Two to five years of experience supporting construction projects, preferably in mechanical construction, heating, ventilation, and air conditioning, plumbing, piping, or commercial construction; alternatively, a relevant four-year degree with internship, co-op, field, or project experience.
Comfort working around jobsites and communicating professionally with field teams.
Strong proficiency with Microsoft Office, especially Excel and Word.
Ability to stay organized and follow through across multiple priorities.
Ability to manage a mixed workload, including submittals, purchasing, permits, job walks, documentation, and project support.
Willingness to learn how the company operates.
Interest in long-term growth into Project Management and/or Estimating.
Responsibilities
Manage and track submittals, product data, requests for information, closeout documents, and project logs.
Assist with takeoffs, quantities, job costing, and estimating support as needed.
Support purchasing, including material ordering, lead times, delivery coordination, and vendor follow-up.
Build and maintain project documentation, files, turnover packages, and closeout materials.
Support job planning and scheduling.
Assist with permits, utility locates, and related project documentation as needed.
Create and maintain safety documentation, including safety plans, crane plans, and compliance records.
Attend job walks when needed, take photos, capture detailed notes, and verify field conditions.
Measure and verify field conditions to support mechanical, piping, plumbing, and heating, ventilation, and air conditioning coordination.
Use Bluebeam and AutoCAD for mechanical coordination work.
Communicate with project managers, field leaders, vendors, subcontractors, general contractors, and customers.
Desired Qualifications
Experience with Bluebeam.
Experience or coursework with Microsoft Project.
OSHA coursework or certifications, such as OSHA-10 or OSHA-30.
Familiarity with AutoCAD, especially for piping, plumbing, heating, ventilation, and air conditioning, or mechanical coordination.
Mechanical construction background through internships, field exposure, trade experience, or related coursework.
Familiarity with the Metro East / Greater St. Louis construction market.
Compensation & Benefits Base salary: $55,000–$70,000, depending on experience Comprehensive benefits package PTO and paid holidays Training and development opportunities Long-term growth path into Project Management and/or Estimating
Who We Are
Airco MEP is a leading commercial mechanical contractor based in Troy, Illinois, serving customers across the Metro East and Greater St. Louis market. We support complex mechanical construction projects with a focus on safety, quality, responsiveness, and accountability.
We operate with a hands-on team approach and are looking for people who are willing to learn, take ownership, and support projects from planning through closeout.
The Role
We are hiring a Project Engineer – Mechanical Construction to support our Project Managers across active commercial mechanical projects. This is an early-career role for someone who is hungry, detail-oriented, coachable, and interested in growing into a Project Manager and/or Estimator over time.
The ideal candidate will typically have 2–5 years of experience supporting construction projects, preferably in mechanical construction. We will also consider entry-level candidates with a relevant four-year degree, such as Construction Management, Mechanical Engineering, or a related field, if they have strong internship, co-op, field, or project exposure.
What You’ll Do
• Manage and track submittals, product data, RFIs, closeout documents, and project logs • Assist with takeoffs, quantities, job costing, and estimating support as needed • Support purchasing, including material ordering, lead times, delivery coordination, and vendor follow-up • Help build and maintain project documentation, files, turnover packages, and closeout materials • Support job planning and scheduling; Microsoft Project exposure is a plus • Assist with permits, utility locates, and related project documentation as needed • Create and maintain safety documentation, including safety plans, crane plans, and compliance records • Attend job walks when needed, take photos, capture detailed notes, and verify field conditions • Measure and verify field conditions to support mechanical, piping, plumbing, and HVAC coordination • Use tools such as Bluebeam; AutoCAD familiarity is a plus for mechanical coordination work • Communicate professionally with project managers, field leaders, vendors, subcontractors, general contractors, and customers
What We’re Looking For
• 2–5 years of experience supporting construction projects, preferably in mechanical construction, HVAC, plumbing, piping, or commercial construction • Or a relevant four-year degree in Construction Management, Mechanical Engineering, or a similar field with internship, co-op, field, or project experience • Comfortable around jobsites and able to communicate professionally with field teams • Strong proficiency with Microsoft Office, especially Excel and Word • High attention to detail, strong follow-through, and the ability to stay organized across multiple priorities • Ability to manage a mixed workload, including submittals, purchasing, permits, job walks, documentation, and project support • Coachable, adaptable, team-oriented, and willing to learn how Airco MEP runs work • Interest in long-term growth into Project Management and/or Estimating
Preferred Qualifications
• Bluebeam experience • Microsoft Project experience or coursework • OSHA coursework or certifications, such as OSHA-10 or OSHA-30 • AutoCAD familiarity, especially for piping, plumbing, HVAC, or mechanical coordination • Mechanical construction background through internships, field exposure, trade experience, or related coursework • Existing familiarity with the Metro East / Greater St. Louis construction market
Work Environment / Location
This is an in-office / on-site role based in Troy, Illinois, with local travel to project sites, job walks, and customer or project meetings across the Metro East and Greater St. Louis market.
Apply Today
If you are detail-oriented, coachable, comfortable around construction projects, and interested in building a long-term career in mechanical construction project management or estimating, we would like to hear from you.