Jefferson Arroyo: Email & Phone Number

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Cyber OT Security Manager at JTI|Metro Manila, Philippines

Position:

Cyber OT Security Manager at JTI

Location:

Metro Manila, Philippines

View Jefferson Arroyo's Email

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Last updated: 2026-06-07

Updated: 2026-06-07

Found email addresses for Jefferson Arroyo:

Business emails:

**@grundfos.com,

j**************o@ubs.com,

j**************o@jti.com

Personal emails:

d*******0@yahoo.com,

a****f@gmail.com

Found phone for Jefferson Arroyo:

+63-***-***-5662

A different Jefferson Arroyo?

Work Experience 22 years

Cyber OT Security Manager at JTI

May 2023 - Current

Security Operations Specialist at GRUNDFOS

Oct 2019 - May 2023

Network Security Engineer at Five9

Oct 2016 - Sep 2019

Network Infrastructure Engineer at White & Case LLP

Jul 2013 - Oct 2016

Network Operations Engineer at Verizon Business

Jun 2011 - Jul 2013

Senior Systems Executive at Cognizant

Jun 2010 - Jun 2011

Service Desk Engineer at Hewlett Packard Enterprise

Oct 2009 - Jun 2010

Process Specialist at Convergys

May 2006 - Oct 2009

Customer Service Representative at Convergys

Nov 2004 - May 2006

Jefferson Arroyo started working in 2004, then the employee has changed 7 companies and 8 jobs. On average, Jefferson Arroyo works for one company for 2 years 5 months.

Jefferson is proficient in Danish, English, and German. Their professional focus is 2nd Line IT Support, Active Directory, and Analytical Skills across 3 core areas.

Jefferson holds GIAC Response and Industrial Defense (GRID), ISA Cybersecurity Fundamentals Specialist, and GIAC Global Industrial Cyber Security Professional (GICSP) certifications.

Education

Bachelor of Science at Informatics Education Ltd.

Undergraduate at Mapua Institute of Technology

Frequently Asked Questions

What is Jefferson Arroyo's email address?

SignalHire found verified email addresses for Jefferson Arroyo, both business and personal. Their business email is **@grundfos.com, and personal emails include d*******0@yahoo.com, and a****f@gmail.com.

What is Jefferson Arroyo's phone number?

SignalHire found a verified phone number for Jefferson Arroyo: +63-***-***-5662.

How do I contact Jefferson Arroyo at JTI?

You can reach Jefferson Arroyo 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 Jefferson Arroyo's professional background?

Jefferson Arroyo has 22 years of professional experience. They have held roles including Security Operations Specialist, Network Security Engineer, and Network Infrastructure Engineer at companies such as GRUNDFOS, Five9, and White & Case LLP. Their education includes Bachelor of Science from Informatics Education Ltd., and Undergraduate from Mapua Institute of Technology.

Is Jefferson Arroyo's contact information up to date?

Yes. Jefferson Arroyo's SignalHire profile was last updated on 7 June 2026, reflecting their current position as Cyber OT Security Manager at JTI in Geneva, Switzerland.

Jefferson Arroyo Namesakes

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Company

Position

Thomas

REVSYS

Data Analyst

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Thomas

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Thomas

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