Infrastructure Engineer III - Linux Fleet Management
Job Profile Summary
Design, engineer, and continuously improve scalable Linux fleet management, automation, configuration management, patching, and lifecycle capabilities. Serve as a technical leader and escalation point for complex infrastructure issues while driving automation, reliability, standardization, and operational maturity across the managed fleet.
Career Level Summary
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Requires in-depth conceptual and practical knowledge of infrastructure engineering and related disciplines.
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Solves complex and cross-platform technical problems with minimal guidance.
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Leads technical projects or significant workstreams and is accountable for technical outcomes.
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Designs and implements scalable infrastructure automation, configuration management, and fleet-management solutions.
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Defines and improves engineering standards and operational practices.
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Serves as a senior technical resource and escalation point for less-experienced engineers.
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Mentors Engineers I and II and contributes to long-term fleet strategy and modernization.
Critical Competencies
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Excellence: Demonstrates accountability, discipline, and consistent execution while maintaining reliable and supportable infrastructure.
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Customer-driven: Understands the needs of technology teams and delivers infrastructure services that support reliable business operations.
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Expertise: Builds and applies technical knowledge in Linux systems, fleet management, automation, and configuration management.
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Agility: Adapts to changing infrastructure requirements, technologies, and operational priorities.
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Compassion: Collaborates effectively, shares knowledge, and contributes to a positive and supportive engineering environment.
Key Responsibilities
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Design scalable Linux fleet management, automated patching, and configuration-management solutions.
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Define and improve automated patching architectures, workflows, and operational controls.
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Design Puppet, Ansible, Jenkins, or equivalent automation patterns and reusable engineering frameworks.
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Develop advanced Python, Bash, or comparable automation for complex infrastructure use cases.
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Establish configuration-as-code, source-control, testing, and deployment practices for infrastructure automation.
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Define technical standards for Linux fleet configuration, patching, lifecycle management, and operational readiness.
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Lead complex end-of-life, modernization, and technical-debt remediation initiatives.
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Diagnose complex, systemic, and cross-platform infrastructure failures and drive root-cause remediation.
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Analyze fleet-wide operational metrics to identify systemic reliability and efficiency improvements.
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Lead technical projects from design through implementation and operationalization.
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Evaluate infrastructure automation and configuration-management technologies and recommend adoption approaches.
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Partner with architecture, cloud, application, security, and infrastructure teams on complex technical initiatives.
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Mentor engineers and serve as a senior escalation point for production infrastructure issues.
Knowledge
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Linux system administration and operating system concepts.
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Linux package management, patching, and operating system lifecycle management.
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Infrastructure automation and configuration management principles.
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Desired-state configuration, configuration drift, standardized deployment, and configuration-as-code practices.
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Server infrastructure, virtualization, and cloud computing concepts.
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Infrastructure vulnerability remediation and system hardening concepts.
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Networking fundamentals including TCP/IP, DNS, routing, firewalls, and connectivity troubleshooting.
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Deep knowledge of monitoring, availability, capacity, backup, recovery, and resiliency practices.
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Infrastructure architecture and engineering standards.
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Operational risk, lifecycle strategy, and technical-debt management.
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Advanced source-control, testing, and software engineering practices for infrastructure automation.
Skills
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Advanced Linux Systems Administration
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Operating System Patching
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Infrastructure Automation
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Configuration Management
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Deep knowledge of Ansible
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Bash / Shell Scripting
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Configuration-as-Code
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Git / Source Control
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Infrastructure Architecture
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Cloud Computing
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Virtualization
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Network/Systems Skills
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Vulnerability Remediation
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Infrastructure Monitoring
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Operational Metrics
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Project Management
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Technical Leadership
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Mentoring
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Process Improvement
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Knowledge of Linux Fleet Management, Python, Jenkins, Puppet are added advantage.
Education
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High School Diploma or regional equivalent required.
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Bachelor's degree in Information Technology, Computer Science, Engineering, or related technical discipline preferred; relevant professional experience may substitute at the manager's discretion.
Certifications
Relevant industry certifications preferred. Examples include Linux, Red Hat, Ansible/Red Hat Automation, cloud, or infrastructure-related certifications. Equivalent technical experience may substitute for certifications.
Experience
3-6 years of relevant experience in Linux systems administration, infrastructure engineering, fleet management, DevOps, Site Reliability Engineering, or a related technical role.