Alan Castillo: Email & Phone Number

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Cyber Security Specialist at Defense Information Systems Agency|Capitol Heights, Maryland, United States

Position:

Cyber Security Specialist at Defense Information Systems Agency

Location:

Capitol Heights, Maryland, United States

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Last updated: 2026-03-01

Updated: 2026-03-01

Found email addresses for Alan Castillo:

Business emails:

a********o@disa.mil

Personal emails:

a***@leidos.com,

a***@gmail.com

Found phones for Alan Castillo:

+1-323-***-**57,

+1-205-***-**35,

+1-205-***-**31

A different Alan Castillo?

Work Experience 8 years

Cyber Security Specialist at Defense Information Systems Agency

Dec 2025 - Current

System Administration at General Dynamics Information Technology

Jun 2024 - Dec 2025

IT Specialist 3 at Leidos

Feb 2024 - Jun 2024

Civil Engineer Planner at Insight Global

Jun 2023 - Feb 2024

Facility Project Engineer Manager at United States Marine Corps

Oct 2022 - Jun 2023

Infantry Team Leader at United States Marine Corps

Aug 2018 - Oct 2022

Diplomat Marine Watch Standard at U.S. Department of State

Aug 2018 - Jul 2021

Alan Castillo started working in 2018, then the employee has changed 5 companies and 6 jobs. On average, Alan Castillo works for one company for 1 year 6 months.

Their professional focus is Airwatch, Asset Management, and Assured Compliance Assessment Solution (ACAS) across 3 core areas.

Education

Master of Computer Applications - MCA at Rasmussen University

Certificate at Syracuse University

Frequently Asked Questions

What is Alan Castillo's email address?

SignalHire found verified email addresses for Alan Castillo, both business and personal. Their business email is a********o@disa.mil, and personal emails include a***@leidos.com, and a***@gmail.com.

What is Alan Castillo's phone number?

SignalHire found multiple verified phone numbers for Alan Castillo: +1-323-***-**57, +1-205-***-**35, and +1-205-***-**31.

How do I contact Alan Castillo at Defense Information Systems Agency?

You can reach Alan Castillo through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is Alan Castillo's professional background?

Alan Castillo has 8 years of professional experience. They have held roles including System Administration, IT Specialist 3, and Civil Engineer Planner at companies such as General Dynamics Information Technology, Leidos, and Insight Global. Their education includes Master of Computer Applications - MCA from Rasmussen University, and Certificate from Syracuse University.

Is Alan Castillo's contact information up to date?

Yes. Alan Castillo's SignalHire profile was last updated on 1 March 2026, reflecting their current position as Cyber Security Specialist at Defense Information Systems Agency.

Alan Castillo Namesakes

Name

Company

Position

Alan Castillo

Grupo RosaNegra

Chef ejecutivo

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Alan Castillo

Protección En Vida S.C.

Analista de datos

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Alan Castillo

Freelance

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