Job Description:

Holaday-Parks is seeking an experienced Design Engineer to support the design and execution of complex commercial and industrial mechanical construction projects. This role is best suited for an engineer who has developed a strong technical foundation in HVAC system design and is comfortable contributing meaningfully to projects with increasing autonomy.

The Design Engineer will support design-build and design-assist projects, collaborating closely with project management, estimating, and field teams to deliver high-performance mechanical systems. This individual should be capable of managing assigned scopes of work, resolving technical challenges, and operating independently once oriented to project standards and processes. This position supports large-scale and schedule-driven projects and requires a proactive, solutions-oriented mindset.

Essential Functions:

• Develop HVAC and mechanical system designs for commercial and industrial projects
• Perform heating and cooling load calculations and equipment sizing
• Prepare mechanical layouts, ductwork and piping schematics, and coordinated Revit models
• Review drawings, specifications, and contract documents
• Participate in design-assist and design-build coordination meetings
• Collaborate with estimating during preconstruction phases
• Support constructability reviews and value engineering efforts
• Review technical submittals and assist with complex RFIs
• Coordinate with project managers, field leadership, general contractors, and owners
• Ensure compliance with applicable building codes, energy standards, and project requirements
• Support project timelines in fast-paced, schedule-driven environments

Qualifications and Education:

·       Bachelor’s degree in Mechanical Engineering

·       4+ years of experience in mechanical (HVAC) design within commercial or industrial construction

·       PE license preferred or actively preparing to sit for the PE exam

·       Proficiency in Revit and AutoCAD

·       Strong understanding of mechanical codes and energy standards

·       Experience in design-build or design-assist project delivery

·       Ability to manage multiple projects simultaneously

·       Strong problem-solving and communication skills

·       Experience supporting large-scale or mission-critical facilities

·       EIT certification

·       Familiarity with Bluebeam and project coordination software

·       Experience collaborating directly with field installation teams

Work Environment:

·       Office-based in Tukwila, WA

·       Occasional site visits as needed

·       Collaborative, team-oriented environment supporting active construction projects

What We Offer:

·       Holaday-Parks, Inc., offers an excellent salary and benefits package—paying 100% of medical/vision/dental, and prescription premiums for employees.

Salary Range:

·       $100,000-$125,000 DOE

If interested in applying, please submit your cover letter and resume to