Lee Nader

Lee Nader: Email & Phone Number

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Principal Cybersecurity Analyst at Critical Start|Dallas, Texas, United States

Position:

Principal Cybersecurity Analyst at Critical Start

Location:

Dallas, Texas, United States

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Last updated: 2026-07-23
Updated: 2026-07-23

Found email addresses for Lee Nader:

Business emails:
l****r@rczero.com,
l****r@choosegrapevinetx.com
Personal emails:
l******r@gmail.com

Found phone for Lee Nader:

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Work Experience 18 years

Principal Cybersecurity Analyst at Critical Start

May 2025 - Current

Senior Cybersecurity Analyst at Critical Start

Aug 2022 - Current

Systems Administrator at City of Grapevine

Mar 2021 - Aug 2021

Assoc. IT Specialist (Cyber Security) at Parsons Corporation

Aug 2019 - May 2020

Systems Integrator / Support at Independent Contractor

Mar 2013 - Aug 2019

Enterprise Support Specialist at Penson Financial Services

Mar 2010 - Mar 2013

Network Switching Systems Operator-Maintainer at US Army

Mar 2009 - Mar 2010

Enterprise Support Technician at Penson Financial Services

Sep 2008 - Mar 2009

Lee Nader started working in 2008, then the employee has changed 5 companies and 7 jobs. On average, Lee Nader works for one company for 2 years 2 months.

Their professional focus is Azure Sentinel, Back Office, and Business Analysis across 3 core areas.

Lee holds CompTIA Cybersecurity Analyst (CySA+) and CompTIA Security+ ce Certification certifications.

Education

Bachelor's degree at Duquesne University

Associate of Arts - AA at Community College of Allegheny County

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