Senior Mechanical Engineer

Job Description

Job Description

Mechanical Engineer III

Location : Seattle Metro Area (Bellevue Office)

Employment Type : Full-Time | Hybrid Flexibility

About RTM Engineering Consultants

RTM Engineering Consultants isn't your typical MEP, Civil, and Structural engineering firm—we're a people-first, purpose-driven team dedicated to shaping spaces that improve lives. From coast to coast, we offer the horsepower of a national firm, paired with the personalized service and relationships of a local partner.

Our success stems from an unwavering commitment to collaboration, curiosity, and continuous improvement. At RTM, we invest in your professional growth with one-on-one mentoring, in-house technical training through RTM University, and a clear path for advancement. We believe engineering excellence starts with a supportive culture—and we've built just that.

Why You'll Love Working at RTM

A Culture That Values You : People-first mindset with respect, trust, and empowerment at the core.

Endless Learning : RTM University, mentoring from senior engineers, and cross-disciplinary collaboration.

Project Variety : Work on exciting mechanical system designs across commercial, healthcare, industrial, education, and civic markets.

Flexibility : Responsible Time Off (RTO), paid holidays, and flexible scheduling so you can design your best work-life balance.

Wellness & Security : Health, dental, vision, life insurance, 401(k) with matching, and profit sharing.

The Opportunity

We are hiring a Mechanical Engineer III who will be a key contributor to designing innovative HVAC and plumbing systems. In this role, you'll be responsible for developing technical solutions, leading mechanical design on multidisciplinary projects, and collaborating directly with clients, architects, and internal teams from concept through construction.

What You'll Do

Lead HVAC and mechanical design efforts from schematic design through construction administration

Create and review HVAC and plumbing systems drawings using AutoCAD and Revit

Perform load calculations , equipment selection , and energy analysis to support sustainable design

Oversee the preparation of accurate construction documents and specifications for permitting

Coordinate with other disciplines (civil, structural, electrical) to ensure seamless design integration

Communicate directly with clients, providing project updates, technical guidance, and coordination

Participate in QA / QC reviews to ensure high-quality deliverables

Mentor and support junior engineers and designers, promoting technical growth within the team

Assist in writing proposals and developing project scopes, schedules, and budgets

Provide on-site visits, punch list walkthroughs, and post-design construction support

What You Bring

Bachelor's degree in Mechanical Engineering

3–5 years of experience in mechanical systems design (HVAC, plumbing, and / or fire protection)

Strong proficiency with Revit , AutoCAD , and Microsoft Office Suite

Understanding of building codes , mechanical design standards , and construction documentation

Ability to lead projects and communicate effectively with clients, consultants, and internal teams

EIT or PE license preferred (or actively pursuing licensure)

Project management experience is a plus

Ability to travel occasionally (0–10%)

Compensation

Estimated Salary Range : $95,000 – $145,000, depending on experience and qualifications.

RTM offers a performance-driven culture with transparent paths to promotion and annual reviews.

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