Xamantha Gayle Humawan
@xamanthagaylehumawan
I build accurate construction estimates and deadline-driven bids for US-based projects.
PhilippinesWhat I'm looking for
I've supported three US-based construction companies remotely, delivering quantity takeoffs, bid support, submittals, and project coordination across residential, educational, recreational, hospital, commercial, and office projects valued at $5 million.
At DMCI, I contributed to bids for 13 large-scale projects worth about $20 million and coordinated more than 100 suppliers and subcontractors to secure quotations and prepare cost estimates. My estimating work includes doors, windows, cladding, finishes, glasswork, and roofing.
I'm a Registered Civil Engineer who works confidently across US and Australian time zones using PlanSwift, Bluebeam Revu, Procore, and collaborative project tools. I also bring remote administrative support experience in scheduling, email management, meeting coordination, and deadline tracking.
Experience
Work history, roles, and key accomplishments
Remote Construction Estimator & Bid Coordinator
US-Based Clients
May 2026 - Aug 2026 (3 months)
Delivered remote estimating, bid support, and project coordination for three US-based construction companies, supporting residential, educational, recreational, hospital, commercial, and office projects. Managed quantity take-offs, bid preparation, and submittals using PlanSwift and Bluebeam Revu.
Cost Estimator
D.M. Consunji, Inc. (DMCI)
May 2025 - May 2026 (1 year)
Contributed to the bidding process for 13 large-scale construction projects, including cold storage facilities, a beverage production facility, thermal power plants, aircraft hangars, offshore structures, an e-commerce warehouse, a high-rise condominium, a global logistics warehouse, a government finance facility, a large mall complex, and a five-star luxury hotel. Managed and coordinated 100+ sup
Field Engineering Intern
D.M. Consunji, Inc. (DMCI)
May 2023 - Jul 2023 (2 months)
Prepared daily construction progress reports and conducted site inspections for quality and safety compliance. Used AutoCAD to produce as-built drawings for a high-rise condominium project.
Education
Degrees, certifications, and relevant coursework
Professional Regulation Commission (PRC)
Registered Civil Engineer, Civil Engineering
2024 - 2024
Licensed as a Registered Civil Engineer by the Professional Regulation Commission.
Mapua University
Bachelor of Science, Civil Engineering
2019 - 2024
Activities and societies: Academic Achievement Awardee; Specialization in Construction Engineering and Management
Pursued a Bachelor of Science in Civil Engineering with a specialization in Construction Engineering and Management. Earned the Academic Achievement Awardee distinction.
Coursera
Data Analysis with R, Data Analysis
2022 - 2022
Completed a certification in Data Analysis with R.
Coursera
Introduction to Programming with Matlab, Programming
2022 - 2022
Completed a certification in Introduction to Programming with Matlab.
Philippine School Doha
High School Diploma, High School
2017 - 2019
Grade: 90%+ GWA
Activities and societies: Laureola Awardee / Honor Student
Completed high school as an international student, achieving Laureola Awardee / Honor Student status with a 90%+ GWA.
Tech stack
Software and tools used professionally
Availability
Location
PhilippinesAuthorized to work in
Social media
Job categories
Skills
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