John David Castillo: Email & Phone Number

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Information Technology Help Desk Analyst at UMC|Waldorf, Maryland, United States

Position:

Information Technology Help Desk Analyst at UMC

Location:

Waldorf, Maryland, United States

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Last updated: 2026-07-03

Updated: 2026-07-03

Found email addresses for John David Castillo:

Business emails:

c***********n@morrisonhealthcare.com

Found phone for John David Castillo:

+1-***-***-1684

A different John David Castillo?

Work Experience

Information Technology Help Desk Analyst at UMC

Oct 2023 - Current

Kitchen Utility Associate at Morrison Healthcare

- Feb 2024

Lab Assistant/Tutor at College of Southern Maryland

Nov 2022 - Feb 2024

Assistant Retail Sales Manager at Beauty4U

Feb 2015 - Jul 2021

John David Castillo started working in 2015, then the employee has changed 3 companies and 3 jobs. On average, John David Castillo works for one company for 3 years 6 months.

Their professional focus is Account Management, Application Support Services, and Cable Management across 3 core areas.

John holds CompTIA Network Security Professional – CNSP Stackable Certification, CompTIA PenTest+ ce Certification, and CCNA certifications.

Education

Associate's degree at College of Southern Maryland

College of Southern Maryland

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