Christian John B. Estuesta
San Jose Del Monte, Bulacan
Summary
Experienced IT professional with 2 years as a ServiceNow developer and administrator. Possesses both functional and technical expertise in the ServiceNow platform, with a proven track record of successfully delivering small to medium-scale implementations. Holds multiple ServiceNow certifications, including Certified System Administrator, Certified Implementation Specialist in IT Service Management, and Certified Application Developer.
Overview
6
6
years of professional experience
1
1
Certification
Work History
ServiceNow Developer/Administrator (DevOps)
Accenture Inc
02.2021 - Current
- ServiceNow Developer/Administrator (October 2021 – Present)
- Configured various applications within the ServiceNow platform to improve process efficiency
- Customized workflows, forms, scripts, and UI policies, enhancing user experience
- Documented configuration processes and troubleshooting guidelines for training purposes
- Developed and maintained catalog items, including integrations via SOAP and REST APIs
- Application Support Engineer (July 2021 – September 2021)
- Managed Service Catalog tickets related to roles and user accounts in IAM Portal
- Resolved incidents as per ITIL standards using ServiceNow
- ServiceNow Bootcamp/Training (February 2021 – June 2021)
- Completed ServiceNow training and certification in platform fundamentals
Project Engineer
AHD Advance Communication System Inc.
04.2019 - 10.2020
- Conducted end-to-end transmission testing for Smart Network Elements (2G, 3G, 4G, 5G)
- Managed site access requests and coordinated service-affecting activities
On-the-Job Trainee
Philippine Telecommunications Company (PLDT Malate C.O.)
11.2018 - 02.2019
- Conducted testing, wiring, and troubleshooting of telephone lines/DSL
Education
Bachelor of Science - Computer Engineering
Universidad De Manila
Manila04-2019
High School -
Victorino Mapa High School
San Miguel, Manila04-2013
Skills
- ServiceNow Administration
- Application Development
- Web Based Scripting
- Incident Management
- Access Control
- Reporting & Analytics
- Support & Troubleshooting
- Knowledge management
- Release management
Certification
- ServiceNow Certified System Administrator
- ServiceNow Certified Implementation Specialist - IT Service Management
- ServiceNow Certified Application Developer
- ServiceNow Micro-Certifications in CMDB Health, DevOps Change Velocity, Flow Designer, Agile and Test Management, Automated Test Framework, and Predictive Intelligence.
Languages
- Filipino
- English
Personal Information
Date of Birth: 04/20/97
Timeline
ServiceNow Developer/Administrator (DevOps)
Accenture Inc
02.2021 - Current
Project Engineer
AHD Advance Communication System Inc.
04.2019 - 10.2020
On-the-Job Trainee
Philippine Telecommunications Company (PLDT Malate C.O.)
11.2018 - 02.2019
- ServiceNow Certified System Administrator
- ServiceNow Certified Implementation Specialist - IT Service Management
- ServiceNow Certified Application Developer
- ServiceNow Micro-Certifications in CMDB Health, DevOps Change Velocity, Flow Designer, Agile and Test Management, Automated Test Framework, and Predictive Intelligence.
Bachelor of Science - Computer Engineering
Universidad De Manila
High School -
Victorino Mapa High School
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