Systems Administrator II – Desktop Support

SAIC; Springfield (VA); On-site; USD 80,000 - 120,000; Full time

Job summary

SAIC is seeking a Senior Systems Administrator II – Desktop Support to join our MAJESTIC Joint Program Office team in Springfield, VA. On-site only, you will maintain mission-critical Windows and RHEL systems, and Nutanix platforms, ensuring performance, security, and reliability of a large enterprise IT environment.

You will handle patching, AD administration, scripting, and cross-team collaboration, applying RMF and DoD controls.

Qualifications

• 3–6 years of professional IT enterprise support experience.
• Certifications: CompTIA Cloud+ or Security+ or GIAC/GSEC/SSCP.
• Bachelor’s degree in Cybersecurity, CS, IT, or related field.
• Proficient Windows Server administration and AD/DNS/group policy.
• Strong RHEL knowledge and security hardening.
• Experience with virtualization (VMware/Hyper-V).
• Scripting skills (PowerShell, Bash, Python).
• RMF/NIST DoD 8510.01 security compliance.

Responsibilities

• Administer Windows Server and RHEL systems for availability and security.
• Manage patching with WSUS, SCCM, and Ansible.
• Develop automation scripts in PowerShell, Bash, or Python.
• Implement AD and group policies; integrate with RHEL.
• Monitor infrastructure with Splunk, Nagios, SolarWinds, Grafana.
• Maintain system documentation and SOPs.
• Collaborate across teams to align Windows, Linux, and Nutanix environments.
• Provide desktop support for on-site enterprise IT.

Skills

Windows Server

Active Directory

RHEL

VMware/Hyper-V

Scripting

Monitoring Tools

Networking Basics

Security & Compliance

Education

Bachelor's Degree in Cybersecurity/CS/IT

Tools

WSUS

SCCM

Ansible

Nutanix

VMware

Splunk

Job description

Job ID 2614942

Location Springfield, VA, US

Date Posted 2026-07-24

Category Information Technology

Subcategory Sys Administrator

Schedule Full-Time

Shift Day Job

Travel Yes - 10% of the time

Minimum Clearance Required Top_Secret

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

Potential for Remote Work ORA_ON_SITE

Description

SAIC is seeking a highly motivated and skilledSenior 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, includingWindows 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 theSpringfield, VAlocation.

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

Qualifications

Required Qualifications

Certifications (CWF Requirements)

• Candidates must satisfy Cybersecurity Workforce Framework (CWF)ID 451 (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

Experience

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

• ActiveTS/SCIclearance with the ability to obtain and maintain aTS/SCI with Poly

Work Environment and Notes

• On-Site WorkAll work must be conductedon-sitein Springfield, VA
• Program ScopeSupports on-premises enterprise IT environments, including virtualized Windows servers, MS SQL Server databases, and networking layers
• Subcontractor RoleResponsibilities and compensation vary based on the subcontract agreement, with a competitive salary aligned to market rates and role-specific requirements

Target salary range $80,001 - $120,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.