Sonia Mantzouridou Onasi
Preconstruction Manager at Mega Contracting Group
- Role
- Preconstruction Manager at Mega Contracting Group
- Location
- Queens, NY, US
- LinkedIn followers
- 500 followers
About Sonia Mantzouridou Onasi
Mechanical Engineer with experience in managing multimillion restoration, affordable housing, energy, sustainable, and passive home projects throughout New York City. Highly skilled in team management and organization, Sonia motivates and pushes the team to work more efficiently and can successfully execute under pressure the project on time, budget, and schedule.
Experience
Preconstruction Manager
Jan 2026 — Present · NY, US
Lead pre construction strategy from initial concept through groundbreaking• Oversee site evaluation, scope definition, budgeting, and early estimating in coordination with internal teams• Guide development of preliminary schedules, logistics, and site safety strategies• Collaborate with architects, engineers, and trade partners to align design, cost, and constructability• Manage pre construction budgets and provide value engineering to support client goals• Serve as the primary point of contact during pre construction, ensuring alignment with owners and stakeholders• Support client meetings and presentations with strategic insights and recommendations• Coordinate internal teams to ensure a seamless transition from pre construction to construction
Education
New York University
Financing Affordable Housing, Real Estate Development
Stevens Institute of Technology
Bachelor of Engineering (B.E.), Mechanical Engineering
2011 — 2015
Stevens Institute of Technology
Master's degree, Mechanical Engineering (Product Design)
2014 — 2016
Skills
- Autocad
- Designing Framework for Parts
- Analysis
- Microsoft Project
- Testing
- Leadership
- Computer-Aided Design (Cad)
- Labview
- Teamwork
- Circuitry
- Project Management
- Solidworks
- Mechanical Engineering
- Public Speaking
- Ptc Pro/Engineer
- Laboratory Skills
- Creo Parametric
- Powerpoint
- Microsoft Excel
- Cad
- Engineering
- Matlab
- Pc Based Systems
- Part Assembly
- Microsoft Word
- Research
- Ptc Creo
- Sustainability
- Microsoft Office
- Data Analysis
- Soldering
- Management
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