Senior System Administrator

JOB Description Senior Systems Administrator Application Support & Endpoint Infrastructure Department - Information Technology (IT Infrastructure & Operations) Reports To Sr. IT Manager Job Summary We are seeking an experienced Senior Systems Administrator to manage and support enterprise infrastructure, endpoint security solutions, and critical IT applications. The ideal candidate will have strong expertise in Mobile Device Management (MDM), Endpoint Protection/Antivirus, Data Loss Prevention (DLP), Privileged Access Management (PAM), Security Information and Event Management (SIEM), Windows Server administration, and endpoint support. The role requires hands-on experience in maintaining secure, reliable, and highly available IT systems while providing Level 2/Level 3 technical support for desktops, laptops, and enterprise applications. The candidate should possess excellent troubleshooting skills, strong security awareness, and the ability to work in a fast-paced enterprise environment. Key Responsibilities Infrastructure Administration Administer, maintain, and troubleshoot Windows Server environments. Manage Active Directory, Group Policy Objects (GPO), DNS, DHCP, and File & Print services. Perform server installation, upgrades, patching, and lifecycle management. Monitor server health, capacity, performance, and availability. Support virtualization platforms such as VMware or Hyper-V. Implement backup and disaster recovery procedures. Maintain server documentation, configurations, and asset inventory. Endpoint Management (MDM) Administer enterprise Mobile Device Management (MDM) solutions. Configure enrolment policies for Windows, macOS, Android, and iOS devices. Manage device compliance, application deployment, and security policies. Troubleshoot endpoint enrollment and synchronization issues. Support remote device provisioning and lifecycle management. Implement endpoint security baselines and compliance standards. Endpoint Security & Antivirus Administer enterprise antivirus and Endpoint Detection & Response (EDR) platforms. Monitor malware alerts and coordinate incident response activities. Investigate endpoint security events. Perform malware remediation and root cause analysis. Ensure endpoint protection policies are enforced across the organization. Coordinate regular security updates and signature deployments. Data Loss Prevention (DLP) Manage enterprise DLP solutions. Develop and maintain DLP policies. Monitor DLP alerts and investigate potential data leakage incidents. Work with business teams to minimize false positives. Ensure regulatory and organizational compliance. Generate DLP compliance and audit reports. Privileged Access Management (PAM) Administer Privileged Access Management solutions. Manage privileged account onboarding and lifecycle. Configure password vaulting and credential rotation. Monitor privileged session activities. Support privileged access audits. Ensure privileged accounts comply with organizational security standards. Security Information & Event Management (SIEM) Monitor SIEM dashboards and security alerts. Investigate suspicious events and coordinate with the cybersecurity team. Create and maintain correlation rules. Assist in log source onboarding. Generate security and compliance reports. Participate in incident response and root cause investigations. Desktop & Laptop Support Provide Level 2/Level 3 support for desktops and laptops. Troubleshoot hardware and software issues. Install, configure, and upgrade operating systems. Deploy enterprise applications. Resolve printer, network, VPN, and peripheral issues. Support remote users. Perform endpoint imaging and deployment. Coordinate warranty repairs and hardware replacements. Maintain endpoint inventory and asset records. Patch & Vulnerability Management Plan and execute operating system and application patching. Coordinate monthly patch cycles. Validate successful deployments. Remediate vulnerabilities identified through vulnerability assessments. Ensure compliance with security baselines. User & Access Administration Create JOB Description Senior Systems Administrator Application Support & Endpoint Infrastructure Department - Information Technology (IT Infrastructure & Operations) Reports To Sr. IT Manager Job Summary We are seeking an experienced Senior Systems Administrator to manage and support enterprise infrastructure, endpoint security solutions, and critical IT applications. The ideal candidate will have strong expertise in Mobile Device Management (MDM), Endpoint Protection/Antivirus, Data Loss Prevention (DLP), Privileged Access Management (PAM), Security Information and Event Management (SIEM), Windows Server administration, and endpoint support. The role requires hands-on experience in maintaining secure, reliable, and highly available IT systems while providing Level 2/Level 3 technical support for desktops, laptops, and enterprise applications. The candidate should possess exc