System Administrator (Linux/Unix)

 

• Minimum 5 years of proven experience as a Linux/Unix Systems Administrator in an enterprise environment.

• Excellent written and verbal communication skills, with the ability to explain technical changes clearly to technical and business stakeholders.

• Strong expertise in RedHat Linux, Bash/Shell scripting, and enterprise SFTP infrastructure.

• Solid administrative knowledge of Oracle Virtual Machine (OVM) and VMware environments.

• Experience with HelpSystems GoAnywhere, IBM VIO, or AIX will be an added advantage.

• Experience working in regulated environments, including SOX compliance and strict security protocols.

• Proven ability to collaborate on cross-functional initiatives with Infrastructure, Business Intelligence (BI), and Development teams across international locations.

• Willingness and flexibility to work on a rotational on-call schedule supporting 24/7 global operations.

Job Summary

Reporting to the IT Infrastructure Manager, the Unix/Linux Administrator will be responsible for maintaining the performance, stability, security, and availability of core operating systems and file-transfer platforms. The role supports global business operations, enterprise applications, virtualization environments, and requires participation in a rotational on-call schedule, including evenings and weekends.

Key Responsibilities

Systems Administration

• Provision, configure, monitor, and maintain RedHat Linux enterprise environments, Oracle Virtual Machine (OVM), VMware, and core system hardware.

• Ensure system performance, stability, availability, and operational reliability.

Managed File Transfer (MFT)

• Support and optimize enterprise data transfers through SFTP and HelpSystems GoAnywhere.

• Maintain compliance with established scripting standards and configuration protocols.

Application Support

• Assist with administration, patching, maintenance, and technical support for specialized enterprise applications.

Security & Compliance

• Implement network and physical security policies and manage user access controls.

• Maintain accurate SOX compliance documentation and support audit requirements.

Change & Patch Management

• Test, implement, and monitor system upgrades, software patches, and infrastructure changes.

• Minimize disruption to integrated client systems during planned changes.

Business Continuity

• Maintain, review, and periodically test system Disaster Recovery (DR) plans to ensure operational continuity.

Documentation & Audit

• Keep system documentation, operational procedures, visual guides, and software license inventories updated.

• Ensure technical records are accurate and audit-ready.

Service Delivery

• Provide timely technical support to internal users and resolve system issues, service requests, and enhancement requirements.

Research & Innovation

• Research emerging technologies and compare available solutions.

• Provide data-driven recommendations for technology acquisitions and infrastructure improvements.

Operational Communication

• Support timely communication with users regarding planned and unplanned system changes, maintenance, and service impacts.