Systems Administrator II – Desktop Support

Job

Location Springfield, VA, US

Date Posted

Category Information Technology

Subcategory Sys Administrator

Schedule Full-Time

Shift Day Job

Travel Yes - 10% of the time

Minimum Clearance Required

Clearance Level Must Be Able to Obtain TS/SCI with Poly

Potential for Remote Work _SITE

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.

• 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., Power Shell, 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, Solar Winds, 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

• Candidates must satisfy Cybersecurity Workforce Framework (CWF) (System Administrator – Intermediate Level) requirements, as outlined byNavy COOL This requirement can be met by possessing one or more of the following qualifying certifications
• CompTIA Cloud+
• CompTIA Security+
• GIAC Global Industrial Cyber Security Professional (GICSP)
• GIAC Security Essentials Certification (GSEC)
• Systems Security Certified Practitioner (SSCP)

OR This requirement can be met through

• ABachelor’s Degreein Cybersecurity, Computer Science, IT, or a related field

• 3-6 yearsof professional experience managing and supporting enterprise-levelIT environments

• Expertise in Windows Server administration, including Active Directory, DNS, and group policy management
• Strong knowledge of Red Hat Enterprise Linux (RHEL), including configuration, management, troubleshooting, and security hardening
• Comprehensive understanding of enterprise virtualized environments (e.g., VMware, Hyper-V) and managing VMs in multi-hypervisor architectures
• Experience with backup and recovery solutions, clustering, and high availability (HA) architectures
• Proficiency in scripting and automation using tools like Power Shell, Bash, or Python to streamline operations
• Expertise in system performance monitoring and troubleshooting tools (e.g., Splunk, Nagios, Solar Winds, or Grafana) for diagnostics and proactive issue resolution
• Hands‑on experience with network services (e.g., DHCP, TCP/IP, load balancing, and…