Senior Linux Administrator at SAIC

Arlington, Texas, United States -

Full Time

Start Date

Immediate

Expiry Date

06 Jan, 26

Salary

0.0

Posted On

08 Oct, 25

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Linux Administration, Red Hat, VMWare, Troubleshooting, Security Compliance, System Availability, System Upgrades, Migrations, Automation Scripts, Ansible, Server Monitoring, Patch Management, STIG Compliance, Satellite Server Administration, Networking Configuration, DNS

Industry

Defense and Space Manufacturing

Description

Team SAIC is seeking an experienced Red Hat Senior Linux Administrator to operate and maintain the Linux operating systems within our environment. This position is based out of the Pentagon in Arlington, VA. Shift Schedule: Monday-Friday, 6:00 AM to 6:00 PM core hours with occasional after-hours onsite work to support a NIPR and SIPR environment. Position Overview: Provide effective provisioning, installation/configuration, operation, and maintenance of production Linux Servers in a VMWare Virtualized Environment. Play a key role in troubleshooting server performance, ensuring security compliance, and addressing system availability issues. Collaborate with other IT teams to ensure infrastructure solutions meet operational requirements and contribute to the overall efficiency and security of the organization's systems. Participate in system upgrades, migrations, and new deployments of Linux-based infrastructure. Ensure problems are tracked, escalated, and resolved at the appropriate priority level. Responsible for daily system monitoring, security, server health, resources and log management of all Linux systems. Experience with applying patches and building custom kernels as required to implement functionality or address security concerns. Maintain and update Server STIG (Security Technical Implementation Guide) requirements to comply with DISA standards. Administer Satellite Server, including managing content views, lifecycle environments, host provisioning, and deploying software and patches to RHEL systems. Develop and implement automation scripts and Ansible playbooks for streamlined infrastructure provisioning, configuration management, and repetitive tasks. Required Qualifications: Active DOD Top Secret clearance. US citizenship. DoD 8570.01-M/DoD 8140 Certification IAW established mandate prior to start of work - IAT Level II required (CCNA Security, CySA+, GICSP, GSEC, Security+ CE, SSCP). Bachelor’s degree in computer science, Information Systems, or related field or equivalent work experience. Minimum of five years of relevant work experience. Desired Qualifications: Knowledge of Linux firewalls, Linux RPMs, networking configuration, and DNS. Prior experience of working in a multi-tenant environment.

Responsibilities

The Senior Linux Administrator will operate and maintain Linux operating systems, ensuring effective provisioning, installation, configuration, and maintenance of production servers. The role includes troubleshooting server performance, ensuring security compliance, and collaborating with IT teams for operational efficiency.