Sr. System Engineer

Roles & Responsibilities We are seeking a highly skilled Senior System Engineer to manage, optimize, and secure our IT infrastructure. This role involves hands-on administration of servers, networks, cloud services, virtualization, backup solutions, and end-user systems. You will also lead initiatives in business continuity, disaster recovery, and IT security while mentoring junior IT staff. Key Responsibilities: Infrastructure & Systems Management • Design, implement, and manage Windows Server infrastructure , including Active Directory, DNS, Exchange, and print servers. • Administer Windows, Linux, VMware, Hyper-V , and cloud environments (Azure, AWS). • Manage Microsoft 365 / Office 365 services , including configuration, troubleshooting, and user support. • Implement and maintain system backups using Veeam, Symantec, Arcserve, or equivalent solutions. • Conduct patch management, firmware updates, and system health checks . Networking & Security • Basic administration and troubleshooting of firewalls, routers, VPNs, and LAN/WAN connectivity . • Implement security measures following CIS standards and ensure compliance. • Conduct bi-weekly user access reviews and manage account security (CyberArk, AD). Business Continuity & Disaster Recovery • Plan and maintain business continuity and disaster recovery strategies , ensuring minimal downtime. • Monitor backup processes, system recovery readiness, and DR drills. Application & Service Administration • Manage infrastructure applications post go-live: VCenter, WSUS, TrendMicro/Symantec, Veeam , and MSSP services. • Oversee router/SMS gateway management , user access, and service configuration. Monitoring, Troubleshooting & Support • Diagnose interoperability issues across Exchange, Active Directory, and other infrastructure services. • Monitor system performance, conduct capacity planning, and resolve incidents promptly. • Provide mentorship and guidance to junior IT staff. ITIL & Operational Practices • Apply ITIL practices for configuration, change, and release management. • Maintain detailed documentation of systems, configurations, and processes .