Lead Linux Administrator

Job Details

Lead Linux Administrator

US Citizenship Required

Fully Telework

Attention experienced Linux Administrators! We are looking for a Lead Linux Admin to join a project with the Department of Energy. This is a fully remote role! Experience managing a team and maintaining security services are desired.

Job Description

Responsible for unique or complex information systems and/or information technology projects across more than one discipline, such as application support, database administration, software quality assurance/quality control, software engineering, network telecommunications, and infrastructure operations of administration, analysis, engineering and design. Provides direction to other IT Administrators on the project in a senior administrator capacity. Considered a technical specialist in a variety of IT

administrator disciplines.

• Manage a team of Linux and Windows Administrators responsible for the planning, implementation, and managing of critical systems.
• Provide team members with clear direction, guidance, and coaching to maintain up time of critical systems.
• Communicate with internal and external teams regarding projects, tasks, issues, statuses and achievements.
• Create and manage the upkeep of documentation to include standard operating procedures and technical reviews.
• Maintain information security policies and procedures and ensuring system-wide compliance of critical infrastructure.
• Onboarding and training new team members.
• Working with other teams to integrate Linux systems with existing infrastructure and new technologies.
• Maintain and troubleshoot Linux systems on a day-to-day basis.
• Integrate Linux Systems (RHEL 8/9) into a primary Windows environment (workstations & servers) where authentication, authorization, and accounting

activities are controlled by Active Directory with CA PAM.

• Provide administrative access based on group security, applied with least privilege and other permission access management techniques.
• Ensure patches are maintained across a diverse Linux environment (e.g., RHEL 8/9, CentOS, Oracle Linux, etc.) in a heavily automated manner, where possible.
• Configure new Linux systems for customer use and ensure that initial configurations meet required enterprise baselines & controls (e.g., proper agents installed, proper

configs, etc.).* Ensure that already-provisioned Linux systems are kept in compliance with baseline requirements & ever-changing enterprise policy (e.g., equivalent to Group Policy in the Windows realm for ongoing compliance updates).

• Develop an operating system lifecycle plan with integration of DoD STIGs and other recommended security standards.
• Integrate Linux systems with other enterprise tooling (e.g., ACAS, Splunk, SevOne, Backup systems, etc.).
• Monitor all solutions integrated via a centralized alerting system (SevOne).
• Certify log management and forwarding to a single repository (Splunk).
• Other duties as assigned and required.

Minimum Qualifications

• Bachelor's Degree in Information Technology, Computer Science or a related field or equivalent relevant experience; Master's Degree preferred.
• 8+ years of work experience with Linux.

Other Job Specific Skills

• Experience with RHEL Linux RHEL 8/9, Oracle Linux, and Satellite 6.8 or higher.
• Knowledge of Red Hat version 8 or 9(RHEL 8/RHEL 9) with the ability to engineer, install, administer, and maintain.
• Familiarity with large scale operational environment (monitoring of servers (CPU's, memory, disk utilization, and application integration), patching, and maintenance).
• Requires large scale troubleshooting experience (cross platform).
• Ability to respond at all hours to operational requirements.
• Ability to work outside normal hours during routine maintenance windows or unexpected system outages.
• Knowledge of Linux scripting Languages such as: Python, Perl or Shell.

Desired Skills

• Experience maintaining Security services on Linux Servers to include Host Based Firewalls, SELinux, and FAPolicyD.
• Linux Experience hosting Oracle Databases.
• Experience with Apache web server configuration and management.
• Experience with JBoss application server configuration and management.
• Management, deployment and troubleshooting of Java and Tomcat applications in a Linux environment.
• Experience analyzing and evaluating the security of new and existing IT systems and the procedures to protect information system assets from intentional or inadvertent

modification, disclosure, or destruction.

• Experience analyzing and evaluating the design and operating effectiveness of Information technology and security controls that are in place.
• Knowledge and understanding of operating systems, networks and services.
• Experience evaluating security solutions to ensure they meet security requirements for processing classified information.
• Manage changes to systems and assess the security impact of those changes.
• Comprehensive knowledge and understanding of best practices, trends related to information security.
• Red Hat Certified System Administrator (RHCSA).
• Red Hat Certified Engineer (RHCE) Required Education/Year.
• Experience in Installing and configuring WebLogic application servers on Linux.

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