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Salas O'Brien

Mid-Level Mechanical Engineer

Seattle, WA, United States
Bozeman, MT, United States

$95,000 to $115,000 USD / year

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Job details

Pay: $95,000 to $115,000 USD / year
Experience: 5+ years of experience designing HVAC systems for datacenters, telecom, or other high-tech / industrial facilities
Posting language: English
Posted: Nov 5, 2026

Original job description

Mid-Level Mechanical Engineer

At Salas O’Brien we tell our clients that we’re engineered for impact. This passion for making a difference applies just as much to our team as it does to our projects. That’s why we’re committed to living our values every day: inspiring, achieving, and connecting as shared owners of our success with a focus on a sustainable future.

Building for the long-term means that all of our team members can expect to work on amazing projects with a people-first approach to problem solving. It also means that each member of our team has truly limitless potential to build a unique, meaningful, and high-impact career - and they’ll receive great total rewards along the way.

About Us:

Founded in 1975, Salas O’Brien is an employee-owned engineering and professional services firm focused on achieving impact for our clients, our team, and the world. We know that tomorrow’s requirements are today’s opportunities, and we are here to design lasting solutions for pressing challenges.

We work across a variety of industries providing integrated engineering and consulting services. Our specialized experience includes design for data centers, healthcare, science and technology, high-rise buildings, clean energy, education, and other building types as well as structural and building sciences, infrastructure asset management, advanced robotics, and more.

Our technical expertise is paired with an exceptional team of business development, human resources, finance and accounting, information technology, and marketing professionals, all of whom play a key role in bringing our commitments to life every day.

Job Summary:

Our Seattle, WA/ office is seeking an exceptional mid-Level Mechanical Engineer to join us as we continue with our strong growth. In this exciting role, you will focus on the design of mechanical systems for new facilities, additions, and renovation projects, including HVAC systems (equipment specification, airside distribution, mechanical piping design, etc.), BMS controls, fuel storage, and plumbing. This will require providing technical leadership for the creation of construction drawings and specifications, existing system studies, and master planning efforts. The project clientele includes Data Centers, Telecom, Federal/DoD, and other highly sophisticated facilities.

In this role, you will:

Work with other Mechanical Engineers, designers, and BIM Specialists for complex design and construction documents.
Collaborate with teammates from other design disciplines to deliver a well-coordinated project.
Work independently on smaller projects with limited direction.
Develop marketing, project management, proposal-writing, and project management skills.
Visit project sites (local and across the U.S.) to gather information on existing conditions and review new work.
Conduct existing building surveys and documentation of existing HVAC systems
Develop system design calculations and selection of equipment for use in buildings
Perform Load/Energy calculations with a variety of software as dictated by Client standards.
Write/edit project specifications
Prepare detailed design documents, reports, and studies
Code compliance research
Provide construction administration services
Perform QA/QC of design work
Oversee and provide guidance to junior engineers
Take ownership and accountability of work.

Skills:

Ability to work on multiple projects in a fast-paced environment.
Demonstrated ability to work independently and take initiative to drive projects forward. Ability to work collaboratively in a team setting.
Desire to learn and grow.
Excellent organizational skills and attention to detail
Excellent written and verbal communication skills
Leadership ability and entrepreneurial spirit
Proficiency in Auto CAD, Revit, and MS Office
Ability to travel

Qualifications:

Bachelor’s degree in Mechanical Engineering or related field
Professional Engineer (PE) license preferred, but EIT acceptable
5+ years of experience designing HVAC systems for datacenters, telecom, or other high-tech / industrial facilities

Location: Seattle WA or Bozeman MT (Hybrid)

Travel: Up to 20%

Compensation & Benefits

The expected base salary range for this role is $95k to $115k USD per year. Actual compensation will be determined based on a number of factors including skills, experience, qualifications, and location.

This role is also eligible for performance-based bonuses, equity participation, and a comprehensive U.S.-based benefits package, including:

Medical, dental, and vision insurance
401(k) with company match
Paid time off and company holidays
Wellness programs and employee assistance resources
Professional development support

Equal Opportunity Employment Statement

Salas O’Brien provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state/provincial, or local laws. Salas O’Brien will accommodate the disability-related needs of applicants as required by law.

Third-Party Agency Notice Salas O’Brien does not accept unsolicited resumes from external recruiters or agencies. We only work with approved partners engaged directly by our Talent Acquisition team for specific searches. Unsolicited submissions will not be eligible for placement fees.

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More about this job

Skills

Sales
Mechanical systems
Building systems monitoring technology
Plumbing
Leadership
Building information modelling
Work independently
Project management
Documentation
Regulatory compliance
Research
Organizational skills
Attention to detail
Communication skills
Autodesk AutoCAD
Autodesk Revit
Microsoft Office
Mechanical engineering
P.Eng.
EIT

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