Linux System Administrator

The DevOps Engineer / Linux Administrator supports and enhances enterprise Linux environments through automation, infrastructure management, CI/CD pipeline development, and system administration. This role is responsible for maintaining secure, reliable, and scalable Linux-based platforms while partnering with development, security, and operations teams to improve deployment efficiency, system performance, and operational stability.

Key Responsibilities

• Administer, maintain, troubleshoot, and optimize enterprise Linux environments.
• Perform Linux system logging, auditing, patching, and performance tuning across production and non-production systems.
• Develop and maintain automation solutions – including providing scripting – for Linux administration and other applications related processes utilizing Jenkins, and Asible Core.
• Troubleshoot and manually find and resolve Linux issues.
• Building and setting up new development tools and infrastructure utilizing knowledge in continuous integration, operational delivery, deployment management (CI/CD), cloud technologies, container orchestration and security.
• Modify existing software and scripts to correct errors, adapt to new infrastructure requirements, and improve performance.
• Analyze user needs and technical requirements to determine the feasibility of design and implementation within time and cost constraints.
• Collaborate with developers, engineers, security teams, and other stakeholders to design systems and define interfaces, capabilities, and performance requirements.
• Build and test end-to-end CI/CD pipelines to ensure the systems are safe against security threads.
• Ability to provide accurate and realistic work effort estimates, commit and deliver results accordingly.
• Create and maintain technical documentation, operational procedures, and knowledge transfer materials.

Skills Required

• 3+ years of experience implementing, administering, and troubleshooting Linux in an enterprise environment including Linux patching with DNF and YUM.
• Strong experience building and supporting CI/CD pipelines using tools. Must have strong working knowledge of Jenkins (groovy), Ansible Core (yaml), GitLab CI/CD, FlexDeploy, or similar technologies.
• Strong experience with Ansible and Jenkins.
• Strong knowledge of DNS/Networking and networking debugging with packet capture.
• Strong scripting knowledge in python, bash, zsh, ksh, csh
• Strong configuration management knowledge and experience.
• Experience working with REST APIs
• Experience working in secure environments.
• Experience in an OCI environment on virtual images.
• Strong verbal, written, organizational, and process documentation skills.

Preferred Qualifications

• Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related field, or equivalent relevant experience.
• Strong hands-on experience with Linux administration, including patching with DNF and YUM, logging, auditing, performance tuning, and issue resolution.
• Experience with scripting and automation using several of the following: Python, Bash, Zsh, Ksh, or Csh.
• Experience working with REST APIs and integrating automation with external systems.
• Strong knowledge of DNS, networking fundamentals, and network troubleshooting, including packet capture analysis.
• Experience working in secure environments with a strong understanding of operational discipline and system hardening.
• Experience with configuration management and infrastructure automation.
• Experience supporting Linux systems in OCI environments using virtual images.
• Ability to provide accurate effort estimates, manage assigned priorities, and deliver work as committed.
• Strong verbal, written, organizational, and technical documentation skills.
• Experience supporting Linux platforms in highly regulated or government-secured environments.
• Familiarity with container orchestration, cloud-native deployment practices, and secure CI/CD implementations.
• Experience building hardened Linux images and supporting secure software delivery pipelines.
• Experience partnering across development, operations, and cyber security teams to improve deployment efficiency and platform reliability.
• Proven ability to identify process improvement opportunities and implement automation that reduces manual administration.
• Secret clearance required.