Evans Ohene Djan

Evans Ohene-Djan Professional Summary Proactive and detail-oriented System Administrator with 6+ years of experience managing, securing, and optimizing IT infrastructures across Windows and Linux environments. Skilled in Active Directory, Group Policy, Azure AD, Microsoft Intune, Office 365, and virtualization technologies, with a proven ability to streamline operations, enforce compliance, and reduce downtime. Adept at patch management, server configuration, endpoint security, and backup recovery, ensuring business continuity and regulatory compliance. Recognized for improving system performance, automating workflows with PowerShell, and delivering high-quality technical support that enhances user productivity. Core Competencies • Security Operations (SOC): Incident Detection & Response, SIEM Monitoring, Log Analysis, Threat Hunting • Cybersecurity Tools: Rapid7 EDR, Lansweeper, JIRA, Checkpoint Firewalls, LIMS Systems • System Administration: Active Directory, Azure AD, Microsoft Intune, Group Policy, O365, Windows/Linux • Networking & Infrastructure: LAN/WAN, VPNs, Firewall Configuration, Vulnerability Scanning • Scripting & Automation: PowerShell, Automation for Account Management & Security Policies • Compliance & Risk Management: Patch Management, 2FA Enforcement, Data Security, Access Controls Professional Experience Systems Administrator II Champions Oncology, Inc. – Rockville, MD (Hybrid) | 06/2022 – Present • Managed Windows & Linux servers, applying security patches and system updates to maintain compliance and reduce vulnerabilities. • Enforced security & compliance standards across endpoints and servers, including deployment of EDR tools and 2FA for Office 365. • Administered Active Directory & Group Policy, creating accounts, managing access controls, and enforcing departmental security policies. • Delivered tier-2/3 IT support, resolving 95% of tickets within SLA, improving IT service satisfaction scores by 20%. • Performed regular system backups, ensuring 100% data recovery availability during audits and incidents. • Partnered with vendors and service centers to quickly resolve complex IT issues, minimizing downtime. • Implemented new GPOs to strengthen endpoint security and standardize configurations across 250+ devices. • Improved patch compliance by 30% by streamlining update and reporting processes. • Information Security Analyst II Electronic On-Ramp, Inc. – Rockville, MD | 06/2020 – 05/2022 • Conducted security monitoring and analysis using Lansweeper and SIEM solutions to identify potential intrusions and anomalous activity. • Performed incident response investigations, including log reviews, forensic analysis, and root-cause reporting. • Managed firewall security policies (Checkpoint), resolving access issues and mitigating misconfigurations. • Conducted quarterly vulnerability scans and implemented remediation steps, reducing critical findings by 40%. • Collaborated with incident response teams to contain and mitigate threats across client environments. • Reduced incident response time by 25% by developing standardized investigation procedures. • Enhanced security posture by driving vulnerability remediation efforts, meeting customer audit requirements. IT Onboarding Specialist SOBRAN, Inc. – Fairfax, VA | 05/2019 – 06/2020 • Executed IT onboarding process for new hires, including account provisioning, hardware deployment, and security training. • Administered Active Directory & Intune accounts, ensuring proper access control and compliance with corporate policies. • Provided desktop support for remote and on-site users, resolving issues in hardware, applications, and lab software. • Standardized onboarding workflow, reducing setup time for new employees by 30%. Help Desk / IT Support Specialist (Contract) National Institutes of Health – Bethesda, MD | 02/2017 – 05/2019 • Provided IT support for 500+ end-users, troubleshooting hardware, software, and network issues. • Installed and maintained operating systems, antivirus, and patches to ensure security compliance. • Administered Active Directory accounts and group memberships, improving access management accuracy. Education B.Sc. Computer Networks & Cybersecurity – University of Maryland Global Campus, MD (2019) A.A.S. Cybersecurity – Montgomery College, Germantown, MD (2016) Certifications CompTIA A+, CompTIA Network+, CompTIA Security+ In progress: CompTIA CySA+ (Expected 12/2025)