Linux Systems Administrator - Top Secret Clearance (SCI Eligible) at JFL Consulting LLC – Washington, District of Columbia

Job Title: Linux Systems Administrator

Place of Performance: Washington, DC 20392

Mandatory Requirements: Top Secret Clearance (SCI Eligible)

Experience Level: Mid-Level (5+ years)

About JFL Consulting

With more than 20 years of securing some of the U.S. Department of Defense and the Intelligence Community’s most critical networks, JFL Consulting, LLC provides advanced network security solutions to a range of US Government and US commercial clients.

Our cybersecurity operators are experts at assessing and defending mission-critical data and the networks that facilitate their operation. We are focused on delivering advanced products and industry best practices that meet each customer’s unique requirements. Visit www.jflconsulting.com

What we offer:

• Free on-site parking in Washington, DC
• 100% employer-paid medical, dental, and vision for employees and dependents
• Flexible Spending Accounts (healthcare, dependent care, and commuter)
• Life insurance, short-term disability and long-term disability
• 401(k) with immediate vesting of company contribution
• Generous PTO policy (15 vacation, 5 sick, 2 personal days, 11 holidays)

Job Description

JFL Consulting, LLC is seeking a Linux Systems Administrator to support mission-critical enterprise Linux environments in the Washington, DC area.

This role is centered on secure system administration, lifecycle management, and automation within highly regulated environments. You will support upgrades, patching, configuration management, security hardening, and performance optimization across enterprise Linux platforms.

Responsibilities

• Administer and maintain enterprise Linux systems (RHEL and derivatives).
• Perform system upgrades, patch management, and security hardening.
• Manage configuration baselines and ensure compliance with security policies.
• Troubleshoot system issues and support performance tuning efforts.
• Automate routine administrative tasks using Bash and/or Python.
• Support Linux systems in virtualized environments (VMware).
• Participate in system documentation, standards development, and operational procedures.
• Collaborate with network and security teams to support overall mission objectives.

Requirements

• Active TS/SCI clearance required.
• Security+, CASP+, or equivalent DoD 8570 IAT Level II/III certification.
• 5+ years of hands-on Linux administration experience in enterprise environments.
• Strong experience with RHEL and related distributions.
• Proficiency in Linux CLI and shell scripting.
• Experience in virtualized server environments (VMware preferred).
• Familiarity with configuration management tools (e.g., Ansible, Puppet).
• Experience supporting secure or regulated environments (DoD/IC preferred).

JFL Consulting, LLC is an Equal Opportunity Employer.

We do not discriminate against any applicant for employment on any legally recognized basis including, but not limited to: race, religion or creed, color, national origin, sex, age, disability, marital status, sexual orientation, genetic information, veteran status, status with regard to public assistance or any other protected class under federal, state or local statute. It is also the policy of JFL Consulting, LLC to provide reasonable accommodations for qualified individuals with disabilities.