OSHADI PERERA
Staten Island,USA
Summary
A dedicated and proactive professional with a passion for contributing expertise in the construction industry while continuing to develop skills and knowledge. Experienced in Quantity Surveying, Estimating, and Project Management with a strong sense of responsibility, enthusiasm, and reliability. Proven ability to work effectively both independently and in team environments, consistently delivering high-quality results. Key areas of interest include Quantity Surveying, Construction Cost Management, Financial Management, Cost Control, Contract Administration, Project Management, and Construction Law & Arbitration.
Overview
6
6
years of professional experience
Work History
Construction Estimator
Concrete Systems Inc.
New Jersey
11.2024 - Current
- Working as an Estimator in Pre-Contract and Post-Contract Stages
- Conducted quantity take-offs and preparation of detailed cost estimates
- Prepared change orders, RFIs, and project documentation
- Attended pre-bid meetings and negotiation meetings
Construction Estimator, Project Manager, and Office Administrator
Liberty NY Restoration Inc.
New York
11.2022 - 09.2024
- Worked as an Estimator, Project Manager, and Office Coordinator
- Prepared and evaluated AIA payment applications
- Delivered comprehensive bid documents and detailed estimates
- Managed project cash flow and material procurement
- Negotiated with suppliers and subcontractors
- Performed quantity take-offs and monthly progress reporting
- Handled NYCHA projects valued at $17 million (exterior envelope and roofing)
- Prepared change orders, RFIs, and documentation
Project Quantity Surveyor – Post-Contract Department
QSQ Outsource (Pvt.) Ltd.
Sri Lanka
05.2020 - 05.2022
- Managed interim valuations, progress reporting, and variations
- Handled resource allocation and reconciliation
- Prepared monthly income records and procurement processes
- Evaluated final accounts, conducted value engineering
- Negotiated with suppliers and subcontractors
- Managed structural, architectural, MEP, and interior works
Quantity Surveyor – Pre-Contract Department (Qatar Projects)
QSQ Outsource (Pvt.) Ltd.
Sri Lanka
10.2019 - 05.2020
- Prepared estimates, BOQs, and tender documents for Qatar projects
- Supported financial budgeting, resource planning, and submissions
Assistant Quantity Surveyor – Procurement Department
Sanken Construction (Pvt.) Ltd.
Sri Lanka
07.2019 - 09.2019
- Supported procurement, vendor negotiations, and quantity take-offs
Intern – Quantity Surveyor
Sanken Construction (Pvt.) Ltd.
Sri Lanka
- Completed a 6-month internship in cost control, procurement, and surveying
Education
BSc (Hons) - Quantity Surveying
General Sir John Kotelawala Defence University
Sri Lanka01.2018
Advanced Diploma - Business Management
National Institute of Business Management
Sri Lanka01.2014
High School Diploma - Mathematics Stream
Anula Vidyalaya Nugegoda
Sri LankaSkills
- AutoCAD
- Cost-X Application
- PlanSwift
- MS Project
- Microsoft Word
- Microsoft Excel
- Microsoft PowerPoint
- Bluebeam Software
- Strong general knowledge of construction
- Excellent focus
- Initiative
- Problem-solving
- Highly organized
- Detail-oriented
- Strong oral communication
- Strong written communication
- Self-motivated
- Hardworking
- Creative thinker
- Leadership potential
- Ability to meet deadlines
- Skilled in financial management
- Skilled in database management
- Team player
- Strong reporting abilities
Familiar Documents
- AIA Contract Documents
- FIDIC Conditions of Contract for Construction (1st edition - 1999)
- Standard Method of Measurement of Building Works (SMM7)
- Detailed Measurement for Building Works (NRM2)
- Civil Engineering Standard Method of Measurement (CESMM3)
- Sri Lanka Standards Measurement of Buildings (SLS 573)
- ICTAD/SBD/01 & 02 Standard Bidding Document - Procurement of Works
- Building Schedule of Rates (BSR)
Alias
Dehiwala Liyanage Oshadi Perera
References
Besi Shabani, Freelance Construction Project Manager & Estimator, +1 (646) 992-1987, bshabani.nyc@gmail.com
Professional Qualifications Affiliations
Student Member, Institute of Quantity Surveyors Sri Lanka, SS3882
Research
Impact of Employee Turnover on Productivity of the Construction Projects in Sri Lankan Construction Industry, 2018
Timeline
Construction Estimator
Concrete Systems Inc.
11.2024 - Current
Construction Estimator, Project Manager, and Office Administrator
Liberty NY Restoration Inc.
11.2022 - 09.2024
Project Quantity Surveyor – Post-Contract Department
QSQ Outsource (Pvt.) Ltd.
05.2020 - 05.2022
Quantity Surveyor – Pre-Contract Department (Qatar Projects)
QSQ Outsource (Pvt.) Ltd.
10.2019 - 05.2020
Assistant Quantity Surveyor – Procurement Department
Sanken Construction (Pvt.) Ltd.
07.2019 - 09.2019
Intern – Quantity Surveyor
Sanken Construction (Pvt.) Ltd.
BSc (Hons) - Quantity Surveying
General Sir John Kotelawala Defence University
Advanced Diploma - Business Management
National Institute of Business Management
High School Diploma - Mathematics Stream
Anula Vidyalaya Nugegoda