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Project Engineer, HVAC Tech ​/ Heating Engineer

Job in Oregon, Ogle County, Illinois, 61061, USA
Listing for: MacDonald-Miller Facility Solutions
Full Time position
Listed on 2026-01-23
Job specializations:
  • Engineering
    HVAC Tech / Heating Engineer
Salary/Wage Range or Industry Benchmark: 75000 - 95000 USD Yearly USD 75000.00 95000.00 YEAR
Job Description & How to Apply Below

Mac Donald-Miller Facility Solutions Pay Range

This range is presented by Mac Donald-Miller Facility Solutions. Your actual pay will be based on your skills and experience—talk with your recruiter to learn more.

Base Pay Range

$78,000.00/yr - $95,000.00/yr

About Mac Donald‑Miller Facility Solutions
At Mac Donald‑Miller Facility Solutions ("Mac Miller") we make buildings work better. As the Northwest’s leading mechanical contracting firm, we design, deliver and service HVAC, plumbing and automation system solutions for commercial buildings. With over one thousand employees across 10 offices, there is a breadth and variety of work to keep you engaged and inspired. We enjoy a well‑respected history of exceeding our customers’ expectations and executing with distinction.

Our clients trust us with their toughest projects through integrated teams, including:

  • New construction – engineering, fabrication and installation of mechanical systems for new projects following lean construction practices
  • Special projects – retrofits and mechanical repairs for existing buildings to create new efficiencies
  • Service – scheduled preventative maintenance ensuring tenant comfort and 24/7 emergency response
  • Building performance – control systems, fault detection, energy services and remote monitoring
  • Performance contracting – acting as the prime contractor, we deliver design–build energy‑efficient solutions for private and public sector clients

People love to work at Mac Donald‑Miller because we share the same core culture values. They include:

  • Collaboration – diverse players, one team, a common vision. Collaboration is our foundation and critical to our success.
  • Dedication – we are dedicated to personal and professional excellence, executing with distinction by doing the right thing and following through on our commitments.
  • Safety – everyone deserves a safe workplace. Safety is more than hard‑hats and boots; it’s an attitude and the environment we create.
  • Community – we are proud to be part of Mac Donald‑Miller. We actively build relationships and know each other as individuals.
  • Innovation – we are committed to continuous, creative problem‑solving, staying an industry leader.
  • Fun – we take our work seriously while never taking ourselves too seriously, creating a welcoming, caring, and trusting environment.
Project Engineer

We’re seeking Project Engineers who thrive in a team environment, working alongside both office and field employees to deliver large‑scale projects. Whether you’re creatively tackling the challenges of renovating an existing system or helping a brand‑new building come to life, you’ll play a key role in driving project success.

Top 3 Things to Deliver in the First Year
  • Master HVAC and plumbing systems – deepen your expertise by studying systems and learning from highly skilled professionals.
  • Support project execution – assist with preparing subcontracts, purchase orders, project correspondence, field questions and job write‑ups.
  • Manage scheduling and logistics – oversee job progress by tracking equipment and material deliveries to ensure projects stay on schedule.
Your Background

You should have
:

  • A proven ability to deliver high‑quality, detail‑oriented work—whether in school, extracurriculars or previous jobs.
  • A strong interest in and natural aptitude for mechanical systems.
  • A bachelor’s degree in mechanical engineering, construction management or a related field—or equivalent experience.

And everyone you work with should describe you as
:

  • Highly motivated and hardworking
  • Collaborative and easy to work with
  • Adaptable and quick to adjust to changing priorities
  • Skilled at balancing attention to detail with a big‑picture perspective

And you should be motivated by
:

  • Seeing a large project come to life—balancing day‑to‑day tasks with long‑term goals.
  • Taking initiative to learn and solve problems independently—this isn’t the place for hand‑holding or micromanagement.
  • Thriving in a fast‑paced, results‑driven environment where you’re encouraged to take on more and achieve more each year.
  • Enjoying a fun, transparent workplace that values innovation and fosters a supportive, team‑oriented culture.
Benefits

Compensation – $75,000 to $95,000…

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