Systems Administrator II – Desktop Support

SAIC•Port Hueneme, CA

10d•Onsite

About The Position

SAIC is seeking a highly motivated and skilled Senior Systems Administrator II – Desktop Support to join our MAJESTIC Joint Program Office (JPO) Team in support of an on-premises enterprise IT environment. This individual will provide desktop maintenance of mission-critical systems and infrastructure, including Windows Servers, Red Hat Enterprise Linux (RHEL), and Nutanix hyper-converged platform solutions. The successful candidate will serve as a member of a dynamic team responsible for ensuring the performance, reliability, and security of a large-scale enterprise IT environment. The Systems Administrator II – Desktop Support will be responsible for desktop administration, patch management, system troubleshooting, and the implementation of new capabilities to meet operational and mission requirements. This role requires direct on-site support in the Springfield, VA location.

Requirements

Windows Servers
Red Hat Enterprise Linux (RHEL)
Nutanix hyper-converged platform solutions
Desktop administration
Patch management
System troubleshooting
Implementation of new capabilities
WSUS
Microsoft SCCM
Ansible
PowerShell
Bash
Python
Active Directory (AD)
Group policies
User administration
Cross-platform integration with RHEL
Nagios
Splunk
SolarWinds
Grafana
Technical documentation
System diagrams
SOPs
Recovery procedures

Responsibilities

Perform day-to-day system administration tasks to ensure the availability, security, and performance of critical enterprise Windows Server and RHEL systems
Monitor system performance and maintain enterprise infrastructure for compliance with security and reliability requirements
Manage patching across Windows and Linux servers using tools like WSUS, Microsoft SCCM, and Ansible
Write and maintain scripting solutions (e.g., PowerShell, Bash, or Python) to automate repetitive administrative tasks and improve operational efficiency
Implement and administer Active Directory (AD), including group policies, user administration, and cross-platform integration with RHEL
Leverage monitoring tools such as Nagios, Splunk, SolarWinds, and Grafana to monitor health and resolve issues proactively
Collaborate with cross-functional teams to ensure proper integration of Windows, Linux, and Nutanix environments into overall enterprise infrastructure
Analyze and troubleshoot system performance or configuration issues and implement long-term solutions to systemic challenges
Maintain detailed technical documentation, including system diagrams, SOPs, and recovery procedures
Provide technical support for application teams leveraging Windows Servers, RHEL systems, and Nutanix, ensuring seamless operations
Assist with evaluating and implementing new infrastructure technologies, tools, and processes to drive continuous improvement