Systems Administrator

Systems AdministratorThe Systems Administrator will maintain, configure, and secure the organization's Windows and Linux server/workstation infrastructure, with primary responsibilities in Active Directory (including Group Policy), PostgreSQL administration, Remote Desktop Services, and helpdesk assistance. Systems operate 24/7; the role requires flexibility for out-of-hours work and participation in an on-call rotation.What You Get To Do…Administer Windows servers and workstations (installation, updates, troubleshooting, Windows Server features).Administer Linux servers (deployment, patching, package management, service monitoring, performance tuning).Administer Truenas (CORE and SCALE) file servers (management, service and performance)Install, configure, and maintain PostgreSQL databases: backups, replication, performance tuning, schema migrations, and troubleshooting.Manage Active Directory: user/group lifecycle, OU structure, Group Policy Object (GPO) design, application and troubleshooting, AD health monitoring.Configure and maintain Remote Desktop Services (RDS) / Terminal Services: session host farms, licensing, profiles, RD Gateway, and security.Provide first- and second-line helpdesk support for server- and workstation-related incidents; escalate to vendors or senior engineers as needed.Implement and maintain monitoring, logging, and alerting (metrics, log aggregation, capacity planning) to support 24/7 operations.Perform regular backups and validate disaster recovery and business continuity procedures for systems and databases.Harden systems and enforce security best practices: patch management, access controls, vulnerability remediation, auditing, and endpoint protection.Automate routine tasks and deployments using scripting (Bash, PowerShell, Python) and configuration management tools.Maintain accurate documentation: knowledgebase, on-call procedures, topology diagrams, change logs, and incident post-mortems.Participate in an on-call rotation and perform out-of-hours maintenance or incident response as required.