Dennis

Dennis: Email & Phone Number

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Information Security Administrator - C11 - Manager (Mainframe, Midrange, UNIX) at Citi|Taguig, National Capital Region, Philippines

Position:

Information Security Administrator - C11 - Manager (Mainframe, Midrange, UNIX) at Citi

Location:

Taguig, National Capital Region, Philippines

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Last updated: 2026-05-18
Updated: 2026-05-18

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Work Experience 8 years

Information Security Administrator - C11 - Manager (Mainframe, Midrange, UNIX) at Citi

Jan 2025 - Current

Information Security Administrator Analyst 2- C10 - Assistant Manager (Mainframe, Midrange, UNIX) at Citi

Nov 2022 - Dec 2024

Information Security Administrator Analyst 1- C09- Officer (GCG/GF/TPAM/Encryption) at Citi

Mar 2021 - Nov 2022

Software Engineer at Xorcas Corporation

Jan 2019 - Jul 2019

Software Engineer at Xorcas Corporation

Sep 2018 - Dec 2018

Dennis started working in 2018, then the employee has changed 1 company and 3 jobs. On average, Dennis works for one company for 1 year 2 months.

Their professional focus is Access Control, Administration, and Artificial Intelligence (AI) across 3 core areas.

Education

Bachelor of Science in Information System at De La Salle-College of Saint Benilde

Frequently Asked Questions

What is Dennis's email address?

SignalHire found a verified business email address for Dennis: **@citigroup.com.

What is Dennis's phone number?

SignalHire found a verified phone number for Dennis: +63-***-***-3438.

How do I contact Dennis at Citi?

You can reach Dennis 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 Dennis's professional background?

Dennis has 8 years of professional experience. They have held roles including Information Security Administrator Analyst 2- C10 - Assistant Manager (Mainframe, Midrange, UNIX), Information Security Administrator Analyst 1- C09- Officer (GCG/GF/TPAM/Encryption), and Software Engineer at companies such as Citi, Citi, and Xorcas Corporation. Their education includes Bachelor of Science in Information System from De La Salle-College of Saint Benilde.

Is Dennis's contact information up to date?

Yes. Dennis's SignalHire profile was last updated on 18 May 2026, reflecting their current position as Information Security Administrator - C11 - Manager (Mainframe, Midrange, UNIX) at Citi in New York, New York, United States.

Dennis Namesakes

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Dennis
Sales Engineering Manager
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Dennis Teo
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Yoogeun
Director of Strategic Planning
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