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