Tahlik Jackson
Cheektowaga ,NY
Summary
IT Systems Administrator supporting Windows endpoints, identity systems, and Microsoft 365 in a production environment. Experienced in investigating security alerts, malware detections, authentication failures, device compliance issues, and data access problems using Microsoft Defender for Endpoint, Active Directory, Entra ID, Intune, and centralized management platforms. Skilled in documenting technical findings, validating system integrity, and supporting security-sensitive operations in regulated environments.
Overview
5
5
years of professional experience
1
1
Certification
Work History
Systems Administrator
Confidential Manufacturer
Tonawanda, NY
08.2025 - Current
- Provide Tier-1 and Tier-2 support and security operations for enterprise Windows and Microsoft 365 environment.
- Investigate Defender for Endpoint alerts (malware, suspicious processes, compliance failures) and perform remediation
- Analyze endpoint telemetry, logs, and identity data to determine root cause of security and access issues
- Troubleshoot Active Directory and Entra ID sign-in, lockout, and hybrid-join problems
- Validate device compliance and configuration baselines via Intune and PDQ Connect
- Resolve file access and NTFS permission issues related to security and data access
- Troubleshoot DNS, DHCP, VLAN, and wireless issues impacting system connectivity
- Maintain Freshservice incident and change records with audit-ready documentation
IT Support Technician (Freelance)
Buffalo, NY
01.2023 - Current
- Provide technical and security-related support for small business and professional users.
- Investigate malware behavior, authentication failures, and data access issues
- Perform identity and access management, including MFA, account recovery, and licensing
- Configure and troubleshoot network services (DHCP, VLANs, Wi-Fi, port forwarding)
- Perform system imaging, deployment, and configuration hardening (Sysprep, MDT)
- Document work using Jira and ServiceNow
Cleaner / Floor Technician
B&T Services (formerly CSI)
Buffalo, NY
01.2021 - 01.2023
- Worked in regulated commercial environments requiring strict adherence to procedures, safety, and accountability
Education
B.S. - Information Technology
Western Governors University (WGU)
01.2026
Skills
- Microsoft Defender for Endpoint, Active Directory, Entra ID (Azure AD), Intune, PDQ Connect, Microsoft 365 (Exchange, OneDrive, SharePoint, Teams), Windows 10/11, DNS, DHCP, VLAN, Wi-Fi, GPO, NTFS, Freshservice, Jira, ServiceNow, VMware, Proxmox, Azure
Certification
- ITIL 4 Foundation
- CompTIA A+
- CompTIA ITF+
Timeline
Systems Administrator
Confidential Manufacturer
08.2025 - Current
IT Support Technician (Freelance)
01.2023 - Current
Cleaner / Floor Technician
B&T Services (formerly CSI)
01.2021 - 01.2023
B.S. - Information Technology
Western Governors University (WGU)