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Linux Administrator

Dunhill Professional Search

Posted today

Job Requirements

Remote
Secret Polygraph Unspecified
Career Level not specified
$130,000 - $155,000

Job Description

Salary:

$130,000 - $155,000

Position Overview

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.

• Candidates must have a secret security clearance and meet DoD 8140 compliant security certification such as Security+

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.

• U.S. citizenship required.

• Ability to work remotely.

• No travel required.

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Job Category
IT - Hardware
Clearance Level
Secret