Jhon Marc David Sales
Construction Estimator
Summary
Rea Maglonzo
Talent Acquisition Specialist
Dedicated Construction Estimator with extensive experience in preparing accurate cost estimates, performing detailed material takeoffs, and managing bid processes for construction projects. Proficient in analyzing project plans, blueprints, and specifications. Skilled in utilizing industry-standard software including ProEst, Planswift, and Bluebeam Revu to ensure competitive and precise bid submissions.
Skills
Cost EstimationConstruction ManagementProject ManagementCommunicationLeadershipPlumbing DesignArchitectural Design
Tools
Microsoft OfficeAutodesk (AutoCAD, Revit)SketchUpPlanswiftBluebeam RevuProEstBuilding ConnectedGoogle WorkspaceClickup
Experience
Construction Admin
Warrior Construction
Nov 2024 - Present
- Reviewed project plans and specifications to understand scope
- Analyzed blueprints for accurate time, labor, and cost estimates
- Performed detailed material takeoffs from all construction divisions
- Used ProEst for comprehensive cost estimation and bid preparation
- Prepared cost comparisons and value engineering recommendations
- Submitted estimates and bids within strict project deadlines
- Managed subcontractor bids and maintained vendor relationships
- Maintained organized records of all estimates, bids, and proposals
⭐ Core Skills: Cost Estimation, Quantity Takeoffs, Bid Preparation, Blueprint Analysis, Subcontractor Management, Value Engineering.
🔧 Tools Used: ProEst, Building Connected, Microsoft Office 365 / Suite, Google Workspace.
Estimator
Artistic Framers
Dec 2023 - Dec 2024
- Reviewed project plans to understand the full scope of work
- Analyzed blueprints to prepare time, cost, and labor estimates
- Performed interior material takeoffs, listing all required items
- Ensured all quantities were accurate and matched specifications
- Submitted estimates and competitive bids within specified time limits
- Compared quotes to select cost-effective and quality options
- Maintained accurate records of all estimates and communications
- Liaised with project managers, team members, and clients
⭐ Core Skills: Cost Estimation, Quantity Takeoffs, Bid Preparation, Blueprint Analysis, Project Coordination.
🔧 Tools Used: Microsoft Office 365 / Suite, Google Workspace.
Project In-charge/Project Engineer
Efficiency Engineering
Jun 2022 - Jan 2024
- Prepared comprehensive construction cost estimates for building projects
- Analyzed historical data and market trends for competitive bids
- Oversaw construction activities to ensure smooth execution
- Reviewed technical drawings for adherence to project specifications
- Monitored materials and work for quality standard compliance
- Generated daily and weekly progress reports and documentation
- Drafted shop drawings and 3D models using CAD software
- Prepared and submitted as-built drawings reflecting field changes
⭐ Core Skills: Cost Estimation, Project Management, Quality Control, Technical Drawing Review, CAD Drafting.
🔧 Tools Used: Autodesk (AutoCAD, Revit), Microsoft Office 365 / Suite.
Roofing Estimator/Personal VA
Best Roofing
Aug 2023 - Dec 2022
- Conducted comprehensive takeoffs for roof construction projects
- Estimated costs for roof replacements and shingle installations
- Submitted estimates and bids within specified time limits
- Ensured all material quantities were accurate and to spec
- Verified all estimates complied with industry standards
- Created and customized WordPress websites for clients
- Managed social media engagement, responding to inquiries
⭐ Core Skills: Cost Estimation, Quantity Takeoffs, Bid Preparation, Roofing Systems.
🔧 Tools Used: Microsoft Office 365 / Suite, Google Workspace.
Internship
L.V Ledesma Construction, Inc.
Apr 2021 - Jun 2021
- Assisted Site Engineer in overseeing construction activities
- Estimated and created the bill of quantities for works
- Created cutting lists for reinforcing bars for beams and columns
- Assisted purchasing by checking and logging material requisitions
- Generated master construction schedule using a Gantt Chart
⭐ Core Skills: Quantity Estimation, Bill of Quantities, Material Requisition, Project Scheduling.
🔧 Tools Used: Microsoft Office 365 / Suite.
Construction Admin
Warrior Construction
Nov 2024 - Present
- Reviewed project plans and specifications to understand scope
- Analyzed blueprints for accurate time, labor, and cost estimates
- Performed detailed material takeoffs from all construction divisions
- Used ProEst for comprehensive cost estimation and bid preparation
- Prepared cost comparisons and value engineering recommendations
- Submitted estimates and bids within strict project deadlines
- Managed subcontractor bids and maintained vendor relationships
- Maintained organized records of all estimates, bids, and proposals
⭐ Core Skills: Cost Estimation, Quantity Takeoffs, Bid Preparation, Blueprint Analysis, Subcontractor Management, Value Engineering.
🔧 Tools Used: ProEst, Building Connected, Microsoft Office 365 / Suite, Google Workspace.
Estimator
Artistic Framers
Dec 2023 - Dec 2024
- Reviewed project plans to understand the full scope of work
- Analyzed blueprints to prepare time, cost, and labor estimates
- Performed interior material takeoffs, listing all required items
- Ensured all quantities were accurate and matched specifications
- Submitted estimates and competitive bids within specified time limits
- Compared quotes to select cost-effective and quality options
- Maintained accurate records of all estimates and communications
- Liaised with project managers, team members, and clients
⭐ Core Skills: Cost Estimation, Quantity Takeoffs, Bid Preparation, Blueprint Analysis, Project Coordination.
🔧 Tools Used: Microsoft Office 365 / Suite, Google Workspace.
Project In-charge/Project Engineer
Efficiency Engineering
Jun 2022 - Jan 2024
- Prepared comprehensive construction cost estimates for building projects
- Analyzed historical data and market trends for competitive bids
- Oversaw construction activities to ensure smooth execution
- Reviewed technical drawings for adherence to project specifications
- Monitored materials and work for quality standard compliance
- Generated daily and weekly progress reports and documentation
- Drafted shop drawings and 3D models using CAD software
- Prepared and submitted as-built drawings reflecting field changes
⭐ Core Skills: Cost Estimation, Project Management, Quality Control, Technical Drawing Review, CAD Drafting.
🔧 Tools Used: Autodesk (AutoCAD, Revit), Microsoft Office 365 / Suite.
Roofing Estimator/Personal VA
Best Roofing
Aug 2023 - Dec 2022
- Conducted comprehensive takeoffs for roof construction projects
- Estimated costs for roof replacements and shingle installations
- Submitted estimates and bids within specified time limits
- Ensured all material quantities were accurate and to spec
- Verified all estimates complied with industry standards
- Created and customized WordPress websites for clients
- Managed social media engagement, responding to inquiries
⭐ Core Skills: Cost Estimation, Quantity Takeoffs, Bid Preparation, Roofing Systems.
🔧 Tools Used: Microsoft Office 365 / Suite, Google Workspace.
Internship
L.V Ledesma Construction, Inc.
Apr 2021 - Jun 2021
- Assisted Site Engineer in overseeing construction activities
- Estimated and created the bill of quantities for works
- Created cutting lists for reinforcing bars for beams and columns
- Assisted purchasing by checking and logging material requisitions
- Generated master construction schedule using a Gantt Chart
⭐ Core Skills: Quantity Estimation, Bill of Quantities, Material Requisition, Project Scheduling.
🔧 Tools Used: Microsoft Office 365 / Suite.
Education
Bachelor of Science in Civil Engineering
Ateneo de Davao University
2018–2022
Bachelor of Science in Environmental and Sanitary Engineering
National University, Manila City
2023–Present
Bachelor of Science in Civil Engineering
Ateneo de Davao University
2018–2022
Bachelor of Science in Environmental and Sanitary Engineering
National University, Manila City
2023–Present
Certifications & Training Courses
Get Ninja Executive Assistant Training Program
Get Ninja Inc.
- Client-First Ownership & Professional Standards: Trained to operate with full accountability, proactive problem-solving, and a client-first mindset. Emphasis on anticipating needs, maintaining discretion, and consistently improving efficiency and outcomes.
- Executive Support & Operational Excellence: Developed the skills to support executives at a strategic level, including calendar and inbox management, task prioritization, documentation, research, and cross-functional coordination in fast-paced environments.
- Technology & AI-Enabled Productivity: Hands-on training in using modern productivity tools and AI to enhance research, writing, data organization, and workflow optimization. Focus on applying technology responsibly with strong human judgment.
- Real-World Scenarios & Performance Validation: Training completed through scenario-based exercises and practical assessments, demonstrating readiness to deliver high-impact executive support from day one.
