Levi Limmex

Cross Functional IT Security Director specializing in cloud security, governance, strategic leadership across enterprise environments, with a dash of email and email security.

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About Me

I am an IT Security Director with extensive experience in designing, implementing, and managing enterprise-level security solutions with particular expertise in cloud environments. My career spans leadership roles across multiple industries where I've successfully led teams, implemented cutting-edge security controls, and aligned security strategies with business objectives.

My approach combines technical expertise with strategic vision, enabling organizations to establish robust security postures while supporting business growth. I excel at vendor management, cost optimization, and developing comprehensive governance frameworks that balance security requirements with operational needs.

I'm passionate about developing talent, driving innovation in security practices, and staying ahead of emerging threats in our rapidly evolving digital landscape.

Cloud Security (Azure/CNAPP)
Security Governance & Compliance
Strategic Leadership
Identity & Access Management
Security Architecture
Vendor Management

Professional Experience

IT Director, Cloud Security Services

CORTEVA July 2023 - Present
  • Provide strategic leadership for 3 teams with 20 direct reports across security and operations, establishing clear roadmaps that align with business objectives
  • Led migration of 2,500 domains to DMARC compliance with zero business disruption, significantly enhancing email security posture
  • Received "cutting-edge" ratings for two teams, the only such designations within the organization
  • Established comprehensive Azure governance models for standard and sensitive data classifications
  • Created and implemented security awareness training that reduced phishing click-through rates by 58% (from 5.2% to 2.2%)
  • Managed $5M+ annual vendor portfolio, reducing IT security spend by over $1M through strategic cost optimization
  • Implemented enterprise-wide CNAPP solution (CSPM/DSPM/CWPP) with successful adoption by 100+ application teams
  • Orchestrated email infrastructure migration to hardened servers to mitigate zero-day exploits

Cloud Security Architect

CHEVRON PHILLIPS CHEMICAL COMPANY April 2022 - July 2023
  • Migrated 300+ applications to Azure SSO from disparate authentication systems, implementing privileged identity management best practices
  • Led and managed a team of 5 offshore Azure security specialists, overseeing hiring and daily operations
  • Established 50+ identity governance standards and lifecycle management protocols for applications and access
  • Implemented CNAPP security tools leveraging CIS 1.2 baselines to detect environmental drift and CSPM inconsistencies
  • Deployed and managed EDR solutions across cloud and on-premises environments (Microsoft Defender and Crowdstrike)
  • Participated in red team/blue team exercises, developing actionable security improvement plans
  • Conducted security audits and compliance assessments validating 4,000+ cloud security controls

Lead Cloud Engineer

HOMESTEADERS LIFE March 2020 - April 2022
  • Implemented multi-factor authentication for all users (employees, contractors, vendors)
  • Developed comprehensive security incident management and response protocols
  • Collaborated cross-functionally to enhance network segmentation, reducing attack surface by 30%
  • Led data encryption initiatives for sensitive information and documented security standards
  • Conducted 30+ security awareness training sessions for employees on best practices
  • Established disaster recovery and business continuity plans ensuring operational resilience
  • Guided compliance efforts across multiple regulatory frameworks (GDPR, HIPAA, PCI-DSS)

Projects

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Visualizing Enterprise Tool Ownership and Integration

Clearly show leadership who owns what and how all tools contribute to the larger ecosystem.

Enterprise Architecture IT Tool Ownership Integration Mapping
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Powershell email forwarding

The art of forwarding emails from the outlook client to the intended recipients and perserving all the goodies.

Email Security Exchange Outlook
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Just another Iowa Garden

We have no idea what we are doing or how long this will last, but we will have fun and learn.

Gardening Iowa Clueless
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Blog Posts

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May 10, 2025

How AI Shines a Light on Over-Permissioned Users

AI and the complications it brings as it continues to grow.

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April 3, 2025

Why Enterprise POCs/POVs Are So Painful?

The hidden internal bottlenecks slowing down tech evaluations.

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March 15, 2025

CNAPP Rankings

New space, who dis?

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