Linux System Administrator

Job Description

Linux Systems Administrator – Active Top Secret Clearance

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Location: Springfield, VA – 100% Onsite

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Salary: Up to $160,000 Base + Bonus

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Benefits: 401(k) Match, Profit Sharing, Comprehensive Benefits

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Clearance Required: Active Top Secret (TS)

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Employment Type: Full-Time, Direct Hire

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Position Overview

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We are seeking an experienced Linux Systems Administrator to support and maintain mission-critical infrastructure within a secure federal government environment. This position is ideal for a technically strong Linux professional who enjoys hands-on systems administration, troubleshooting complex infrastructure issues, and ensuring the reliability, security, and performance of enterprise Linux environments.

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The successful candidate will have extensive experience administering Linux systems in production environments, resolving escalated technical issues, and supporting infrastructure operations where security, uptime, and system stability are essential.

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This is a fully onsite position in Springfield, VA, requiring an active Top Secret security clearance.

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Key Responsibilities

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• Administer, configure, maintain, and troubleshoot enterprise Linux servers and infrastructure in secure production environments.
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• Support Linux distributions including Red Hat Enterprise Linux (RHEL), CentOS, Ubuntu, or similar platforms.
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• Monitor system performance, availability, resource utilization, and overall infrastructure health.
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• Diagnose and resolve complex Linux operating system, networking, storage, and application-related issues.
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• Handle escalated technical incidents, perform root cause analysis, and implement long-term solutions.
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• Manage system patching, updates, security configurations, and vulnerability remediation in accordance with federal security requirements.
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• Develop and maintain automation scripts using Bash, Python, or similar scripting languages to improve operational efficiency.
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• Support system deployments, configuration management, and infrastructure improvements.
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• Collaborate with engineering, cybersecurity, and infrastructure teams to maintain secure and reliable systems.
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• Maintain technical documentation, standard operating procedures, and system configuration records.
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Required Qualifications

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• Active Top Secret security clearance is mandatory.
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• Strong professional experience administering Linux systems in enterprise or production environments.
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• Extensive hands-on experience with Red Hat Enterprise Linux (RHEL) or comparable Linux distributions.
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• Strong troubleshooting skills across operating systems, servers, storage, and networking.
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• Experience managing system security, user permissions, patching, and vulnerability remediation.
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• Proficiency in Linux command-line administration and shell scripting.
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• Experience supporting business-critical or mission-critical infrastructure.
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• Understanding of networking fundamentals, including TCP/IP, DNS, SSH, firewalls, and related protocols.
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• Ability to work independently, prioritize technical issues, and resolve complex problems in demanding environments.
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• Ability to work onsite in Springfield, VA, five days per week.
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Preferred Technical Experience

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• Automation and configuration management using Ansible, Puppet, Chef, or Terraform.
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• Experience with DevOps methodologies, CI/CD pipelines, or infrastructure automation.
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• Virtualization technologies such as VMware or KVM.
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• Containerization technologies including Docker, Kubernetes, or OpenShift.
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• Experience supporting classified government systems or DoD environments.
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• Familiarity with DISA STIGs, system hardening, and federal cybersecurity compliance standards.
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• Experience with monitoring and logging tools such as Splunk, Nagios, Grafana, or similar platforms.
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• CompTIA Security+, RHCSA, RHCE, or other relevant technical certifications.
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Compensation & Benefits

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• Base Salary: Up to $160,000 annually
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• Performance Bonus: Additional bonus opportunities
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• 401(k): Employer matching contributions
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• Profit Sharing: Eligibility after one year of employment
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• Comprehensive Benefits: Employer-sponsored benefits package
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• Employment Stability: Long-term opportunity supporting secure, mission-critical government technology environments
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Additional Information

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This opportunity is best suited for a hands-on Linux Systems Administrator who thrives in technically demanding, security-focused environments. We are looking for someone who can take ownership of production systems, independently troubleshoot complex issues, and contribute to the continued stability and improvement of critical infrastructure.

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Candidates must hold an active Top Secret clearance and be available to work fully onsite in Springfield, Virginia.