Senior Linux Engineer

*On-site/Hybrid* *Location:* Washington, DC or Columbia, SC *Citizenship:* U.S. citizenship required We are seeking an experienced Senior Linux Engineer to support secure, reliable infrastructure for mission-critical enterprise applications. In this role, you will provide advanced Linux engineering, administration, modernization, and operational support across on-premises and government cloud environments. You will help improve system reliability, strengthen security, expand automation, and support cloud adoption. *Key Responsibilities*

• Design, deploy, configure, and maintain Linux servers, primarily Red Hat Enterprise Linux (RHEL), across on-premises and cloud environments.
• Implement secure system configurations aligned with NIST and applicable federal cybersecurity standards.
• Manage operating system patching, kernel dependencies, lifecycle maintenance, and performance tuning.
• Support enterprise applications, web services, databases, and middleware running on Linux.
• Develop and maintain automation scripts using Bash, Python, or similar tools.
• Implement configuration management and Infrastructure as Code using Ansible, Terraform, or comparable technologies.
• Support the migration, deployment, and administration of Linux workloads in AWS GovCloud and Azure Government.
• Provide Tier 3 support, including complex troubleshooting, root-cause analysis, and system optimization.
• Maintain architecture diagrams, configuration baselines, automation documentation, migration plans, and change management records.
• Prepare system health reports, patching summaries, vulnerability remediation updates, and security compliance documentation.

*Required Qualifications*

• 8–10+ years of Linux engineering experience in enterprise or federal environments.
• Advanced hands-on experience with RHEL 7, 8, and 9.
• Strong Bash scripting skills and proficiency in at least one additional scripting or programming language; Python preferred.
• Hands-on experience with Ansible and Infrastructure as Code.
• Knowledge of VMware virtualization, containers, and cloud computing.
• Experience supporting federal security compliance frameworks, including FISMA, NIST SP 800-53, and Security Technical Implementation Guides (STIGs).
• Strong troubleshooting, technical documentation, and system administration skills.

*Citizenship and Security Requirements*

• Must be a U.S. citizen.
• Must satisfy applicable federal background investigation, suitability, and security clearance requirements.

People with a criminal record are encouraged to apply