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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Systems Administrator II - Desktop Support - **Company:** Science Applications International Corporation - **Location:** Springfield, VA, United States - **Experience:** Expert - **Salary:** $80,001.0 - $120,000.0 - **Contract:** Permanent contract - **Skills:** Comptia Cloud+, Microsoft Windows, Active Directory, Bash Shell, Cluster Analysis, CompTIA Security+, Cyber Security, Databases, Dynamic Host Configuration Protocol, Linux, Disaster Recovery, Domain Name System (DNS), Monitoring of Systems, Hyper-V, Python (Programming Language), Linux Servers, Microsoft Security Essentials, Microsoft Office, Microsoft SQL Server, System Center Configuration Manager, Windows Servers, Nagios, Network Service, Windows PowerShell, Red Hat Enterprise Linux, Ansible, TCP/IP, Virtual Local Area Networks, Virtualization Technology, Diagnostic Tools, Load Balancing, System Availability, Grafana, Hyperconverged Infrastructure, Information Technology, SolarWinds (Software), Performance Monitor, Patch Management, Nutanix, Splunk, Wsus, User Administration, Vmware - **Published:** October 26, 2026 - **Apply:** https://www.techcareers.com/job.asp?id=3466742089&tx=KK7373FFQ&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role * High School diploma/GED, * Candidates must satisfy Cybersecurity Workforce Framework (CWF) ID 451 (System Administrator - Intermediate Level) requirements, as outlined by Navy COOL (https://www.cool.osd.mil/usn/cswf/index.html?CWFModel) 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 ITenvironments 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, * Program Scope: Supports on-premises enterprise IT environments, including virtualized Windows servers, MS SQL Server databases, and networking layers ## 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 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., 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