Senior Systems Administrator II - Generalist

Description

SAIC is seeking a highly motivated and skilled Senior Systems Administrator II - Generalist to join our MAJESTIC Joint Program Office (JPO) Team in support of an on-premises enterprise IT environment. This individual will provide operational management, support, and maintenance of mission-critical infrastructure, including Windows Servers, Red Hat Enterprise Linux (RHEL), and Nutanix hyper-converged platform solutions.

The successful candidate will serve as a key member of a dynamic team responsible for ensuring the performance, reliability, and security of a large-scale enterprise IT environment. The Senior Systems Administrator II - Generalist will be responsible for server 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.
• Install, configure, and administer Nutanix hyper-converged infrastructure, including cluster creation, migrations, and upgrades.
• Monitor system performance and maintain enterprise infrastructure for compliance with security and reliability requirements.
• Manage server 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.
• Ensure high availability (HA) and disaster recovery capabilities across the environment, including clustering and redundancy mechanisms in Nutanix and server environments.
• Leverage monitoring tools such as Nagios, Splunk, SolarWinds, and Grafana to monitor server 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.
• Develop and 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

Education:

• Bachelor's Degree

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:

• 10-15 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.
• Hands-on experience with Nutanix hyper-converged infrastructure for cluster management, storage provisioning, and virtualized workload optimization.
• 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.

• Bachelor's Degree, * 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:

• 10-15 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.
• Hands-on experience with Nutanix hyper-converged infrastructure for cluster management, storage provisioning, and virtualized workload optimization.
• 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.