Linux Systems Administrator at SAIC, Chantilly, VA
Linux Systems Administrator at SAIC in Chantilly, VA. Est. up to $130k. Apply with swipeandhired.
Join a team that powers critical infrastructure and keeps mission-essential systems running securely, efficiently, and reliably. SAIC is seeking a skilled Linux Systems Administrator who thrives in complex enterprise environments and enjoys solving challenging technical problems across Linux, virtualization, and infrastructure platforms.
In this role, you'll be a key member of the systems engineering team, responsible for the health, performance, security, and lifecycle management of our Linux-based infrastructure. You'll work with modern virtualization technologies, support enterprise-scale environments, implement automation, and help drive continuous improvement across our server and infrastructure ecosystem.
What You'll Do:
- Administer and maintain enterprise Linux environments, with a primary focus on Red Hat Enterprise Linux (RHEL)
- Ensure system availability, performance, and security through proactive monitoring, troubleshooting, patching, and upgrades
- Support and manage VMware vSphere and VMware Cloud Foundation (VCF) infrastructure
- Implement and maintain security best practices, including CIS and STIG hardening standards
- Troubleshoot and resolve infrastructure, application, operating system, connectivity, and security issues across on-premises environments
- Monitor and optimize system resources including CPU, memory, storage, and overall server performance
- Manage local repositories and coordinate operating system patching and lifecycle activities
- Collaborate with infrastructure and systems teams on architecture, deployment, and operational initiatives
- Develop and enhance automation through scripting and configuration management tools
- Support Microsoft-based services and technologies, including Active Directory, DNS, DHCP, and related infrastructure components
- Contribute to ongoing modernization efforts and continuous improvement across the enterprise technology stack
- Experience providing systems administration support within mixed Microsoft Windows and Red Hat Enterprise Linux (RHEL) environments
- Hands-on experience installing, configuring, administering, and troubleshooting Linux operating systems
- Experience monitoring Linux infrastructure health, performance, and availability, and proactively resolving issues
- Experience troubleshooting and resolving application, infrastructure, connectivity, and security issues in on-premises environments
- Experience diagnosing and remediating server performance issues involving CPU, memory, storage, and system resources
- Experience implementing Linux security hardening using CIS Benchmarks and/or STIG requirements
Experience maintaining local repositories and performing system patching, updates, and lifecycle management activities
- Experience supporting VMware vSphere and/or VMware Cloud Foundation (VCF) environments
- Experience performing general systems administration and infrastructure support tasks across multiple technology platforms
- Experience collaborating with infrastructure and systems engineering teams to support enterprise environments
- Experience administering Microsoft infrastructure services, including Active Directory, DNS, DHCP, and related network services
- Experience supporting desktop and workstation hardware
- Experience implementing and managing Role-Based Access Control (RBAC) within multi-tenant environments
- Experience developing or maintaining automation through scripting
- Ability to support multiple priorities in a dynamic enterprise IT environment
Preferred Qualifications:
- Red Hat Certified System Administrator (RHCSA) and/or Red Hat Certified Engineer (RHCE) certification
- Experience with Ansible, Puppet, or similar configuration management and automation tools
- Working knowledge of Windows 11, Windows Server, VMware vCenter Server Appliance (VCSA), and VMware Cloud Foundation (VCF)
- Working knowledge of enterprise infrastructure hardware, appliances, and supporting technologies
- Experience performing Windows Server installation, configuration, patching, upgrades, migrations, and ongoing administration
- Experience supporting enterprise virtualization, server infrastructure, and hybrid technology environments