Senior IT Infrastructure and Systems Engineer with extensive experience designing, administering, and troubleshooting complex enterprise environments in remote and hybrid models. Specialized in Windows Server, Active Directory, Exchange Server (On-Premises and Hybrid), Microsoft 365, SCCM, and Microsoft Intune, with strong ownership of system availability, security, and performance.
Demonstrated L3 expertise in Exchange and messaging systems, including Hybrid architecture design, mail flow optimization, connector and certificate management, transport queue troubleshooting, mailbox database recovery, and resolution of critical production incidents. Skilled in deep root cause analysis involving Exchange Transport, DAG behavior, Active Directory integration, and service dependencies to ensure long-term stability and prevent recurring issues.
Strong background in Windows Server infrastructure, including Active Directory architecture, Group Policy design, DNS, DHCP, PKI, server hardening, and performance tuning. Highly experienced in enterprise endpoint management using SCCM and Microsoft Intune, covering operating system deployment, patch management strategies, application packaging and deployment, update compliance, endpoint security policies, and device lifecycle management across on-premises and cloud-managed environments.
Experienced in leading technical escalations, mentoring L1/L2 teams, and acting as a senior escalation point during major incidents, upgrades, and change implementations. Follows ITIL-aligned practices for incident, problem, and change management, with a strong focus on documentation, automation, and continuous service improvement.
Highly proficient in PowerShell scripting for automation, bulk administration, monitoring, and reporting. Comfortable working independently in remote roles, collaborating across time zones, and communicating effectively with stakeholders. Seeking remote L3 / Senior Infrastructure opportunities where deep technical expertise, architectural understanding, and operational leadership can be leveraged to build and maintain secure, scalable, and resilient IT environments.
