Systems Administrator II – Desktop Support

Description

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 providedesktopmaintenance 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 willbe responsible fordesktopadministration, 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 andmaintainenterprise infrastructure for compliance with security and reliability requirements
• Manage patching across Windows and Linux servers using tools like WSUS, Microsoft SCCM, and Ansible
• Write andmaintainscripting 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 tomonitorhealth 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

• Bachelors degree in related field and 2-9+ years of experience OR;
• Masters degree in related field and 0-7+ years of experience OR;
• High School diploma or equivalent and 6-13+ years of experience

• Candidates must satisfy Cybersecurity Workforce Framework (CWF) (System Administrator – Intermediate Level)requirements, as outlined by Navy COOL This requirement can be met bypossessingone 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)

ORThis requirement can be met through:

• A
  Bachelor's Degree
  in Cybersecurity, Computer Science, IT, or a related field

• 3-6years
  of professional experience managing and supporting enterprise-levelITenvironments

• 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 VLAN configurations)
• Strong understanding of security and compliance standards, including RMF, NIST 800-53, and DoD…