Senior Mechanical Designer – Building Systems

Colliers Engineering & Design; Seattle (WA); On-site; USD 79,000 - 104,000; Full time

Benefits offered by this job

Medical, dental, vision coverage

401(k) with company match

Paid time off

Parental and military leave

Professional license bonuses

Education reimbursement

Job summary

Colliers Engineering & Design in Seattle, WA, is seeking a Senior Mechanical Designer to join our Building Engineering Services team. You will work closely with engineers and independently perform high‑level design work, drafting, and project tasks, transforming concepts into CAD drawings.

The ideal candidate has 8–10+ years of experience, an Associate degree in Engineering Technology or related field, and strong knowledge of ASHRAE/ASPE standards.

Qualifications

• High School Diploma, GED or certification from a technical school required.
• Associates degree in Engineering Technology or related field preferred.
• 8‑10+ years of experience required.
• Familiar with commercial, institutional, healthcare, retail, and manufacturing facilities for private, government, municipal, industrial and institutional clients.
• Experience with industry standards (ASHRAE, ASPE).
• Experience with attending design meetings and review meetings with clients.
• Proficient in Autodesk Revit and AutoCAD.
• Proficient user of Microsoft Word and Excel.
• Excellent communication skills.
• Team player who is also able to work independently.
• Strong verbal and written communications skills.
• Ability to meet deadlines.
• Ability to understand and follow directions.
• Detail oriented.
• Ability to read, write and understand English for purposes of comprehending written job‑related communications and verbal instructions and interactions.

Responsibilities

• Design mechanical systems, including sizing, routing, and coordinating piping and ductwork with minimal supervision. Skilled in generating coordinated plan layouts from schematic flow diagrams.
• Coordinate designs with various disciplines, including civil, architectural, structural, electrical, and process engineering teams.
• Prepare construction drawings for bid sets, ensuring accuracy and compliance with company standards and project requirements.
• Mentor junior design staff by providing clear guidance, assigning specific tasks, and outlining expected outcomes.
• Conduct site investigations and fieldwork to assess existing facilities and ensure seamless integration of new mechanical system layouts.
• Provide construction administration services, including responding to RFIs and reviewing shop drawings and submittals.
• Ability to perform QA/QC on drawings from drafters or designers on projects.
• Occasional travel to client/project sites.

Skills

Revit

AutoCAD

Communication

Teamwork

Detail oriented

Independent worker

Education

Associates degree in Engineering Technology

Tools

Microsoft Word

Excel

Job description

Overview

Colliers Engineering & Design is currently seeking a Senior Mechanical Designer to join our Building Engineering Services team in our Seattle, WA office. In this role you will work closely with engineers, and independently, to perform high level design work in addition to drafting and project related tasks on assigned projects. Transform designs into CADD produced drawings using appropriate software.

Overview

Colliers Engineering & Design is currently seeking a Senior Mechanical Designer to join our Building Engineering Services team in our Seattle, WA office. In this role you will work closely with engineers, and independently, to perform high level design work in addition to drafting and project related tasks on assigned projects. Transform designs into CADD produced drawings using appropriate software.

Colliers Engineering & Design is a trusted provider of multi-discipline engineering and architecture, design and consulting services to public and private sector clients. We specialize in providing a comprehensive suite of services including civil/site, architecture, transportation, survey/geospatial, infrastructure, governmental, geotechnical/environmental, telecommunications, utilities/energy and project management. We employ professionals who utilize the most advanced technologies to deliver customized solutions for our clients.

We provide a full range of mechanical engineering services to municipal, commercial, higher education and public works agencies, partnering with clients to design buildings from the ground-up or to renovate existing buildings to optimize their use. From designing new and renovated systems, to providing both new building commissioning and retro-commissioning services, count on our team to develop a building solution that is both cost-effective and achieves our clients’ goals.

Our engineers work with clients from concept through construction to create customized, cost-effective solutions that enhance the health, welfare, safety and comfort of building occupants. Our experts are skilled at reducing energy usage while creating comfortable interior environments. We understand sustainability and the importance of ensuring that high performance buildings perform as designed.

Our designs emphasize performance and are built with long-term facility operations in mind. Decisions are driven by objective data and in-depth client collaboration.

Responsibilities

• Design mechanical systems, including sizing, routing, and coordinating piping and ductwork with minimal supervision. Skilled in generating coordinated plan layouts from schematic flow diagrams.
• Coordinate designs with various disciplines, including civil, architectural, structural, electrical, and process engineering teams.
• Prepare construction drawings for bid sets, ensuring accuracy and compliance with company standards and project requirements.
• Mentor junior design staff by providing clear guidance, assigning specific tasks, and outlining expected outcomes.
• Conduct site investigations and fieldwork to assess existing facilities and ensure seamless integration of new mechanical system layouts.
• Provide construction administration services, including responding to RFIs and reviewing shop drawings and submittals.
• Ability to perform QA/QC on drawings from drafters or designers on projects.
• Occasional travel to client/project sites.
  
  

Qualifications

• High School Diploma, GED or certification from a technical school required.
• Associates degree in Engineering Technology or related field preferred.
• 8-10+ years of experience required.
• Familiar with commercial, institutional, healthcare, retail, and manufacturing facilities for private, government, municipal, industrial and institutional clients.
• Experience with industry standards (ASHRAE, ASPE).
• Experience with attending design meetings and review meetings with clients.
• Proficient in Autodesk Revit and AutoCAD.
• Proficient user of Microsoft Word and Excel.
• Excellent communication skills.
• Team player who is also able to work independently.
• Strong verbal and written communications skills.
• Ability to meet deadlines.
• Ability to understand and follow directions.
• Detail oriented.
• Ability to read, write and understand English for purposes of comprehending written job-related communications and verbal instructions and interactions.
  
  

Compensation: $78,500 to $104,400 per year (depending on qualifications)

What We Offer

At Colliers Engineering & Design, our people are our most important resource. That’s why we are committed to providing all our employees with a safe, comfortable work environment, potential for career advancement, and the ability to impact society through their projects as well as Company sponsored activities.

This dedication begins with supporting a work life balance through a generous compensation package that includes: company paid medical, dental, and vision coverage; paid pregnancy disability leave; short- and long-term disability insurance; life insurance; a company-matched 401(k)/Roth; paid time off that includes parental and military leave; employee referral and professional license bonuses and a straight time policy that compensates exempt employees for billable hours worked in excess of 40 billable hours within a work week.

We have also created an internal culture that provides the resources and technology needed to encourage personal and professional growth opportunities through reimbursement for education; a free in-house resource for hundreds of educational and self-enrichment courses; mentorship program; wellness program; Women’s Organization and ongoing philanthropic opportunities.

Apply today to learn how you can join our team of professionals, so we can help you Accelerate Your Success!