Senior Linux Administrator

  • ARLINGTON, VA
  • Posted 5 days ago | Updated 2 hours ago

Overview

On Site
Full Time

Skills

Red Hat Linux
Operating Systems
Performance Management
Preventive Maintenance
Project Management
Servers
VMware
Regulatory Compliance
Collaboration
Migration
System Monitoring
Log Management
STIG
Satellite
Management
Red Hat Enterprise Linux
Scripting
Ansible
Provisioning
Configuration Management
Security Clearance
DoD
Cisco Certifications
GSEC
Security+
Customer Engagement
SSCP
Computer Science
Information Systems
Firewall
Linux
Computer Networking
DNS
Dragon NaturallySpeaking
Information Technology
Systems Engineering
FOCUS

Job Details

Job ID: 2510581

Location: ARLINGTON, VA, US

Date Posted: 2025-10-07

Category: Information Technology

Subcategory: Sys Administrator

Schedule: Full-time

Shift: Day Job

Travel: No

Minimum Clearance Required: Top Secret

Clearance Level Must Be Able to Obtain: None

Potential for Remote Work: No

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.


Qualifications

REQUIRED QUALIFICATIONS:
  • Active DOD Top Secret clearance.
  • ship.
  • 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.



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