Daniel Barrera
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Daniel Barrera Email & Phone Number

Experienced Endpoint Security Engineer with a strong track record in threat mitigation and risk management. Proven ability to safeguard systems and enhance security protocols. at City National Bank
Location: Diamond Bar, California, United States 4 work roles
2 work emails found @onewestbank.com LinkedIn matched
✓ Verified July 2026 3 data sources Profile completeness 71%

Contact Signals · 2 work emails

Work email d****@onewestbank.com
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Current company
Role
Experienced Endpoint Security Engineer with a strong track record in threat mitigation and risk management. Proven ability to safeguard systems and enhance security protocols.
Location
Diamond Bar, California, United States
Company size

Who is Daniel Barrera? Overview

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Quick answer

Daniel Barrera is listed as Experienced Endpoint Security Engineer with a strong track record in threat mitigation and risk management. Proven ability to safeguard systems and enhance security protocols. at City National Bank, a with 4733 employees, based in Diamond Bar, California, United States. AeroLeads shows a work email signal at onewestbank.com and a matched LinkedIn profile for Daniel Barrera.

Daniel Barrera previously worked as Cyber Technology - Endpoint Security Operations at City National Bank and Information Security Specialist at Unical Aviation Inc..

Company email context

Email format at City National Bank

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{first}.{last}@onewestbank.com
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Profile bio

About Daniel Barrera

Daniel Barrera is a Experienced Endpoint Security Engineer with a strong track record in threat mitigation and risk management. Proven ability to safeguard systems and enhance security protocols. at City National Bank.

Current workplace

Daniel Barrera's current company

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City National Bank
City National Bank
Experienced Endpoint Security Engineer with a strong track record in threat mitigation and risk management. Proven ability to safeguard systems and enhance security protocols.
los angeles, california, united states
Website
Employees
4733
AeroLeads page
4 roles

Daniel Barrera work experience

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Cyber Technology - Endpoint Security Operations

Current

Los Angeles Metropolitan Area

Aug 2022 - Present

Information Security Specialist

City Of Industry, California, United States

• Worked to maintain ISO 27001 certification as well as accompanying internal Security Policies and Procedures.• Monitor and tend to the company’s hosts via Crowdstrike EDR and Symantec Endpoint manager by remediating incidents and creating rules and policies to create a more secure environment.• Coordinated and recorded all IT-related Incident Reports by including detailed timelines and remediation actions taken to bring the company status back to full production.• Performed vulnerability scanning using Tenable and recorded Critical and High vulnerability remediation month to month• Created Deployment Packages to update workstations and servers using reports gathered from Tenable and other patch management tools.• Utilized O365 Security and Compliance Admin Center to purge malicious emails that made it through the company’s email filtering to better protect the integrity of our user’s mailboxes.• Managed the company’s Cyber Awareness training platform to send out monthly training videos to all employees, record user engagement and pass/fail rates and report the information to the Information Technology Director.• Tracked and recorded various KPI’s in compliance with ISO 27001 and reported it to company stakeholders on an annual basis.• Played a key part in the company’s Data Protection and Privacy project by identifying major stakeholders, coordinating meeting/schedules, and creating documentation as needed to comply with CCPA and GDPR.• Managed and created Corrective Action logs for all non-compliances found during internal and external audits.• Retained previous responsibilities as an IT Desktop Specialist.

Mar 2020 - Aug 2022

It Desktop Specialist

City Of Industry, California, United States

• Provided technical support for internal/external employees and company contractors. Support was provided by various methods: Calls, Emails, Ticketing systems, and in-person assistance.• Provided troubleshooting for network-related issues encountered by users and escalated where it was required to provide swift solutions for the user.• Maintain and create technical KB documents as required for both PC hardware and software setup/issues, resolution of customer incidents and service requests.• Maintain a log for receiving, logging and managing calls from internal staff through the use of ManageEngine Ticketing system.• Follow up on outstanding requests and ensure timely resolution• Create accounts in Active Directory and configure hardware as part of on-boarding process• Manage and monitor internal assets to ensure accurate inventory records• Manage Microsoft Office365 services and monitor logs through the Cisco Email Security Appliance.• Install and configure end-user computers with the appropriate hardware and networking components.• Analyze hardware, software, and network issues using diagnostic tools, troubleshooting procedures, and provide excellent analytical skills.

Aug 2016 - Mar 2020

It Help Desk Analyst

Onewest Bank

● Work under strict timelines and with management to complete special projects and daily dutiesthrough exceptional multitasking● Recognize the needs of users and provide assistance with submitting requests for variousbanking applications: FIS, AD, Black Knight Financial Services, RSA PIN, zOriginate Credit CardApplication, Blackberry Activations● Provide detailed tracking and follow-up information and subsequent support to end-user calls,emails, and self-help requests● Act in accordance with security protocols set forth by a financial institution● Supply MS Office technical support to onshore and offshore users● Analyze and troubleshoot software issues and communicate information to Tier2/3 teams asneeded to provide best/prompt support to clients● Identify and resolve issues pertaining to VPN for remote clients● Provide OneWest Bank vendors with internal application support● Create and publish documentation with step-by- step instructions for problem-solving techniqueson a department knowledgebase● Communicate and work with outside IT-support groups (tier 1, 2, and/or 3) to assist internal andexternal users● Prioritize and escalate issues where required with detailed justifications● Install, configure, and modify hardware and software to comply with company standards● Plan and lead training sessions for new and existing helpdesk representatives

Oct 2011 - Jul 2016
Team & coworkers

Colleagues at City National Bank

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FAQ

Frequently asked questions about Daniel Barrera

Quick answers generated from the profile data available on this page.

What company does Daniel Barrera work for?

Daniel Barrera works for City National Bank.

What is Daniel Barrera's role at City National Bank?

Daniel Barrera is listed as Experienced Endpoint Security Engineer with a strong track record in threat mitigation and risk management. Proven ability to safeguard systems and enhance security protocols. at City National Bank.

What is Daniel Barrera's email address?

AeroLeads has found 2 work email signals at @onewestbank.com for Daniel Barrera at City National Bank.

Where is Daniel Barrera based?

Daniel Barrera is based in Diamond Bar, California, United States while working with City National Bank.

What companies has Daniel Barrera worked for?

Daniel Barrera has worked for City National Bank, Unical Aviation Inc., and Onewest Bank.

Who are Daniel Barrera's colleagues at City National Bank?

Daniel Barrera's colleagues at City National Bank include Andrew Kositkun, Shaun Christmas, Adrienne Coe, Robert C. Hogan, and Monique Gonzales.

How can I contact Daniel Barrera?

You can use AeroLeads to view verified contact signals for Daniel Barrera at City National Bank, including work email, phone, and LinkedIn data when available.

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