Senior Director Security Engineering
Current
Jun 2023 - Present
AeroLeads people directory · profile
Justin Simpson Email & Phone Number
Information Security Senior Director | Data Security | IAM | IT Engineering & Operations | Post Quantum Cryptography | Payment Cryptography | Servant Leader
at
Walmart
2 work emails found
@walmart.com
3 phones found area 479
LinkedIn matched
✓ Verified July 2026
4 data sources
Profile completeness 100%
Current company
Role
Information Security Senior Director | Data Security | IAM | IT Engineering & Operations | Post Quantum Cryptography | Payment Cryptography | Servant Leader
Location
Atlanta Metropolitan Area, United States
Who is Justin Simpson? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
Justin Simpson is listed as Information Security Senior Director | Data Security | IAM | IT Engineering & Operations | Post Quantum Cryptography | Payment Cryptography | Servant Leader at Walmart, based in Atlanta Metropolitan Area, United States. AeroLeads shows a work email signal at walmart.com, phone signal with area code 479, and a matched LinkedIn profile for Justin Simpson.
Justin Simpson previously worked as Senior Director Security Engineering at Walmart and Director | Identity & Access Management Engineering & Operations at Walmart. Justin Simpson holds Master Of Business Administration - Mba, Entrepreneurship/Entrepreneurial Studies from University Of Arkansas.
Company email context
Email format at Walmart
This section adds company-level context without repeating Justin Simpson's masked contact details.
{first}.{last}@walmart.com
89% confidence
AeroLeads found 2 current-domain work email signals for Justin Simpson. Compare company email patterns before reaching out.
Profile bio
About Justin Simpson
I’m a highly analytical Information Services Security Senior Executive with extensive expertise in directing, implementing and evaluating system effectiveness, infrastructure, architecture and staffing required to improve security posture and reduce operating costs. A change catalyst. I build high-performance teams and thrive in environments requiring vision, strategy and dedicated focus to details. In my current role as a Senior Manager in Access Control, Engineering & Operations for Walmart, I lead the Identity Access Management (IAM) Services team of over 50 in Enterprise Authentication, technical account managers and vendors that analyze processes, establish new protocols and develop complex solutions to meet business goals. I reduced manual processes over 80% through the creation of a self-service access tool.Prior to that, I worked as a Security Relationship Manager with a focus on Security Risk, Compliance & Governance where I negotiated with and selected vendors for Telecommunications and Information Technology products, systems and services, in addition to managing vendor performance after implementation. I also identified process improvement opportunities, participated in planning and design sessions to ensure requirements, insights and security recommendations were accounted for.I am currently pursuing an Executive Master of Business Administration (EMBA) in Entrepreneurship and International Studies from the University of Arkansas. I obtained a Bachelor’s in Business Administration, Management Information Systems, and Computer Science from the University of Alabama.I possess a unique combination of hands-on operations management experience with a strong academic background, and a proven ability to combine vision, efficiency, and strategic problem-solving to create and implement the management of projects to succession.If you would like to discuss my background or have any specific questions, please feel free to contact me through my profile.
Listed skills include Budgeting, Requirements Analysis, Retail, Microsoft Office, and 63 others.
Current workplace
Justin Simpson's current company
Company context helps verify the profile and gives searchers a useful next step.
10 roles · 16 years
Justin Simpson work experience
A career timeline built from the work history available for this profile.
Director | Identity & Access Management Engineering & Operations
Current
Dec 2018 - Present
Senior Manager | Identity & Access Management Engineering & Operations
CurrentSpearhead $17.7M Identity Access Management Services (IAM) team of 50+ enterprise authentication, technical account managers and vendors to analyze processes, establish protocols and develop complex solutions. Launching IAM Center of Excellence to accelerate agile delivery and modernize tech stack.• Migrated mainframe to Microsoft Identity Management (IDM) tool, eliminated “patterned after” access, automated, reduced process 30%.• Disabled 300K non-active accounts, removed 80K+ stale accounts and reduced system/process IDs 10%.• Reduced manual processes 80% through creation of self-service access.• Reduced Corporate Incidents, 800+ days without incident.• Maintain 99.6% change control success rate.• Deployed 78% of Two-Factor (2-factor) Authentication to 25K users.• Streamlined automation of Single Sign-On (SSO), increased Federation 100%, reduced SLA 66%, created seamless user experience.
Aug 2014 - Present
Director | Data Security
Oct 2019 - Jun 2023
Program Manager | Security It Rotational Program
Developed and maintained rotation curriculums; including partnering with key stakeholders to identify projects, develop job descriptions and qualifications, develop structured guidelines for effective rotational plans, and identify metrics for measuring success.• Managed critical relationship with executive sponsors to ensure continued support for the program; provide regular updates to lead sponsor, program updates to larger stakeholder groups as needed. • Partnered with key HR Groups and client stakeholders to build program effectiveness and execute on program objectives including: HR Business Partners, Infrastructure, Enterprise Information Management, Quality Assurance, and the Program/Project Management organization.
Feb 2013 - Dec 2015
Security Relationship Manager | Security Risk, Compliance & Governance
Negotiated with and selected vendors for Telecommunications and Information Technology products, systems, and services, managed vendor performance after implementation. Identified process improvement opportunities, participated in planning and design sessions representing Security to ensure requirements, insights and recommendations were accounted for.• Enhanced Security Risk and Compliance Review (SRCR) process, streamlined and proactively remediated risk assessments to ensure compliance, improved process 75%.• Designed private brand Box “gold” platform solution to reduce risk and access from unapproved SaaS providers.• Established alerts to proactively notify potential security operational stability events, which improved security posture and reduced corporate incidents.
Jun 2013 - Aug 2014
Senior Systems Administrator | Security Audit & Assessments
Completed system tasks such as File, Mail, and Modem server maintenance, data backups and restores, disaster recovery, system analysis, and system security.• Created and implemented policies and procedures to define and improve workflow and communication.• Managed and Developed a Firewall audit process for over 17K PCI firewall rules.• Facilitated the removal of over 4K PCI firewall rules.• Created and maintained PCI documentation and passed three consecutive audits.
Jan 2012 - Jun 2013
Adjunct Instructor, Engineering Graduate Program, Cybersecurity
CurrentAs Adjunct Instructor, I teach students two graduate courses (Web Application Security and Identity and Access Management) as part of the Engineering Graduate Program, providing integrated learning experiences that balance theory with real-world application.I also develop instructional plans and curricula while providing routine mentorship to meet the needs of students.
2022 - Present
~4 yrs 6 mos
Cyber Security Engineer
2011 - 2011
Retail Staff Intern
Sears Holdings Inc
• Progressive rotation among retail field and home office positions• Directed an operational and competitive analysis of local retail markets to explore and correct store inefficiencies and processes • Learned inventory control practices for shrinkage, distribution center management, and methods forcontrolling shrinkage to increase profits and manage selling trends to optimize store performance.• Implement and conducted an field associate recognition program and an new hire orientation class
Jun 2010 - Aug 2010
2 education records
Justin Simpson education
Master Of Business Administration - Mba, Entrepreneurship/Entrepreneurial Studies
University Of Arkansas
Bachelor Of Science, Business Administration; Management Information Systems
The University Of Alabama
FAQ
Frequently asked questions about Justin Simpson
Quick answers generated from the profile data available on this page.
What company does Justin Simpson work for?
Justin Simpson works for Walmart.
What is Justin Simpson's role at Walmart?
Justin Simpson is listed as Information Security Senior Director | Data Security | IAM | IT Engineering & Operations | Post Quantum Cryptography | Payment Cryptography | Servant Leader at Walmart.
What is Justin Simpson's email address?
AeroLeads has found 2 work email signals at @walmart.com for Justin Simpson at Walmart.
What is Justin Simpson's phone number?
AeroLeads has found 3 phone signal(s) with area code 479 for Justin Simpson at Walmart.
Where is Justin Simpson based?
Justin Simpson is based in Atlanta Metropolitan Area, United States while working with Walmart.
What companies has Justin Simpson worked for?
Justin Simpson has worked for Walmart, John Brown University, University Of Alabama, and Sears Holdings Inc.
How can I contact Justin Simpson?
You can use AeroLeads to view verified contact signals for Justin Simpson at Walmart, including work email, phone, and LinkedIn data when available.
What schools did Justin Simpson attend?
Justin Simpson holds Master Of Business Administration - Mba, Entrepreneurship/Entrepreneurial Studies from University Of Arkansas.
What skills is Justin Simpson known for?
Justin Simpson is listed with skills including Budgeting, Requirements Analysis, Retail, Microsoft Office, Excel, Customer Service, Word, and Powerpoint.
Find 750M verified contacts
Search by job title, company, industry, location, and seniority. Export verified B2B contact data when you need it.
Start free trial