Zain Walker
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Zain Walker Email & Phone Number

Lead Security Analyst at Critical Start
Location: Dallas-Fort Worth Metroplex, United States, United States 9 work roles
1 work email found @criticalstart.com LinkedIn matched
✓ Verified May 2026 3 data sources Profile completeness 71%

Contact Signals · 1 work email

Work email z****@criticalstart.com
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Lead Security Analyst
Location
Dallas-Fort Worth Metroplex, United States, United States
Company size

Who is Zain Walker? Overview

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Quick answer

Zain Walker is listed as Lead Security Analyst at Critical Start, a company with 208 employees, based in Dallas-Fort Worth Metroplex, United States, United States. AeroLeads shows a work email signal at criticalstart.com and a matched LinkedIn profile for Zain Walker.

Zain Walker previously worked as Principal Security Analyst at Critical Start and Senior Security Analyst at Critical Start.

Company email context

Email format at Critical Start

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{first}.{last}@criticalstart.com
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AeroLeads found 1 current-domain work email signal for Zain Walker. Compare company email patterns before reaching out.

Profile bio

About Zain Walker

I'm a passionate Lead Cybersecurity Analyst with a knack for finding vulnerabilities before the bad guys do. By day, I leverage my experience in security consulting to fortify client systems. But my true cyber thrill comes from penetration testing, where I ethically become the attacker, exposing weaknesses and recommending rock-solid solutions.I'm a firm believer in proactive defense and love collaborating with teams to turn those weaknesses into strengths. When I'm not on the digital battlefield, you can find me at industry conferences, keeping my finger on the pulse of the latest threats.Looking to fortify your defenses? Let's connect!#cybersecurity #pentesting #securityanalyst #infosec

Current workplace

Zain Walker's current company

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Critical Start
Critical Start
Lead Security Analyst
plano, texas, united states
Employees
208
AeroLeads page
9 roles

Zain Walker work experience

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

Security Analyst

Investigate and manage security events across diverse companies, involving a range of operating systems, security tools, and environments with different standard operating procedures, while maintaining an SLA.Prepare and escalate reports for clients, detailing observed actions, risk evaluations, and recommendations for risk mitigation.Resolve security.

Aug 2022 - Nov 2023

Geek Squad - Consultation Agent

Midwest City

  • Consulted with clients, informing them about CVEs and threat actors while coaching them through system hardening procedures to prevent system breaches
  • Triaged and conducted remediation on malware-infected systems
  • Troubleshot software and hardware issues on Windows and MacOS systems
Aug 2019 - Mar 2021
Team & coworkers

Colleagues at Critical Start

Other employees you can reach at criticalstart.com. View company contacts for 208 employees →

FAQ

Frequently asked questions about Zain Walker

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

What company does Zain Walker work for?

Zain Walker works for Critical Start.

What is Zain Walker's role at Critical Start?

Zain Walker is listed as Lead Security Analyst at Critical Start.

What is Zain Walker's email address?

AeroLeads has found 1 work email signal at @criticalstart.com for Zain Walker at Critical Start.

Where is Zain Walker based?

Zain Walker is based in Dallas-Fort Worth Metroplex, United States, United States while working with Critical Start.

What companies has Zain Walker worked for?

Zain Walker has worked for Critical Start, Beacon Hill Staffing Group, Best Buy, Chipotle Mexican Grill, and Oklahoma City Community College.

Who are Zain Walker's colleagues at Critical Start?

Zain Walker's colleagues at Critical Start include Matthew Scher, Chelsea T., Shaun Van Niekerk, Kimberly Graham, and Omar Santiago.

How can I contact Zain Walker?

You can use AeroLeads to view verified contact signals for Zain Walker at Critical Start, including work email, phone, and LinkedIn data when available.

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