High-Level Operating Systems Specialist

4 days ago


Singapore APAR TECHNOLOGIES PTE. LTD. Full time

We are seeking a highly skilled High-Level Operating Systems Specialist to join our team at APAR TECHNOLOGIES PTE. LTD.

About the Role

As a High-Level Operating Systems Specialist, you will be responsible for building and upgrading Red Hat Linux and Windows operating systems to the latest versions. Your expertise will ensure seamless installation, configuration, and upgrade of servers, as well as proactive issue resolution leading up to the upgrade window.

Main Responsibilities

  • Build and upgrade Red Hat Linux and Windows operating systems to the latest versions.
  • Install and configure servers, ensuring they meet required specifications.
  • Proactively identify and resolve potential issues that may arise during the upgrade process.
  • Collaborate with cross-functional teams to ensure smooth execution of upgrades and changes.
  • Develop and maintain technical documentation to support ongoing operations.
  • Conduct regular reviews and assessments of server inventory to inform upgrade decisions.
  • Provide expert-level support for post-build activities, including hardening and detailed verification.

Requirements

To succeed in this role, you must have extensive experience in Red Hat Enterprise Linux 6.x/7.x/8.x/9.x administration and Windows 2008/2012/2016/2019. You should also possess intensive experience in build/upgrade of RHEL and Windows servers, as well as hands-on experience with patching tools like Bigfix, SCCM, etc.

A strong understanding of Ansible, Chef, and other DevOps tools is essential. Additionally, you should have knowledge of scripting languages like Shell, Bash, PowerShell, and Python. Familiarity with Jira, Bitbucket, and Jenkins pipelines is also necessary.

Desirable Skills

  • Experience with HPE ProLiant and Dell hardware.
  • Familiarity with VMWare and SAN storage solutions.
  • Understanding of large data center facilities operation.
  • Hands-on experience supporting infrastructure and security agents (NetBackup, BMC Patrol, etc.).

What We Offer

We offer a competitive salary range of $120,000 - $180,000 per annum, depending on experience.

Location

Singapore



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