Systems Administrator II Desktop Support

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. 

Key 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. 

Required Qualifications: 

Certifications (CWF Requirements): 

• Candidates must satisfy Cybersecurity Workforce Framework (CWF) ID 451 (System Administrator – Intermediate Level) requirements, as outlined by Navy 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: 

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

Experience: 

• 3-6 years of professional experience managing and supporting enterprise-level IT environments. 

Technical Skills: 

• 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 PowerShell, Bash, or Python to streamline operations. 
• Expertise in system performance monitoring and troubleshooting tools (e.g., Splunk, Nagios, SolarWinds, 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 8510.01, for ensuring infrastructure meets operational requirements. 

Preferred Certifications (In Addition to CWF Requirements): 

• Microsoft Certified: Windows Server Hybrid Administrator Associate 
• Red Hat Certified System Administrator (RHCSA) or Red Hat Certified Engineer (RHCE) 
• Nutanix Certified Professional (NCP) or advanced Nutanix certifications 
• VMware Certified Professional (VCP) 
• ITIL v4 Foundation or equivalent 

Clearance Requirement: 

• Active TS/SCI clearance with the ability to obtain and maintain a TS/SCI with Poly. 

Work Environment and Notes: 

• On-Site Work: All work must be conducted on-site in Springfield, VA. 
• Program Scope: Supports on-premises enterprise IT environments, including virtualized Windows servers, MS SQL Server databases, and networking layers. 
• Subcontractor Role: Responsibilities and compensation vary based on the subcontract agreement, with a competitive salary aligned to market rates and role-specific requirements.