David Arruda: Email & Phone Number

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Presales Engineer at Ajax Systems|Guarulhos, São Paulo, Brazil

Position:

Presales Engineer at Ajax Systems

Location:

Guarulhos, São Paulo, Brazil

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Last updated: 2026-06-22

Updated: 2026-06-22

Found email addresses for David Arruda:

Business emails:

**@ajax.systems,

d**********a@securicenter.com.br,

a******d@ajax.systems

Personal emails:

a**********d@hotmail.com

Found phone for David Arruda:

+55-***-***-9055

A different David Arruda?

Work Experience 30 years

Presales Engineer at Ajax Systems

Oct 2025 - Current

Regional Sales Manager at Johnson Controls Security Products

Jul 2023 - Aug 2025

Country Manager at Observit

Sep 2014 - Aug 2023

Regional Sales Manager - Visonic / DSC at Tyco

Apr 2011 - Aug 2014

Product Manager at Securicenter

Jan 1996 - Jan 2011

David Arruda started working in 1996, then the employee has changed 4 companies and 4 jobs. On average, David Arruda works for one company for 6 years.

Their professional focus is Access Control, Alarm Systems, and Biometrics across 3 core areas.

Education

MBA at FGV - Fundação Getúlio Vargas

Uninove - Universidade Nove de Julho

Technical at ETE São Paulo

David Arruda Namesakes

Name

Company

Position

DAVID ARRUDA

Vivace Conceito

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David Arruda

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Office Of The Customer / Advocacy Champion

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David Arruda

Escola Politécnica da USP

Undergraduate Researcher – Attitude Determination and Control Systems (ADCS)

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