Senior Mechanical Engineer

At JH Kelly
, we’re looking for a driven, systems-thinking Senior Mechanical Design Engineer
who 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.

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)

• 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.

• 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.

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

• 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.

• 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.…