Senior Mechanical Engineer

JHKelly, LLC; Seattle (WA); On-site; USD 115,000 - 145,000; Full time

Benefits offered by this job

Comprehensive Medical/Vision/Rx – Dental/Ortho Coverage

Paid Vacation and Holidays

401K with company match

Life Insurance, AD&D, STD & LTD

Annual Performance Bonuses

Profit Sharing

Job summary

JHKelly, LLC is seeking a Senior Mechanical Design Engineer in Seattle, WA, to lead HVAC design projects from concept through completion. You will conduct calculations, select equipment, and ensure high-quality designs for mechanical construction projects. The role requires over 10 years of experience, especially in healthcare facility design, proficiency in tools like Revit and AutoCAD, and strong communication skills. The position offers an annual salary range of $115,000 - $145,000 and a comprehensive benefits package.

Qualifications

• 10+ years of mechanical HVAC engineering design experience.
• Healthcare facility design experience required.
• Self-starter, motivated, and organized.

Responsibilities

• Lead engineering design direction from project conception to completion.
• Conduct engineering calculations and layout HVAC systems.
• Design HVAC systems utilizing modeling software.
• Work closely with project teams and communicate effectively.

Skills

HVAC design

Engineering fundamentals

Communication skills

Revit proficiency

AutoCAD proficiency

Bluebeam Revu proficiency

Education

BS in Engineering

Tools

Revit

AutoCAD

Bluebeam Revu

Job description

At JH Kelly, we’re looking for a driven, systems-thinking Senior Mechanical Design Engineerwho thrives on leading HVAC design direction from concept to completion—delivering coordinated, error-free designs for mechanical construction projects through calculations, equipment selection, and layouts for air handling, duct distribution, hydronic systems, pipe distribution, and central plants—while managing tight schedules and deadlines with precision. This is your chance to make a real impact. This role is for someone who brings energy, technical mastery, and collaborative leadership to the table every day.

About Us

Celebrating over a century of excellence, JH Kelly is a fourth-generation, family‑owned construction powerhouse known for tackling complex commercial and heavy industrial projects. With offices in Vancouver, Longview, Seattle, Bellingham, WA, and Milwaukie, OR, we’re an industry leader fueled by an award‑winning team committed to safety, quality, and a dynamic, tight‑knit culture.

Salary Range: $115,000 - $145,000 annually, based on experience and qualifications. (FLSA Exempt)

Benefits Package

• Comprehensive Medical/Vision/Rx – Dental/Ortho Coverage: JH Kelly pays 87.5% of total premiums.
• Paid Vacation and Holidays: Generous PTO model to support work‑life balance.
• 401K: 50% company match on the first 6% of employee contributions.
• Life Insurance, AD&DD, STD & LTD: Paid 100% by JH Kelly.
• Annual Performance Bonuses: Opportunity for additional compensation based on performance.
• Profit Sharing: Participate in JH Kelly’s profit‑sharing program. Averaging 9% of total compensation for the past 10 years.

Here’s a deeper dive into what you’ll take on

• Lead engineering design direction from project conception to completion, ensuring high-quality, fully coordinated designs that are free of errors and delivered on time.
• Conduct engineering calculations, specification, selection, and layout of HVAC systems, including air handling, duct distribution, hydronic systems, pipe distribution, and central plants.
• Design HVAC systems utilizing the latest modeling software, with complete proficiency in Revit, AutoCAD, and Bluebeam Revu.

Code Compliance & Sustainability

• Understand and complete code‑required energy compliance documentation.
• Apply working knowledge of industry building codes, standards, and sustainability metrics (LEED accreditation a plus).

Project Coordination & Communication

• Work closely with business development, estimators, project managers, supply chain, vendors, and operating groups on stand‑alone and integrated projects.
• Effectively and professionally communicate with project team members, customers, and vendors; answer design and installation questions for Project Management, Construction, Service, Controls, and other teams.
• Coordinate plumbing design and maintain basic working knowledge of plumbing systems.
• Visit job sites and perform job walks/inspections as needed.
• Manage time to meet project schedules and task deadlines in a fast‑paced environment with multiple concurrent projects.
• Demonstrate eagerness to learn, train for engineering proficiency, and mentor others.
• Perform additional tasks or projects as assigned.

What You Bring

• Experience: 10+ years of mechanical HVAC engineering design experience with a track record of performing design, calculations, equipment selection, and layout of mechanical HVAC systems. Basic plumbing engineering design experience preferred. Healthcare facility design experience required.
• Skills: Complete understanding of engineering fundamentals; fully proficient in Microsoft Office; familiar with load calculation software. Strong oral and written communication skills.
• Mindset: Self‑starter, motivated, organized, productive, and comfortable in a fast‑paced environment. Commitment to meeting design deadlines on time and error‑free.
• Tech Savvy: Experience leveraging Revit to deliver engineering design documentation; proficiency in AutoCAD & Bluebeam Revu.
• Education: BS in Engineering. PE preferred. LEED accreditation is a plus.
• Other: Valid driver’s license; ability to work overtime as needed.

Physical Requirements

May regularly lift and/or move up to 10 pounds, and occasionally lift and/or move up to 30 pounds. Specific vision abilities required include close vision and distance vision. The employee is regularly required to stand; use hands to finger, handle, or feel; reach with hands and arms; talk or hear; walk and sit; climb or balance; and stoop, kneel, crouch, or crawl (for purposes of assisting with project job walks and site inspections). The employee is occasionally required to reach above shoulder height to access storage cabinets and shelves. Reasonable accommodations are available to support individuals with disabilities.

Equal Opportunity Employer, including disabled and veterans.