Dionicio Concepcion

Dionicio Concepcion: Email & Phone Number

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Senior Mainframe Security (IAM) at Tata Consultancy Services|New York, New York, United States

Position:

Senior Mainframe Security (IAM) at Tata Consultancy Services

Location:

New York, New York, United States

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Last updated: 2025-08-08
Updated: 2025-08-08

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Work Experience 30 years

Senior Mainframe Security (IAM) at Tata Consultancy Services

Feb 2024 - Current

Access/Security Administrator at Bold View Labs

Mar 2019 - Feb 2024

RACF Access Management Administrator at U.S. Office of Personnel Management (OPM)

Feb 2018 - Mar 2019

Information Assurance Engineer at Federal Bureau of Investigation (FBI)

Apr 2014 - Feb 2018

USMC Mainframe Enterprise Cyber Security Officer at Marine Corps Recruiting

Mar 2012 - Mar 2014

Mainframe Security Administrator at Wells Fargo

May 2011 - Dec 2011

Access/Security Administrator at MTK Entertainment, Inc.

Oct 2009 - May 2011

Mainframe Security Administrator at Freddie Mac

Jul 2007 - Oct 2009

Mainframe Security Administrator at AIG

Feb 2005 - Jul 2007

Senior Computer Operator at CDC IXIS North America, Inc.

Sep 2000 - Jan 2005

Mainframe Computer Operator at Securities Industry Automation Corporation (SIAC)

Jul 1996 - Sep 2000

Dionicio Concepcion started working in 1996, then the employee has changed 10 companies and 7 jobs. On average, Dionicio Concepcion works for one company for 2 years 8 months.

Their professional focus is Access Management, Active Directory, and Asset Management Analyst across 3 core areas.

Education

AAS degree in Computer Science at Borough of Manhattan Community College

Applied Computer Technology at Business Automation School

Frequently Asked Questions

What is Dionicio Concepcion's email address?

SignalHire found a verified business email address for Dionicio Concepcion: d****************n@tcs.com.

What is Dionicio Concepcion's phone number?

SignalHire found a verified phone number for Dionicio Concepcion: +1-***-***-2847.

How do I contact Dionicio Concepcion at Tata Consultancy Services?

You can reach Dionicio Concepcion 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 Dionicio Concepcion's professional background?

Dionicio Concepcion has 30 years of professional experience. They have held roles including Access/Security Administrator, RACF Access Management Administrator, and Information Assurance Engineer at companies such as Bold View Labs, U.S. Office of Personnel Management (OPM), and Federal Bureau of Investigation (FBI). Their education includes AAS degree in Computer Science from Borough of Manhattan Community College, and Applied Computer Technology from Business Automation School.

Is Dionicio Concepcion's contact information up to date?

Yes. Dionicio Concepcion's SignalHire profile was last updated on 8 August 2025, reflecting their current position as Senior Mainframe Security (IAM) at Tata Consultancy Services in Mumbai, Maharashtra, India.

Dionicio Concepcion Namesakes

Name
Company
Position
Dionicio Concepcion
Mainframe Security Administrator (RACF & IBM zSecure – CSX Project)
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