Senior Systems Admin - Desktop & Enterprise IT (On-site VA)

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

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.