SENIOR SYSTEMS & INFRASTRUCTURE ENGINEER
Senior Systems & Infrastructure Engineer with 7 years of IT experience supporting, securing, and modernizing Windows Server, Active Directory, Microsoft 365, Entra ID, Intune, virtualization, backup/DR, and multi-site network environments. Currently serving as a senior escalation engineer in an MSP environment supporting 50+ clients, 2,500+ endpoints, and 100+ physical/virtual servers. Skilled in infrastructure upgrades, Microsoft 365 migrations, domain controller/file server migrations, endpoint management, Group Policy, backup validation, and complex troubleshooting.
TECHNICAL SKILLS
Systems & Infrastructure: Windows Server 2012-2025, Windows 10/11, Active Directory, DNS, DHCP, Group Policy, RDS/RemoteApp
Microsoft Cloud & Identity: Microsoft 365, Exchange Online, SharePoint Online, Entra ID, Azure AD Connect, Conditional Access, MFA
Endpoint Management: Intune MDM/MAM, Autopilot, SCCM, ConnectWise RMM, patch management
Virtualization, Storage & Backup: Hyper-V, Acronis, Cove, host/VM migrations, SAN/NAS, iSCSI
Networking: Sophos, SonicWall, Fortigate, UniFi, Meraki, VLANs, routing/NAT, firewall policies, IPsec/SSL VPN, TCP/IP
Automation & Tools: PowerShell, ConnectWise Manage, ScreenConnect, ITGlue, Liongard, ServiceNow
PROFESSIONAL EXPERIENCE
Managed Service Provider | Senior Systems & Infrastructure Engineer | August 2023 – Present
- Serve as senior escalation engineer in a fast-paced MSP environment supporting 50+ client environments, 2,500+ endpoints, and 100+ physical/virtual servers across infrastructure, cloud, endpoint, networking, backup, and security operations.
- Administer Windows Server 2012-2025 environments, including domain controllers, DNS, DHCP, file/print servers, RDS/RemoteApp, patching, performance troubleshooting, and production server maintenance.
- Manage Microsoft 365 and identity services, including Exchange Online, SharePoint Online, licensing, mailbox administration, mail flow, Entra ID, Azure AD Connect, MFA, Conditional Access, and user lifecycle management.
- Lead infrastructure and cloud migration projects, including Google Workspace to Microsoft 365, tenant-to-tenant migrations, file shares to SharePoint/OneDrive, domain controller replacements, file server migrations, and Hyper-V host migrations.
- Rebuilt Active Directory and access control structures by cleaning up stale OUs, replacing legacy login scripts, creating security groups, standardizing file share permissions, and deploying drive mappings through Group Policy.
- Configure and manage client network infrastructure across Sophos, SonicWall, Fortigate, UniFi, and Meraki platforms, supporting secure connectivity, remote access, wireless networks, switching, routing, and multi-site operations.
- Led a full network infrastructure overhaul for a financial institution, replacing firewall, switching, and wireless infrastructure while redesigning VLAN segmentation, static routing, VPN access, and secure connectivity to core banking, Federal Reserve Bank, and third-party banking systems.
- Deploy and manage endpoint platforms using Intune, Autopilot, ConnectWise RMM, and SCCM to improve device provisioning, application deployment, patch management, endpoint compliance, and security baselines.
- Developed PowerShell onboarding and offboarding scripts to standardize user provisioning/deprovisioning across Active Directory, Microsoft 365, licensing, groups, mailbox access, and related access controls.
- Implement and support backup and disaster recovery solutions using Acronis and Cove, including daily server backups, automated monthly restore tests, validation reporting, and recovery troubleshooting.
- Administer Microsoft 365 email security controls, including SPF/DKIM/DMARC, Mimecast, Avanan, Perception Point, filtering policies, mail flow troubleshooting, and compromised mailbox response.
Investment Management Firm | IT Service Desk Specialist | May 2021 – May 2023
- Provided Tier 1-2 support for 600+ enterprise users across Windows, Microsoft 365, Active Directory, VPN, endpoint, hardware, software, and corporate application environments.
- Resolved approximately 300 incidents and service requests per month while maintaining SLA compliance and strong customer satisfaction scores.
- Administered user accounts, security groups, device objects, mailbox access, endpoint configuration, and inventory tasks across Active Directory, Microsoft 365, SCCM, and ServiceNow.
- Created documentation, training materials, and PowerShell scripts to improve repeatable support processes, reduce common support requests, and support consistent service delivery.
Managed Service Provider | Help Desk Technician | Oct 2019 – May 2021
- Supported 1,000+ end users in an MSP environment across Windows, Microsoft 365, Active Directory, Exchange, endpoint, and network connectivity issues.
- Managed user accounts, security groups, mailbox troubleshooting, Windows 10 support, software issues, and escalation workflows for complex technical problems.
- Monitored alerts and system notifications to support proactive outage response, incident communication, and timely service restoration.
CERTIFICATIONS
CompTIA A+ * CompTIA Network+ * CompTIA Security+ Expires April 2028
