Linux System Administrator

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.

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), Git Lab CI/CD, Flex Deploy, 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.

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…