Construction Assistant Project Manager

Looking to build a career in construction—not just start a job?
At McGrath, our Assistant Project Managers are hands-on, involved, and set up for long-term growth. You won’t be stuck doing paperwork—you’ll be part of real projects, real decisions, and real progress from day one.
We’re a 100% employee-owned construction manager and general contractor specializing in industrial, pharmaceutical, healthcare, energy, and complex commercial work—and we’re growing.
What you’ll actually be doing:
Supporting Project Managers and field teams on active construction projects
Reviewing plans, specs, and submittals
Coordinating with subcontractors and suppliers
Tracking project progress, schedules, and documentation
Helping solve jobsite challenges in real time
Learning how projects are built—from the ground up
Why Project Engineers choose McGrath:
Clear path to Project Manager – we promote from within
Employee-owned – your growth = company success
Hands-on experience – not stuck behind a desk all day
Strong mentorship – learn from experienced PMs and field leaders
Repeat clients + steady work – real projects, not constant chasing
What we’re looking for:
Degree in Construction Management, Engineering, or related field
OR field experience looking to move into an office role
Strong attention to detail and willingness to learn
Good communication skills and a team-first mindset
Ability to stay organized in a fast-paced environment
Someone who takes pride in doing things the right way
Bonus if you have:
Internship or co-op experience in construction
Experience reading construction drawings
Familiarity with Procore or similar tools
What you get:
100% paid family medical, dental, and vision
401(k) with company match + Roth option
Paid time off + holidays
Company-paid life and disability insurance
A long-term career path—not just a stepping stone
If you’re someone who wants to:
Learn quickly
Grow into a leadership role
Be part of a team that actually builds meaningful projects
We’d like to talk.
*McGrath is an Equal Opportunity Employer.
*This position is Safety Sensitive and Mandatory Substance Abuse testing per the St. Louis
Construction Industry Substance Abuse Consortium is required.
*Candidates must be authorized to work in the United States without current or future visa sponsorship.

Employment type
Full-Time

Work arrangement
No