Design Assistant Jobs in Renton, WA (NOW HIRING)

Stantec's Buildings team is on a mission to become the world's leading integrated design practice. Our architects, engineers, interior designers, consultants, sustainability specialists, and technologists are passionate about the power of design. Our collaborative culture and our innovative, sustainable approach to projects help us create buildings that matter to our world.
Together, we are enhancing the quality of life globally through design.
Join us and design your place with Stantec.
Stantec's Buildings team is on a mission to become the world's leading integrated design practice. Our architects, engineers, interior designers, consultants, sustainability specialists, and technologists are passionate about the power of design. Our collaborative culture and our innovative, sustainable approach to projects help us create buildings that matter to our world.
Together, we are enhancing the quality of life globally through design.
Join us and design your place with Stantec.
Your Opportunity
The Senior Plumbing Engineer is responsible for producing clear, accurate, and comprehensive engineering drawings and documentation for a wide range of building projects. In this role, you will lead the design of plumbing and piping systems-including domestic water, sanitary and storm drainage, medical gases, and specialty systems-while ensuring compliance with codes, standards, and project requirements. You will collaborate closely with multidisciplinary teams, coordinate with consultants and contractors, provide technical guidance to junior staff, and help maintain the high level of quality and consistency expected within our engineering practice.
Your Key Responsibilities

• Create and prepare designs for plumbing and medical gas systems.
• Able to perform water, waste, gas calculations as well as product specifications.
• Coordinate and prepare schematic design, design development, and construction documents.
• Design plumbing systems including water, sanitary, storm, diesel distribution, natural gas distribution, medical gas, and specialty lab gas systems.
• Incorporate sustainable design methods in buildings and prepare green rating system documentation.
• Assist in spatial coordination with architecture and other engineering systems.
• Deliver projects across multiple delivery models, including design/bid/build, design assist, design build.
• Process contractor submittals and RFIs.
• Perform on-site condition surveys.
• Provide mentoring and direction to junior members of the project team or engineering discipline.
• Use technology and methodologies to create innovative approaches to building design.
• Consistently strive to improve technical quality of work product by keeping abreast of new technologies, changes in building codes, and advances in the industry.
• Work collaboratively in a cross-discipline environment to produce integrated project documents and ensure integrated design approaches & solutions.
• Assist in the procurement of high-quality work; including marketing / proposal efforts and project interviews.
• Collaborate with multi-disciplinary teams on projects related to Government, Healthcare, Higher Education and Science & Technology.
• Maintain strong client relations as it pertains to project delivery and repeat business.
• Perform and maintain thorough QA/QC on all phases of projects.

Your Capabilities and Credentials

• Professional Engineering license required.
• Experience supervising a team of engineers.
• Maintain technical competence by staying current on appropriate codes and technologies.
• Proficient in the use of state-of-the-art tools for engineering design and documentation, including Revit.
• Thorough understanding of plumbing engineering systems.
• Expertise in an area of concentration, such as Datacenter, Advanced Manufacturing, Science & Technology and Healthcare.
• Monitors & manages project budgets to ensure cost effective delivery.
• Expertise in an area of concentration.
• Effective communication skills (written and oral);
• Demonstrated thoroughness in design coordination and contract document development in plumbing systems for commercial and/or industrial buildings.
• Demonstrated record of consistent quality work.
• Able to work with little or no supervision.
• Business development capabilities, commercial/financial awareness.
• Demonstrated knowledge in sustainable building design.
• Must have valid driver's license & a clean MVR.

Education and Experience

• Professional Degree in Mechanical Engineering or Architecture Engineering required.
• 10+ years of experience in plumbing design.

Typical office environment working with computers and remaining sedentary for long periods of time. Field work may include exposure to the elements including inclement weather.
This description is not a comprehensive listing of activities, duties or responsibilities that may be required of the employee and other duties, responsibilities and activities may be assigned or may be changed at any time with or without notice.
About Stantec
Stantec is a global leader in sustainable engineering, architecture, and environmental consulting. The diverse perspectives of our partners and interested parties drive us to think beyond what's previously been done on critical issues like climate change, digital transformation, and future-proofing our cities and infrastructure. We innovate at the intersection of community, creativity, and client relationships to advance communities everywhere, so that together we can redefine what's possible.
Pay Range:
• Locations in WA, DC & Various CA, MA areas-$126,400.00 - $189,600.00 Annually
Pay Transparency: In compliance with pay transparency laws, pay ranges are provided for positions in locations where required. Please note, the final agreed upon compensation is based on individual education, qualifications, experience, and work location. At Stantec certain roles are bonus eligible. Actual compensation for part-time roles will be pro-rated based on the agreed number of working hours per week.
Benefits Summary: Regular full-time and part-time employees (working at least 20 hours per week) have access to medical, dental, and vision plans, a wellness program, health saving accounts, flexible spending accounts, 401(k) plan, employee stock purchase program, life and accidental death & dismemberment (AD&D) insurance, short-term/long-term disability plans, emergency travel benefits, tuition reimbursement, professional membership fee coverage and paid family leave. Regular full-time and part-time employees will receive ten paid holidays in each calendar year. In addition, employees will be eligible to accrue vacation between 10 and 20 days per year and eligible for paid sick leave (and if more generous, in accordance with state and local law).
Temporary/casual employees have access to 401(k) plans, employee stock purchase program, and paid leave, in accordance with state and local law.
The benefits information listed above may not apply to union positions because benefits for such positions are governed by applicable collective bargaining agreements
Primary Location: United States | WA | Seattle
Other Locations: United States | WA | Lynnwood
Organization: 2048 Buildings-US Northwest-Seattle WA
Employee Status: Regular
Business Justification: New Position
Travel: Yes
Schedule: Full time
Job Posting: 05/05/2026 08:05:13
Req ID: 1005750
Stantec provides equal employment opportunities to all qualified employees and applicants for future and current employment and prohibit discrimination on the grounds of race, colour, religion, sex, national origin, age, marital status, genetic information, disability, sexual orientation, gender identity or gender expression. We prohibit discrimination in decisions concerning recruitment, hiring, referral, promotion, compensation, fringe benefits, job training, terminations or any other condition of employment. Stantec is in compliance with laws and regulations and ensures equitable opportunities in all aspects of employment. At Stantec we are committed to ensuring our recruitment process is accessible to all. If you require reasonable adjustments to be made during the recruitment process then please inform a member of our Talent Acquisition team.