Julien Coleman

About Julien Coleman:

Lead Pentester, Southern Sec Solutions LLC

Julien Coleman is a U.S. Military Veteran and skilled Network Security Specialist who brings a mission-first mindset to every challenge. With a background spanning government, supply chain, and private sector industries, Julien is committed to ensuring the security, stability, and performance of complex IT infrastructures. His hands-on expertise in network administration, cybersecurity, and endpoint protection makes him a trusted professional for organizations that require resilience against modern cyber threats.

Julien has deployed enterprise-grade solutions such as Microsoft Sentinel in Azure and Panther SIEM, centralizing security monitoring and strengthening real-time threat detection across diverse environments. By tuning custom detection rules and prioritizing high-fidelity alerts, he has successfully reduced false positives and enhanced efficiency for security operations teams. He also has extensive experience managing Cisco Meraki networks, optimizing VPN and VoIP systems, and leveraging endpoint security platforms like CrowdStrike Falcon to protect users and data.

His career includes roles as a Desktop Support Engineer with Realized Solutions Inc. and as a Coding Instructor with CodeWizardsHQ, where he taught over 100 students Python fundamentals through advanced data science concepts. Leading coding bootcamps with high graduation rates, Julien demonstrated his ability not only to master technology but also to mentor and guide others toward success.

Julien is furthering his expertise by pursuing a degree in Cyber Security at California State University, Long Beach. With strong knowledge of cloud platforms (Azure, AWS), scripting languages (Python, PowerShell, Bash), and enterprise cybersecurity tools, he exemplifies a forward-thinking IT professional dedicated to safeguarding digital landscapes while empowering teams to thrive in an evolving threat environment.

Team Member
Julien Coleman
Lead Pentester