Demo

Mechanical Engineer - Commercial Building Design

ACS Professional Staffing
Richland, WA Contractor
POSTED ON 11/10/2026
AVAILABLE BEFORE 12/9/2026
Overview

ACS Professional Staffing is looking for an employee to work on-site with our client. This Mechanical Engineer - Commercial Building Design will develop and coordinate mechanical systems for medium- to large-scale commercial building projects, including HVAC, plumbing, sanitary waste, sewer, and mechanical controls. The role will prepare construction drawings, perform load calculations and engineering analyses, support permitting and site inspections, and collaborate with multidisciplinary teams. Candidates must have commercial building mechanical design experience and hold a PE license or be eligible for Washington State PE reciprocity within three months. This full-time position is located in Richland, WA.

Pay rate: $61.74 - $84.41

Benefits

  • Sick Leave: One hour of paid sick leave for every 40-hours worked (sick leave can be used after 90-days of employment)
  • EAP: Employee Assistance Program
  • Benefit Options: Medical, Dental, Vision, HSA, Group Life/AD&D, Voluntary Life/AD&D, Voluntary Short-Term Disability, Voluntary Long-Term Disability, Voluntary Critical Illness, Voluntary Accident, Hospital Indemnity, 401k (eligible after one year and 1,000 hours worked - employer match up to 4%)
  • Other benefits include the following: Calm App, LifeBalance Discount Program

Responsibilities:

  • Develop detailed mechanical construction drawings for commercial building projects.
  • Perform heating and cooling load calculations.
  • Design and coordinate HVAC, potable water, sanitary waste, sewer, and mechanical control systems.
  • Support and navigate permitting processes for mechanical designs.
  • Conduct site surveys and punch list inspections during construction.
  • Prepare mechanical system construction cost estimates and identify value-engineering opportunities.
  • Support mechanical design efforts for medium- to large-scale commercial building projects.
  • Apply mechanical engineering principles and methods to identify and resolve complex technical problems.
  • Perform sophisticated engineering analyses and coordinate with multidisciplinary teams.
  • Maintain current knowledge of industry standards, developments, codes, and engineering practices.

Requirements:

  • Bachelor’s degree in Engineering from an accredited college or university.
  • Minimum of 8 years of engineering experience, including at least one diverse assignment.
  • Professional Engineer (PE) license obtained through an accredited examination.
  • Candidates must hold a PE license or be eligible to obtain Washington State PE reciprocity within three months.
  • Proven experience in commercial building mechanical design.
  • Strong knowledge of mechanical engineering principles, practices, theories, and analytical methods.
  • Strong understanding of commercial building systems and applicable codes.
  • Advanced technical knowledge of related engineering disciplines.
  • Experience designing and coordinating HVAC, plumbing, sanitary waste, sewer, and mechanical control systems.
  • Ability to identify and resolve highly complex engineering problems.
  • Ability to collaborate effectively with multidisciplinary project teams.
  • Excellent written and verbal communication and technical documentation skills.

Work sponsorship is not available at this time. Third-party candidates will not be considered for this position.

Because we are a federal government contractor, we have special restrictions placed on us for hiring foreign nationals into certain key positions within the company. This particular position requires U.S. citizenship.

ACS Professional Staffing will provide equal employment opportunities to all applicants without regard to the applicant’s race, color, religion, sex, gender, genetic information, national origin, age, veteran status, disability status, or any other status protected by federal or state law. The company will provide reasonable accommodations to allow an applicant to participate in the hiring process if so requested.

If you have any questions about the job posting, please contact recruiting@acsprostaffing.com

If you have any questions about our Reasonable Accommodation Policy, please feel free to email hr@acsprostaffing.com

Salary : $62 - $84

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