Emmanuel Makolo

I’m an Active Directory Specialist with over 9+ years] of experience focused on administration, management, and optimization of Active Directory environments. My work encompasses a variety of tasks, including consolidation of Active Directory domains, Group Policy administration, and handling migrations between systems. I am adept at ensuring that organizations maintain a well-structured and secure Active Directory environment that supports their business objectives.

My combination of technical skills, attention to detail, and collaborative approach allows me to manage Active Directory and related systems effectively. I thrive in fast-paced environments and am continually seeking opportunities to learn the latest technologies and best practices in identity and access management. I am passionate about ensuring that systems run smoothly while adhering to stringent security requirements.

I look forward to bringing my expertise to a dynamic team where I can contribute to improving the organization's infrastructure and helping users leverage technology efficiently.

Senior Active Directory Engineer

PCCG Consulting — Dallas Tx June 2020- Present

• Designed and implemented complex enterprise-level (50K+ objects) Active Directory solutions and security models.
• Developed and implemented Windows security concepts and policies, including least-privilege design principles.
• Implemented AD Security best-practices, staying up-to-date on the latest security threats/trends and mitigation strategies.
• Developed and implemented granular ACE permissions models meeting functional and technical requirements.
• Worked with Kerberos and NTLM authentication, MFA, SSO, and federation technologies to ensure secure access to enterprise resources.
• Engineered and implemented Group Policy Objects (GPOs), including 3rd-party management solutions.
• Constructed LDAP queries to troubleshoot and resolve issues.
• Worked with Certificate/CA/PKI infrastructure to ensure secure authentication and authorization.

Libra Logistics – MN April 2018 –May 2020

• Successfully led the cleanup and consolidation of three Active Directory domains into one, decommissioning legacy environments with zero operational downtime.
• Automated stale object identification and remediation, reducing inactive accounts by 80% and improving system performance.
• Managed the full lifecycle of domain migration, including trust relationships, DNS integration, and security policy standardization.
• Designed and enforced governance policies to streamline object management and enhance compliance with industry standards.
• Oversaw the consolidation of three AD domains, decommissioning two legacy domains and migrating 1500 users to a core environment.
• Coordinated with cross-functional teams and provided training to ensure a seamless transition for over 1500 users.
• Collaborated with security teams to address vulnerabilities, align with security standards, and implement role-based access controls (RBAC)
• Drive domain consolidation efforts, leading cross-functional teams to streamline resources and reduce technical debt.
• Designed and implemented automated PowerShell scripts to streamline provisioning and cleanup tasks.
• Produced detailed reports and dashboards for stakeholders, showcasing progress and highlighting potential risks.

OneCloud – Dallas Tx December 2016-March 2018

• Designed and implemented a secure AD environment for a healthcare organization, ensuring compliance with industry standards.
• Automated routine tasks with PowerShell and VBScript, reducing administrative overhead by 75%.
• Collaborated with application teams to migrate critical workloads to Azure AD, minimizing downtime and enhancing accessibility.
• Troubleshot and resolved complex replication and trust issues, maintaining high availability across domains.

Bachelor of Science in Computer / Information Technology University of the Mountains , Cameroon