Lead Linux Administrator

Overview

On Site
Full Time

Skills

Lead Linux Administrator

Job Details



Lead Linux Administrator


ship 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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