Senior Mechanical Engineering Designer

At Core States Group, the work you do matters to the clients we serve, the communities we support, and the teams who rely on one another to deliver with excellence. Our Cause is powerful: to create a world where all environments improve everyday life.

This role is paid on an hourly basis and is eligible for overtime in accordance with applicable laws. The expected approximate annualized compensation range is $85,000 - $120,000.

• COMPENSATION – Competitive wages and bonus programs
• RETIREMENT – We offer a great 401(k) match to help you invest in your future and grow your retirement savings with confidence.
• HEALTHCARE – Excellent health benefits, life insurance options, and supplemental benefit options, giving you the flexibility to choose the coverage that best fits your needs and lifestyle.
• VACATION – Generous PTO time to help you recharge, relax, and maintain a healthy work-life balance.
• PERKS – Team wellness challenges, Costco membership reimbursement, half‑day Fridays during summer months + much more!
• WORK‑LIFE BALANCE – A flexible work environment that supports a healthy work‑life balance, whether you’re in the office, working remotely, or somewhere in between.
• PAID PARENTAL LEAVE – Four weeks of fully paid parental leave to give you time to bond with your new addition and support your growing family.
• TUITION REIMBURSEMENT – Advance your education with support! We offer tuition reimbursement to support your learning journey.

Senior
Mechanical Engineering Designer supporting our Architecture and Engineering business unit, you will be responsible for designing and drafting mechanical engineering projects under the guidance of Mechanical Engineers/Project Managers. The scope of design will include HVAC, plumbing/piping, refrigeration, fire protection, and fuel systems. As part of a multi‑disciplined firm, you will coordinate with Site/Civil Engineers, Electrical Engineers, Structural Engineers, Architects, and Construction Project Managers.

You will be responsible for the production of mechanical engineering construction documents while adhering to client requirements, code requirements, and site adjustments.

• Assist with design tasks and reports under the direction of senior staff.
• Conduct site feasibility research and site visit investigations as well as generate reports/recommendations based on findings.
• Assist in maintaining task budgets.
• Coordinate and assist with addendums, RFIs and change orders.
• Assist in coordinating the work of a multi‑disciplined team throughout the design development and contract document phases of a project.
• Assist senior staff with the project approval process.
• Other related responsibilities as necessary to fulfill the objectives of this role.

We’re looking for talented professionals who are eager to grow their skills and contribute to high‑quality, meaningful work. If you’re driven, collaborative, and ready to take the next step in your career, we want to hear from you. The following qualifications will help you succeed in this role:

• Bachelor's degree in mechanical engineering
• 4+ years of experience with general building mechanical design production, preferably with commercial projects such as retail, restaurants, grocery, financial, and/or convenience stores.
• EIT preferred, not required.
• Revit, AutoCAD, MS Office required

This is a hybrid (1 or 2 days a week in the office) position based out of the following Core States Group offices:
Kent, Puyallup, or Bellevue, Washington.

Core States Group designs, builds, and manages programs and projects across North America and has been recognized on top lists throughout the architecture, engineering, and construction (A/E/C) industry. Established in 1999, the company offers integrated solutions with seamless continuity, and many of the world’s most notable brands count on Core States Group to deliver speed to market, cost certainty, and compelling design.

With 23 offices across the United States and Canada, Core States Group is an industry powerhouse that drives innovation and improves everyday life for countless people across several markets, including Convenience, Distributed Generation, Financial, Grocery, Housing, Industrial, Restaurants, Retail, Semiconductor, Tribal, Zero‑Emission Vehicle (ZEV) Infrastructure, and more. Visit us at

Please do not be concerned if you do not meet every requirement. At Core States, we are dedicated to building a diverse and inclusive workplace, so if you are excited about this role but your experience does not align perfectly with every qualification in the job description, we encourage you to apply anyway. You may be just the right candidate for this or other roles.

This position will remain open until it is filled.