Summary:
We are seeking a skilled Linux Administrator to join our dynamic infrastructure operations team. The ideal candidate is responsible for the availability, performance, security, and recoverability of enterprise Linux server environments and for clear technical communication during routine operations and high-severity incidents. This role supports the IT function through system provisioning, security patching, monitoring, automation, and participation in Priority 1 and Priority 2 incident response to ensure the reliability of business-critical services.
Responsibilities:
- Install, configure, and administer enterprise Linux Server environments across on-premises and cloud-connected platforms.
- Manage core Linux operating system services, including authentication and authorization services, system logging, time synchronization, package management, and network configuration.
- Perform routine patching, upgrades, and vulnerability remediation in accordance with enterprise security and compliance standards.
- Ensure Linux platform availability through monitoring, performance tuning, and capacity planning.
- Serve as a technical responder for Priority 1 and Priority 2 infrastructure incidents, following the established Critical Incident Management process.
- Participate in incident bridges and Teams war rooms, providing timely technical updates and contributing to root-cause observations.
- Open, update, and manage ServiceNow incidents, ensuring accurate prioritization, documentation, and adherence to service-level agreements.
- Focus on rapid service restoration during outages and contribute to post-incident remediation and continuous improvement activities once stability is restored.
- Review system logs, alerts, and metrics to identify trends, failures, or capacity constraints.
- Develop, maintain, and support automation using shell scripting, Python, scheduled jobs, or orchestration frameworks to reduce manual operational effort.
- Develop, maintain, and support configuration management using Puppet to enforce standardized builds, security baselines, and desired configuration across Linux environments.
- Apply Linux security baselines and configuration standards to maintain system integrity.
- Support audit and compliance activities through accurate operational documentation and evidence collection.
- Collaborate with storage, virtualization, Windows, network, security, and application teams during incidents and planned changes.
- Maintain high-quality technical documentation, operational procedures, and runbooks for supported Linux platforms.
- Mentor and support junior administrators and operational partners to improve overall technical capability and service outcomes.
- Provide effective solutions to moderate technical challenges by evaluating system behavior, risks, and operational impacts.
Requirements:
- Bachelor&rsquos degree or foreign equivalent in Information Technology, Computer Engineering, Electrical Engineering, or a related field.
- 3 years of experience in Linux Server in a large enterprise environment.
- Hands-on experience with on-call support and incident management, including involvement in high-severity outages.
Required Skills:
- Enterprise Linux Server installation, configuration, administration, and lifecycle management.
- Linux user authentication, access controls, and privilege management.
- Shell scripting or automation to streamline system administration and operational workflows.
- Incident management processes and use of ServiceNow or equivalent ITSM tools.
- Enterprise monitoring, alerting, and log analysis tools to support reliability and proactive issue detection.
- Applying security hardening standards and performing vulnerability remediation on Linux platforms.
- Configuration management and automation using Puppet to standardize system configuration, reduce configuration drift, and support scalable Linux operations.
- Cross-team collaboration during outages to restore business-critical services.
- Clear and effective communication during high-pressure operational events and leadership updates.
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