AeroLeads people directory · profile

Brian Castello Email & Phone Number

Cyber Threat Hunt Manager at EY Technology Solutions
Location: San Luis Obispo, California, United States 8 work roles 2 schools
1 work email found @firstam.com 2 phones found area 714 LinkedIn matched
✓ Verified Jun 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 2 phones

Work email b****@firstam.com
Direct phone (714) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Cyber Threat Hunt Manager
Location
San Luis Obispo, California, United States

Who is Brian Castello? Overview

A concise factual answer block for searchers comparing this professional profile.

Quick answer

Brian Castello is listed as Cyber Threat Hunt Manager at EY Technology Solutions, based in San Luis Obispo, California, United States. AeroLeads shows a work email signal at firstam.com, phone signal with area code 714, and a matched LinkedIn profile for Brian Castello.

Brian Castello previously worked as Adjunct Professor at California Institute Of Arts & Technology and Cyber Operations Officer at Unites States Air Force. Brian Castello holds Bs, Ms, Electrical, Aerospace Engineering from Cal Poly San Luis Obispo.

Company email context

Email format at EY Technology Solutions

This section adds company-level context without repeating Brian Castello's masked contact details.

{first_initial}{last}@firstam.com
86% confidence

AeroLeads found 1 current-domain work email signal for Brian Castello. Compare company email patterns before reaching out.

Profile bio

About Brian Castello

Cyber Security Professional with 15+ years of proven success, solutions-based problem solving, and exceeding customer expectations. Experience across a diverse set of positions and environments, which includes roles as an information security practitioner, engineer, project manager, trainer, and mentor.

Listed skills include Microsoft Excel, Space Systems, Dod, Security Clearance, and 12 others.

Current workplace

Brian Castello's current company

Company context helps verify the profile and gives searchers a useful next step.

EY Technology Solutions
Ey Technology Solutions
Cyber Threat Hunt Manager
AeroLeads page
8 roles

Brian Castello work experience

A career timeline built from the work history available for this profile.

Cyber Threat Hunt Manager

Current

Los Angeles, California, United States

Feb 2023 - Present

Cyber Operations Officer

  • Manages four teams of cyber security professionals in various geographic locations with tasks that include:
  • Provide mentorship, planning, reporting, performance evaluations and long-term strategic skill development for on premise and cloud environment for five direct reports
  • Resource management, budgeting, and operational development for an actionable five-year plan enabling the next generation of cyber operations
  • Leads cyber protection teams in site assessments, threat hunt… Show more
  • Leads cyber protection teams in site assessments, threat hunt operations and forensic investigations ensuring consistent high-quality security recommendations for mission critical systems increasing the survivability.
  • Oversaw response teams for breaches and hacks within state agencies. Highlights include leading quick reaction team for the State of California and providing solutions for the SolarWinds hack that allowed for state.

Senior Cyber Defense Engineer

Santa Ana, California, United States

  • Spearheads innovative strategies across multiple departments, such as
  • Implementing automated responses to leaked credentials by using threat intelligence sources, Identity Account Management and XSOAR. Successfully reduced response time from days to minutes of reported leaked credentials
  • Leading incident response efforts for exposed credentials, log4j and dark web concerns
  • Works with compliance teams to ensure adherence to SOX, PCI-DSS and other security standards
  • Frequently… Show more
  • Frequently conducts internal red team assessment of insecure protocols to determine the threat surface area by using a collection of native and third-party tools
Feb 2021 - May 2023

Cyber Security Lead And Project Engineer

Pasadena, CA

  • Project managed technical projects for NASA JPL, NASA GSFC, NOAA, and DoD Agencies from network assessments to development of secure coding practices while ensuring the activities were aligned with business goals to.
  • Cultivated and maintained relationships with managers, directors, and security professionals of the customer’s organization, defines issues and concerns, and worked with many technical teams to execute and deliver.
  • Cultivated and maintained relationships with managers, directors, and security professionals of the customer’s organization, defines issues and concerns, and worked with many technical teams to execute and deliver.
  • Developed and executed Concept of Operations for “first of its kind” security assessment of a live space network finding unexplained network activity and critical misconfigurations. Quickly identified the critical.
  • Collaborated with NASA stakeholders on cybersecurity mission assessments that led to architectural studies that ultimately enhanced network security across the enterprise
  • Concurrently managed four teams to provide compliance subject matter expertise, survey networks and recommendations, and to determine active or future threats to information systems based on Statements of Work and.
Sep 2015 - Feb 2021

Electrical Engineer

Polysat
Sep 2008 - Jun 2011
2 education records

Brian Castello education

Bs, Ms, Electrical, Aerospace Engineering

Activities and Societies: Poly Sat, LEAP, Engineering Ambassadors, Eta Kappa Nu

FAQ

Frequently asked questions about Brian Castello

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

What company does Brian Castello work for?

Brian Castello works for EY Technology Solutions.

What is Brian Castello's role at EY Technology Solutions?

Brian Castello is listed as Cyber Threat Hunt Manager at EY Technology Solutions.

What is Brian Castello's email address?

AeroLeads has found 1 work email signal at @firstam.com for Brian Castello at EY Technology Solutions.

What is Brian Castello's phone number?

AeroLeads has found 2 phone signal(s) with area code 714 for Brian Castello at EY Technology Solutions.

Where is Brian Castello based?

Brian Castello is based in San Luis Obispo, California, United States while working with EY Technology Solutions.

What companies has Brian Castello worked for?

Brian Castello has worked for Ey Technology Solutions, California Institute Of Arts & Technology, Unites States Air Force, First American, and The Aerospace Corporation.

How can I contact Brian Castello?

You can use AeroLeads to view verified contact signals for Brian Castello at EY Technology Solutions, including work email, phone, and LinkedIn data when available.

What schools did Brian Castello attend?

Brian Castello holds Bs, Ms, Electrical, Aerospace Engineering from Cal Poly San Luis Obispo.

What skills is Brian Castello known for?

Brian Castello is listed with skills including Microsoft Excel, Space Systems, Dod, Security Clearance, Simulations, Information Assurance, Communication Systems, and Satellite Systems Engineering.

Find 750M verified contacts

Search by job title, company, industry, location, and seniority. Export verified B2B contact data when you need it.

People with similar names

Check these profiles if this is not the Brian Castello you were looking for.

View similar profiles