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John Mark Casilisilihan

John Mark Casilisilihan


Senior Engineer

CEST, Incorporated


My Portfolio Highlights

My New Project

When Was the Golden Age of Video Games?

My New Course

Introduction to SQL

My New Certification

Data Analyst Associate

Innovative thinker, shaping the future through data intelligence.

My Work

Take a look at my latest work.


Try out AI


Introduction to SQL


Data Analyst Associate

My Certifications

These are the industry credentials that I’ve earned.

Data Analyst Associate

Data Analyst Associate

DataCamp Course Completion

Take a look at all the courses I’ve completed on DataCamp.

My Work Experience

Where I've interned and worked during my career.

CEST, Incorporated | Aug 2023 - Present

Technical Coordinator - Project Operations

- Directly reporting to the Vice President of Technical Solutions - Employing the Completed Staff Work approach to address escalated project concerns, seeking approval from the Vice President for activities like travel orders, cash advance requisitions, and staff delegations - Developing recommendations aimed at streamlining the operations of the five functional teams within the Technical Solutions Unit. These recommendations encompass guidelines for monitoring team and individual work progress, managing resource requests, and enhancing personnel development - Actively participating in the organization's ISO certification process as a member of the Internal Quality Audit Team
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CEST, Incorporated | Aug 2023 - Present

Senior Engineer I


CEST, Incorporated | Mar 2023 - Aug 2023

Technical Accounts Manager


CEST, Incorporated | Jan 2019 - Aug 2023

Civil Engineer

From Project Civil Engineer to Civil Engineer I, II, and III Deployed to several projects with varying roles and responsibilities, which generally include the following: 1. Project coordination: facilitate meetings, organize documents for repository filing and client submission, attend to (foreign and local) client concerns, and recommend solutions to challenges and issues during the project cycle 2. Report-writing: formulate reports for concept design, pre-feasibility study and feasibility study, preliminary and detailed engineering design reports, and field and site reports 3. Secondary data collection and processing: collect and process necessary and pertinent information, documents, and data from stakeholders and relevant agencies 4. Hydrology-related calculations: perform watershed delineation and characterization, rating curve and flow duration curve generation using 10-to-30-year daily streamflow recorded data using MS Excel, and map generation using GIS 5. Technical assistance: render support and technical assistance for consultants of different disciplines (hydrology, water supply, water resources, social, and institutional) 6. Conduct of fieldwork activities: conduct river flow measurements, location- tagging using handheld GPS, social survey, water sample collection, site assessment and investigation, primary data collection, and photo documentation, among others

Department of Public Works and Highways | Jun 2017 - Jul 2017


Completed 240 hours of internship in DPWH-Quezon City Second Engineering District Office that included site visits, surveying, and data encoding, among others.

My Education

Take a look at my formal education

Bachelor's Degree, Civil EngineeringUniversity of the Philippines | 2018

About Me

John Mark Casilisilihan

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