Job Description

Red Hat Linux Systems Engineer (Journeyman)At The One 23 Group, our mission is to set the benchmark for excellence in government services. We empower our clients in the Department of War, Intelligence Community, and Federal Civilian sectors to excel with our advanced capabilities. Our dedication lies in fostering a people-first culture, underpinned by steadfast ethical principles. Embracing innovative technologies and process improvements, we are steadfast in our journey toward a future that is both bright and transformative.Our expertise spans Enterprise IT, Mission IT and Cyber. With our global footprint, we place a strong emphasis on nurturing our people and culture, which forms the core of our successful strategies in leadership and financial management. We pride ourselves on our extensive experience and effective approach, ensuring that we lead with both innovation and integrity.The Red Hat Linux Systems Engineer (Journeyman) provides Tier II system administration and operational support for Linux-based environments supporting Joint Staff Command and Control (C2) systems. This role ensures system availability, performance, and security within a classified enterprise environment while supporting both primary and contingency operations.Responsibilities:Administer, configure, and maintain Red Hat Enterprise Linux (RHEL) systems.Monitor system performance, availability, and resource utilization.Troubleshoot hardware, software, and OS-level issues.Apply patches, upgrades, and security updates in compliance with change management.Manage user accounts, permissions, and access controls.Support backup, recovery, and system restoration processes.Maintain system logs and ensure audit and compliance requirements are met.Support integration with enterprise storage and infrastructure systems.Collaborate with network, database, and application teams to ensure system reliability.Participate in incident, problem, and change management processes.Additional Information:On-site at the Pentagon.Requirements:Active Top Secret clearance with SCI eligibility; ANDDoD IAT Level II certification (e.g., Security+ CE); AND10+ years of relevant IT experience; ANDExperience administering Linux/UNIX systems in enterprise environments.Preferred:Linux AdministrationExperience with Red Hat Enterprise Linux (RHEL) system administrationExperience with system patching, package management (yum/dnf), and repository managementFamiliarity with system performance tuning and troubleshootingScripting & AutomationExperience with Bash or shell scripting for automationFamiliarity with task automation and cron job managementSecurity & ComplianceExperience applying DISA STIGs to Linux systemsFamiliarity with vulnerability remediation and IAVA patchingVirtualization & InfrastructureExperience with VMware environments supporting Linux systemsFamiliarity with virtual server provisioning and lifecycle managementEnterprise OperationsExperience working in classified or DoD enterprise environmentsFamiliarity with C2 systemsEqual opportunity employer, including disability/vets.

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