Linux Engineer

Job Description

Job Description: Linux Systems Administrator

Company: CBTS
Job Title: Linux Systems Administrator
Experience: 5+ Years
Employment Type: Not specified
Preferred Candidates: Immediate joiners or candidates with a short notice period

Job Summary

CBTS is seeking an experienced Linux Systems Administrator to manage, maintain, and troubleshoot enterprise Linux infrastructure. The ideal candidate will have strong expertise in Red Hat Linux, CentOS, VMware environments, system performance optimization, security hardening, and incident management. The candidate should also possess good customer-facing communication skills and experience working with enterprise monitoring and IT service management tools.

Key Responsibilities

Install, configure, maintain, and administer Linux operating systems, including Red Hat Enterprise Linux (RHEL) 6/7/8 and CentOS.

Build and configure virtual machines and manage software installations, user accounts, file permissions, and system configurations.

Perform system tuning, performance troubleshooting, and root cause analysis.

Manage Linux system services and implement system hardening practices.

Perform break-fix activities to resolve infrastructure and operating system issues.

Manage operating system releases, patching, and maintenance activities.

Develop and maintain shell scripts to automate routine administration tasks.

Administer Linux storage using Logical Volume Manager (LVM).

Troubleshoot networking, DNS, NFS, SSH, SNMP, TCP/UDP, and related system services.

Support incident response and communicate effectively with customers and internal teams.

Work with VMware virtualization environments to support enterprise infrastructure.

Use enterprise monitoring tools and IT ticketing systems to track and resolve incidents.

Follow ITIL processes and established operational procedures.

Essential Technical Skills

Linux and Unix Administration

Strong experience with Red Hat Enterprise Linux (RHEL 6/7/8) and CentOS.

General Unix/Linux administration, including VM configuration, package management, account maintenance, file permissions, and system tuning.

Shell scripting and LVM.

System services management, troubleshooting, patching, and security hardening.

Solaris and AIX knowledge is an added advantage.

Networking and System Services

Strong understanding of TCP/IP networking and the OSI model.

Experience with LAN/WAN environments.

Knowledge of TCP/UDP, SNMP, DNS, NFS, SSH, sudo, and syslog.

Virtualization and Cloud

Solid hands-on experience with VMware environments.

Exposure to AWS, Microsoft Azure, or Google Cloud is an advantage.

Monitoring and IT Service Management

Experience with enterprise monitoring systems.

Familiarity with ITIL processes and ticketing systems.

Customer-facing incident response experience.

Education and Experience

Minimum 5+ years of experience as a Linux Systems Administrator or equivalent education and training.

Associate or bachelor’s degree, equivalent experience, or relevant professional certifications.

Relevant certifications are advantageous, including:

RHCSA

RHCE

CCENT

VMware VCP

AWS certifications

Azure certifications

Required Soft Skills

Strong troubleshooting and analytical abilities.

Attention to detail and a self-motivated approach.

Effective time management and organizational skills.

Good communication and presentation skills across different organizational levels.

Ability to manage customer-facing incidents professionally.

Application Details

Recruiter: Geetha Jeyabalan, Senior Technical Recruiter
Email: geetha.jeyabalan@cbts.com