Senior Systems Engineer Roles & Responsibilities • Manage and maintain the organization's IT infrastructure, including servers, storage, virtualization platforms, network devices, firewalls, and endpoint systems. • Administer Microsoft Windows Server, Active Directory, DNS, DHCP, Group Policy, Microsoft 365, and cloud-based services. • Monitor infrastructure performance, system availability, and capacity to ensure high availability and business continuity. • Manage backup, disaster recovery (DR), and business continuity solutions, including regular testing and validation. • Configure, administer, and troubleshoot virtualization platforms such as VMware and Hyper-V. • Manage and maintain network infrastructure, including switches, routers, VPNs, wireless networks, and firewall security. • Perform system administration, patch management, upgrades, and infrastructure hardening in accordance with security best practices. • Support cybersecurity initiatives by implementing security controls, managing endpoint protection, monitoring vulnerabilities, and responding to security incidents. • Provide Level 3 technical support and resolve complex infrastructure, server, and network-related issues. • Manage IT assets, software licenses, warranties, vendor contracts, and maintenance renewals. • Lead infrastructure implementation projects, system migrations, upgrades, and technology refresh initiatives. • Coordinate with vendors, service providers, and internal stakeholders to ensure efficient service delivery and SLA compliance. • Develop and maintain technical documentation, system architecture diagrams, operational procedures, and infrastructure reports. • Support IT governance, change management, compliance, and audit requirements. • Participate in digital transformation initiatives and recommend technology improvements to enhance business operations. • Mentor junior engineers and provide technical guidance and knowledge transfer. Required Skills & Expertise • Windows Server Administration • Microsoft Active Directory, DNS, DHCP & Group Policy • Microsoft 365 Administration • VMware / Hyper-V Virtualization • Azure and/or AWS (Preferred) • Network Infrastructure (Switching, Routing, VPN, Wireless) • Firewall Administration (Fortinet, Palo Alto, Cisco, etc.) • Storage and Backup Solutions • Disaster Recovery & Business Continuity • IT Security & Infrastructure Hardening • PowerShell Scripting • IT Asset & Vendor Management • IT Documentation & Reporting • Strong Troubleshooting and Problem-Solving Skills • Excellent Communication and Stakeholder Management Skills
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