Linux System Administrator Jobs

About The Position

Requirements

• Active Secret clearance, with the ability to obtain and maintain TS/SCI clearance.
• Meet the Intermediate Proficiency Level requirements established under DoD 8140.03-M.
• Current Red Hat Certified System Administrator certification, version 6 or later, in good standing.
• At least three years of experience managing, supporting, patching, backing up, and restoring Linux/UNIX systems and applications in a Department of Defense environment.
• Experience securing systems and applications in accordance with federal and DoD regulations, directives, policies, and Security Technical Implementation Guides (STIGs).
• Experience managing BIND DNS, DNS zones, and DNSSEC.
• Experience administering Linux/UNIX operating systems in a virtual machine environment, such as VMware.
• Experience installing, configuring, and managing ACAS in a DoD environment.
• Experience managing SMTP relays.
• Experience managing and securing Apache web servers.
• Experience managing YUM repositories and servers.
• Hands-on experience with Ansible.
• Experience managing, supporting, and using Splunk and Syslog servers.
• Experience supporting Endpoint Security Solutions agents on Linux/UNIX systems.
• Clearance requirements are established by the government contract.

Responsibilities

• Administer, maintain, patch, secure, and troubleshoot Linux/UNIX systems and applications.
• Support Red Hat Enterprise Linux, BIND DNS, DNSSEC, ACAS, Splunk, Syslog, Apache, Ansible, YUM, SMTP relay, and ServiceNow.
• Maintain STIG, DoD PKI, ESS, and cybersecurity compliance across assigned systems.
• Review system logs, ACAS scans, vulnerabilities, and ServiceNow tickets daily, and resolve identified issues.
• Develop scripts, automation, Kickstart deployment files, and ServiceNow workflows.
• Perform system backups, restorations, continuity testing, and documentation updates.
• Support command exercises, inspections, maintenance activities, and scheduled or unscheduled outages.
• Participate in technical meetings and provide status updates, recommendations, and monthly reporting.
• Provide occasional after-hours and weekend support as mission requirements dictate.

Benefits

• Comprehensive benefits program.
• Medical insurance.
• Dental insurance.
• Vision insurance.
• Life insurance.
• 401(k).
• Other voluntary benefits.
• Paid Time Off (PTO) for regular full-time and part-time employees.
• Competitive pay.
• Growth opportunities.
• Retirement options.
• Potential sign-on bonus of up to $10,000 for eligible candidates, based on qualifications and relevant experience.