Jesus Hernandez
Mount Vernon,NY
Summary
Systems Administrator with expertise in Microsoft 365, Azure Active Directory, and enterprise endpoint management. Proven track record in leading IT operations, user lifecycle management, and device security across multiple locations. Experienced in implementing RMM/MDM solutions and ensuring HIPAA compliance, with strong skills in server administration, networking, and endpoint detection. Previous roles at Nadine Johnson Inc. and Purchase College provided foundational experience in IT support and infrastructure management, driving improvements in efficiency and security.
Overview
12
12
years of professional experience
Work History
Systems Administrator
CHOICE of NY
White Plains, United States
01.2026 - Current
- Serve as SPOC for IT operations, owning infrastructure, endpoint management, and security initiatives across the organization.
- Administer identity, access, and user lifecycle management across Azure AD, Microsoft 365, Google Workspace, and Foothold, partnering with HR on onboarding/offboarding.
- Manage RMM/MDM platforms (Datto, MaaS360, Intune), including device provisioning, patching, monitoring, and policy enforcement.
- Lead endpoint lifecycle and security operations, including EDR, MFA (Microsoft Authenticator), email security, and VPN solutions.
- Conduct HIPAA-aligned Security Risk Assessments (HIPAA Secure Now) and remediate administrative, technical, and physical vulnerabilities.
- Implement and maintain network infrastructure (Ethernet, Wi-Fi, TCP/IP, DHCP, firewalls, printers) and enhance host- and network-level security controls.
- Own Help Desk operations, vendor coordination, IT procurement, and asset lifecycle management.
- Drive continuous improvement of IT services, security posture, and user experience through policy, tooling, and process enhancements.
System Administrator
Nadine Johnson Inc.
New York City Metropolitan Area
02.2018 - Current
- Administered and maintained Windows Server environments including Active Directory, DNS, file services, and backups.
- Designed and deployed GPOs to streamline user access, security settings, and workstation configuration.
- Installed, configured, and managed VoIP PBX systems (FreePBX) including system conversions and integrations.
- Managed and maintained CRM infrastructure (ACT!), ensuring system reliability and secure remote access.
- Administered Microsoft 365 and Google Workspace, including Gmail and Drive.
- Installed, managed, and optimized network infrastructure (routers, switches, firewalls, wireless access points).
- Integrated physical security systems (key fob access, security cameras) with PBX infrastructure.
- Performed hardware/software installation, troubleshooting, documentation, and end-user training (remote & on-site).
Information Technology Generalist
CHOICE of NY
White Plains, United States
04.2025 - 01.2026
- Supported IT operations, infrastructure, and security initiatives.
- Administered RMM/MDM platforms, endpoint solutions, and user lifecycle management.
- Conducted HIPAA Security Risk Assessments, implemented security awareness training, and supported network and endpoint operations.
Computer Technology Services
Purchase College
Purchase, New York
02.2014 - 03.2018
- Provided Tier 1-2 technical support for faculty, staff, and students in a higher education environment.
- Supported Active Directory, Windows and IOS workstations/labs, and campus systems.
- Installed, configured, and troubleshot hardware, software, and peripherals.
- Assisted with account provisioning, permissions, and system access.
- Documented procedures and contributed to improved service desk operations.
Education
High School -
Eastchester High School
Eastchester01.2000
Skills
- Systems Administration
- Microsoft Entra ID
- Microsoft 365 Administration
- Active Directory
- Windows Server Administration
- Group Policy (GPO)
- Phishing & Social Engineering Prevention
- User Lifecycle Management
- Identity & Access Management (IAM)
- Multi-Factor Authentication (MFA)
- Endpoint Detection & Response (EDR)
- Email Security
- HIPAA Compliance
- Security Risk Assessments
- Security Awareness Training
- VPN Administration
- Mobile Device Management (MDM)
- Remote Monitoring & Management (RMM)
- Microsoft Intune
- MaaS360
- Datto RMM
- Patch Management
- Endpoint Lifecycle Management
- Network Administration
- Firewalls
- TCP/IP
- DHCP
- Wi-Fi Networking
- IT Operations
- IT Asset Management
- Vendor Management
- Powershell
- Azure AD Connect
Personal Information
Title: Systems Administrator | Microsoft 365 & Azure AD | RMM/MDM | Security & HIPAA Compliance | IT Operations & Endpoint Management
Work Availability
monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Work Preference
Work Type
Full TimeLocation Preference
On-SiteRemoteHybridTimeline
Systems Administrator
CHOICE of NY
01.2026 - Current
Information Technology Generalist
CHOICE of NY
04.2025 - 01.2026
System Administrator
Nadine Johnson Inc.
02.2018 - Current
Computer Technology Services
Purchase College
02.2014 - 03.2018
High School -
Eastchester High School