Job 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. 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: • High School diploma/GED 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

Requirements

Must-haves

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
High School diploma/GED
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)
A   Bachelor’s Degree   in Cybersecurity, Computer Science, IT, or a related field
3-6 years   of professional experience managing and supporting enterprise-level   IT 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

Nice-to-haves

Preferred Certifications (In Addition to CWF Requirements):

Application prep

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Keywords to mirror

pythonsql

Platform: oracle-cloud
Effort: medium