Candidate ID: #26
Location: Upper Marlboro, MD
EMPLOYMENT SUMMARY
- Current/Most Recent: 3+ years (June 2020 – Present) holding Senior Systems Engineer roles at Tensley Consulting, NewGen Technologies, and Cornerstone Defense – Managed corporate Azure Tenants, administered DHS virtual Windows server infrastructure via VMware, and served on an engineering team building a Zero Trust Architecture
- Past: 15+ years of progressive systems engineering and IT support across federal and corporate environments (ICS, Cyberdata, DHA Group, Centech, Intelligent Decisions, GDIT, Unisys) – Deep experience in VMware management, Active Directory administration, vulnerability patching, continuous monitoring, and computer forensic analysis
ACCOMPLISHMENTS
- Cloud Infrastructure & Security – Created Authentication and Compliance Policies via Entra and Intune in Azure, managed Endpoint Security via Defender, and deployed security patches to Zero Trust domains
- Virtualization & Server Management – Upgraded servers using templates in VMware vSphere, managed vast VMware environments including a 30 TB datastore, and configured ESXi hosts and VCenter upgrades
- Vulnerability Remediation & Compliance – Met compliance for ISVMs and ICVAs, deployed jobs via Altiris and WSUS for patch management, and provided support for DoD STIGS and POA&M management
- Active Directory & Identity Management – Administered domains across multiple sites, created Group Policy objects, integrated Office 365 migrations, and managed user/computer accounts for extensive federal environments

Oscar Cambrelen prides Himself on being not only an executive recruiter focused on engaging talent but also an industry expert dedicated to client objectives and continuous growth. He continually seeks to help businesses grow and flourish to the next level.
