Systems Administrator III

Responsibilities

• This role is responsible for installation, configuration, administration, support, and maintenance of networks, including associated hardware. Duties include updating to new technologies, tuning performance, and prioritizing the implementation of critical system patches. This infrastructure includes on-premises.
• ESSENTIAL
• Develop, collaborate, and implement technical solutions.
• Support customer requirements.
• Develop and update technical solutions, operations, and maintenance documentation for personnel.
• Data center support including racking and cabling diverse equipment.
• Resolves network problems in cooperation with senior network engineers.
• Troubleshoots problems using tools and routine procedures; escalates as appropriate.
• Active Directory
• o Executes scheduled maintenance routines in accordance with standard procedures.
• o Interfaces with users and/or vendors.
• o Administer, maintain, and troubleshoot Microsoft Active Directory infrastructure, including user and group account management, OU structure, and Group Policy Objects (GPOs).
• o Monitor domain controllers, replication, and DNS configurations to ensure high availability and performance of the AD environment.
• o Implement and manage Group Policy to enforce security settings, software deployment, and user environment configurations.
• o Collaborate with Cyber teams to implement role-based access control (RBAC) to systems and network storage, administer account lifecycle management
• System Administration
• o Plan, configure, and deploy Microsoft Windows Servers, Desktops, and Laptops, including installation, patch management, and baseline system configuration.
• o Implement standard configuration baselines and security settings on all deployed systems in line with organizational policies.
• o Implement and maintain system security baselines, including firewall settings, antivirus configurations, and user access controls aligned with organizational policies.
• o Provide post-deployment support including troubleshooting hardware/software issues and validating adherence to baseline configurations.