Systems Administrator II

• Administer and configure physical and virtual environments across multiple platforms, ensuring the efficient deployment and maintenance of all machines.
• Manage Linux user accounts, security groups, permissions, and file systems to ensure secure and efficient access controls. Manage integration with Active Directory services and SSO.
• Maintain all Active Directory actions such as account creation, auditing, profile configuration, security permissions, file structure and organization, and exchange configuration.
• Manage DNS and DHCP server configurations, ensuring accurate domain name resolution and IP address allocation.
• Utilize various scripting languages to automate system tasks, reduce manual workload, and enhance system reporting and management capabilities.
• Utilize advanced monitoring tools such as SolarWinds, Splunk, Trellix, Vsphere, and ACAS to oversee real-time network and system performance. Monitor and manage system resources including CPU usage, memory usage, and disk usage to ensure optimal efficiency and security compliance.
• Install and maintain all program software and hardware.
• Perform patches and upgrades to ensure compliance with security frameworks such as NIST, CIS, ISO 27001, MITRE ATT&CK, STIGs, SCG and relevant NIST controls .
• Collaborate with Systems Admins, Network admins, Software Engineers, and Hardware Engineers to ensure seamless integration and efficient system operations.
• Provide help desk support and training to ensure comprehensive coverage and quick response to system issues during rotational shifts.

Degree(s)/Years of Experience:

(2 +BA/BS or 1+MA/MS) or (4 +AA) or (6+No Degree).

Certification(s):

8140.03 DoD Certification (CompTIA Security + at date of hire and an Industry operating certification such as Microsoft Windows Server Hybrid Administrator, Linux+, RHCSA within 6 months from date of hire)

Experience:

• Experience in monitoring and managing system resources, including CPU usage, disk usage, and response times to maintain the systems operating efficiency.
• Experience in setting up administrator accounts, maintaining system documentation, tuning system performance, installing system wide software and allocating mass storage space.
• Experience in monitoring policies and standards for allocation related to the use of computing resources.
• Experience in providing patches and security compliance for installed applications and operating systems.
• Experience in scheduling and managing the installation of system software updates and patches to ensure high levels of security and efficiency.
• Experience in performing hardware installs and configuration; COTS SW installs; security patching; hardware maintenance; and user accounts.