Systems Administrator II – Desktop Support

Saic; Port Hueneme (CA); On-site; USD 80,000 - 120,000; Full time

Job summary

SAIC is seeking a Senior Systems Administrator II – Desktop Support to join the MAJESTIC JPO team in support of an on-premises enterprise IT environment. The role covers desktop maintenance of mission-critical systems, Windows Servers, RHEL, and Nutanix platforms in Springfield, VA.

The candidate will perform day-to-day administration, patch management, scripting, AD administration, and proactive monitoring to ensure security, reliability, and performance across the enterprise infrastructure.

Qualifications

• Bachelor's degree in related field with 2-9+ years of experience
• Masters degree in related field with 0-7+ years of experience
• High School diploma or equivalent with 6-13+ years of experience

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 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

Skills

Windows Server administration

Active Directory

RHEL

Virtualization

Scripting

Monitoring tools

Security/compliance

On-site support

Patch management

PowerShell

Python

Education

Bachelor's degree in related field

Master's degree in related field

High School diploma or equivalent

Tools

WSUS

Microsoft SCCM

Ansible

PowerShell

Bash

Python

Nagios

Splunk

SolarWinds

Grafana

VMware

Hyper-V

Nutanix

MS SQL Server

Job description

Description

SAIC is seeking a highly motivated and skilled Senior Systems AdministratorII –Desktop Support to join our MAJESTIC Joint Program Office (JPO) Team in support of an on-premises enterprise IT environment. This individual will providedesktopmaintenance of mission-criticalsystems 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.TheSystemsAdministrator II–Desktop Support willbe responsible fordesktopadministration, 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 andmaintainenterprise infrastructure for compliance with security and reliability requirements
• Manage patching across Windows and Linux servers using tools like WSUS, Microsoft SCCM, and Ansible
• Write andmaintainscripting 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 tomonitorhealth 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 teamsleveragingWindows Servers, RHEL systems, and Nutanix, ensuring seamless operations
• Assistwith evaluating and implementing new infrastructure technologies, tools, and processes to drive continuous improvement

Qualifications

Education

• Bachelors degree in related field and 2-9+ years of experience OR;
• Masters degree in related field and 0-7+ years of experience OR;
• High School diploma or equivalent and 6-13+ years of experience

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 bypossessingone 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)

ORThis requirement can be met through:

• ABachelor's Degreein Cybersecurity, Computer Science, IT, or a related field

Experience

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

Technical Skills

• Expertisein 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
• Proficiencyin scripting and automation using tools like PowerShell, Bash, or Python to streamline operations
• Expertisein 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 andmaintainaTS/SCI with Poly

Work Environment and Notes

• On-Site Work:All work must be conductedon-sitein 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

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