Enterprise Red Hat / Linux Administrator with Security Clearance


aXseum, Inc.

• Collaborate with stakeholders and technical operation teams to analyze, develop, configure, test, integrate, and maintain all associated RHEL systems.
• Develop and maintain efficient and scalable RHEL platform configuration management practices, services, and baseline configurations.
• Execute needs assessments, gap analyses, and develop associated solutions for RHEL platforms.
• Deploy, configure, and maintain patches, configurations, upgrades, and applicable documentation for RHEL platforms.
• Troubleshoot, isolate, and resolve RHEL platform issues.
• Implement, manage, and audit DISA STIGs and the remediation or mitigation of vulnerabilities associated with RHEL platforms and services.
• Acts as one of the primary points of contact to provide RHEL platform support for application associated systems and services. WHAT YOU’LL NEED TO SUCCEED:
Required Knowledge, Skills, and Abilities:
• Capability to work both independently and as part of a team.
• Strong communication and collaboration skills.
• Advanced problem solving and critical thinking abilities.
• Adept in the exclusive use and navigation of the RHEL command line interface.
• Holistic understanding of RHEL platform interactions with external applications, platforms, and services (e.g., Active Directory/LDAP integration, network file service protocols, Active Directory Certificate Services).
• Intermediate RHEL 7 and 8 platform system administration skills and knowledge of configuration of technologies and services provided.
• Demonstrated knowledge and utilization of Ansible ad hoc and playbook executions.
• Significant experience with the development and execution of shell scripts.
• Basic knowledge and operation of Windows based platforms, services, and applications.
• Basic knowledge and operation of VMware vSphere 7 (or later). Preferred Knowledge, Skills, and Abilities: • Experience supporting: Appian Platform, Tenable Security Center + Nessus (ACAS), Trellix ESS (client-side), Puppet, Chef, IdM, and git repositories.
• Intermediate experience with RHEL 7 and 8 platform system engineering and concepts (e.g., automation, orchestration, strategic planning).
• Appreciation and understanding of DevSecOps concepts and practices.
• Basic knowledge of SecurID RSA multifactor authentication RHEL client configurations.
• Strong work ethic, motivation, and a high desire to learn.
• Effective time management and organization skills. Qualifications: • BS degree in a related field, this can be substituted by work experience.
• Required: 5+ years of experience.
• Required: Fully adjudicated Top Secret clearance w/ TS/SCI eligibility.
• Required Certifications: DoD 8570 IAT Level II (e.g., CompTIA Security+ CE)
• Preferred Certifications: Red Hat (e.g., Red Hat Certified System Administrator/RHCSA), Oracle Certified Professional – Oracle Linux System Administrator/OCP – OLSA)

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