Systems Administration

Job Summary:- System Administrator is responsible for the end-to-end management, security, and integration of Company’s IT infrastructure. This role unifies data center operations, enterprise networking (LAN/WAN), server administration, cloud platforms (Microsoft 365 & Azure), and physical security systems (CCTV). The administrator designs and configures routers, switches, firewalls, and backup solutions, while supporting ERP systems and internal business applications. A hands-on expert who ensures high availability, cybersecurity, and business continuity across all technology domains. Main Duties and Responsibilities 1. Infrastructure & Data Center Management Data Center Operations: Manage and maintain physical and virtual server environments (VMware/Hyper-V), including installation, configuration, and patch management. Server Administration: Oversee Windows Server (2016/2019/2022) and Linux environments; manage Active Directory (AD), DNS, DHCP, and Group Policy Objects (GPOs). Storage & Backup: Architect and manage backup solutions for both IT systems and CCTV footage. Ensure data integrity, perform regular restore tests, and manage off-site/cloud backups. 2. Networking & Security (LAN/WAN) Network Design: Design, implement, and document LAN and WAN architectures to ensure high availability, redundancy, and performance across all sites. Routing & Switching: Configure and maintain enterprise-grade network hardware (Cisco, unified, or similar) including routers, switches, and wireless controllers. Security Infrastructure: Manage next-generation firewalls (e.g., Fortinet, Palo Alto, or Sophos) for threat prevention, VPN connectivity (Site-to-Site & SSL), and secure remote access. Unified Solutions: Integrate and manage unified technologies, ensuring seamless communication between networking, security, and IoT devices (CCTV). 3. Physical Security & Surveillance (CCTV) Unified CCTV Management: Administer the IP CCTV infrastructure. Ensure the network is optimized for high-bandwidth video traffic. CCTV Backup: Design and manage specific backup strategies for surveillance footage, ensuring compliance with retention policies and rapid retrieval capabilities. 4. Cloud & Microsoft Ecosystem Microsoft 365 Administration: Manage Microsoft 365 tenant, including Exchange Online (email), SharePoint, Teams, and compliance features. Azure Administration: Manage Azure IaaS and PaaS resources. Experience with Azure Active Directory (Entra ID) Connect, hybrid identity, and Azure Site Recovery (ASR) for disaster recovery. Email Security: Manage spam filtering, email archiving, and email flow security. 5. Business Applications & ERP ERP Support: Provide high-level technical support for the organization’s ERP solution. This includes database performance monitoring (SQL), troubleshooting integration issues, and managing user permissions. Internal Solutions: Administer internal business tools, ensuring high availability and integration with core infrastructure. 6.  Server Administration: Installing, configuring, and maintaining windows servers, both physical and virtual. Managing server operating systems, such as Windows Server or Linux distributions. Monitoring server performance, resource utilization, and capacity planning. Implementing security measures, including user access controls, patches, and updates. Managing server backups, disaster recovery, and business continuity plans. 7. Development: Writing and maintaining scripts or automation tools to streamline system administration tasks. Customizing or extending the functionality of the D365FO ERP system through programming. Collaborating with software developers to integrate D365FO ERP with other applications or databases. Troubleshooting and debugging software issues within the D365FO ERP environment. Keeping up-to-date with relevant programming languages, frameworks, and development best practices.