Senior Engineer Unix & Linux System

Singtel; Kuala Lumpur; On-site; MYR 80,000 - 120,000; Full time

Job summary

A prominent telecommunications provider in Kuala Lumpur seeks a Senior Engineer specializing in Unix/Linux Systems. The role involves managing Linux administration, ensuring system performance, and troubleshooting issues in a complex environment. Candidates should have 6-8 years of relevant experience and be proficient in automation tools like Puppet and Ansible. The position also requires strong scripting skills and knowledge of ITIL processes. If you're ready for a challenging role in a fast-paced setting, apply today.

Qualifications

• Minimum of 6-8 years of Linux administration experience in an enterprise environment.
• Strong knowledge in RedHat Clustering.
• Proficient in scripting and automation tools.

Responsibilities

• Manage Level 3 Technical Support for Linux systems.
• Monitor and ensure security and performance of Linux systems.
• Plan and coordinate system changes with change management processes.

Skills

Linux administration

Scripting skills (Shell, Bash, Perl, Ruby)

Automation using Puppet or Ansible

Network communication protocols

ITIL service management

Education

Degree in IT, Computer or Engineering

Tools

Puppet

Ansible

Linux systems (RedHat, Oracle Linux)

Job description

Be A Part of Something BIG!

This Senior Engineer, Unix/ Linux System will work with a team of motivated, articulate and knowledgeable IT professionals. The primary task will be focusing on improving the stability and performance of the system, maintaining and improving the security posture of the systems, continuous monitoring of system health, and troubleshooting issues that arise. He/She must be familiar with Linux operating systems and software, able to provide sound proofs‑of‑concepts, willing to perform cross‑functional duties as necessary to aid the team and have a proven history of creating tools and automating routine IT/Business tasks. He/She must also have experience in automation and configuration tool, such as Puppet, Ansible and Satellite.

Make an Impact by:

Incident Management

• Primarily responsible for Level 3 Technical Support, Systems Management, Administration and Project Support for Linux platform.
• Participate in24/7 on-call rotationin support of our NOC, which includes being available to assist with issues when not on call.
• Assist and respond promptly to incident, investigate & provide temporary &/or permanent resolution of incidents escalated.

Performance and Capacity Management

• Ensuring availability and performance of the Linux system that support the application system.
• Installation, configuration and upgrade of Linux systems management software.
• Proactively monitor the Linux systems to ensure secure services with minimum downtime.
• Perform capacity planning, ensure high resiliency and optimal performance involving the associated hardware resources allocated to the operating system.
• Maintain Linux security, managing access, privileges, role and database account that supports the application.
• Responsible for providing trend analysis to management team to enable them to make informed decisions regarding resource management.

Change Management

• Ensure that change management process is properly followed.
• Plan and co-ordinate system changes. Present to CAB (change approval board) for changes that going into production for approval of change.
• Manage changes through change request process & provide status reports to the relevant parties. (Service Now)

Operations and Support Management

• Install and maintain security patches on the operational and development system, which includes but is not limited to, Red Hat Linux, Suse Linux, Apache Tomcat.
• Perform daily system monitoring, verifying the integrity and availability of all hardware, server resources, systems and key processes, reviewing system and application logs, and verifying completion of scheduled jobs such as backups.
• Monitors systems through multiple monitoring tools to proactively address system issues before they have the potential to cause outages ranging from file system clean-
• up to replacement of various hardware such as power supplies, fans, boards, disks, DIMM's and other hardware components on x86 systems.
• Perform daily backup operations, ensuring all required file systems and system data are successfully backed up to the appropriate media, recovery tapes or disks are created, and media is recycled and sent off site as necessary.
• Perform regular file archival and purge as necessary.
• Create, change, and delete user accounts per request as necessary.
• Automate BAU tasks via shell scripting or tools, such as Ansible.
• Write technical documents to include process, technical engineering and configuration documents as needed.
• All other Linux administration responsibilities as assigned.

Provisioning of servers and services

• Maintain our Linux infrastructure standard operating environment, including configurations and security management.
• Highly proficient in provisioning of Linux VMs or Unix LPARs, LDOMs, OS installation, configuration and fine tuning.
• Project manage operation projects related to Linux/Unix.

Vendor management

• Work together with Infrastructure Manage Service vendor for RCA/PCA and adhere to Service Level Agreements.

Automation

• Manage, Puppet infrastructure and implement change to automate configuration management and automation through Puppet.

Skills for Success:

• Degree in IT, Computer or Engineering
• Possess a minimum of 6-8 years in-depth Linux (Redhat and Oracle Linux) administration experience in an enterprise level environment.
• Strong Knowledge with experience in RedHat Clustering.
• Strong Knowledge with experience in scripting such as Shell, Bash, Perl, Ruby and etc
• Experience in Puppet or Ansibleautomation tool
• Good knowledge of ITIL service management methodology.
• Good knowledge of Network communication protocols (TCP/IP, HTTP, SSL/TLS, RPC, SSH, etc.) including the ability to analyse the network issues.
• Comfortable to work in ashift environment

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