3rd Line Infrastructure Engineer

Across Seoul, the company runs 14 branch offices and a central depot for hardware staging and imaging. Enterprise clients outsource service desk, end-user support and data centre operations to us under multi-year contracts.

ROLE OVERVIEW

We have an immediate opening for a 3rd Line Infrastructure Engineer in Seoul. Our operations team supports about 120 servers across two data centres and Azure. Expect a mix of projects and tickets. We work hybrid out of Seoul, usually three days in, two days remote.

RESPONSIBILITIES

• Work with security on vulnerability remediation and hardening.
• Support file servers, print servers and storage arrays (NetApp, Pure Storage, Dell PowerStore)
• Renew and install SSL/TLS certificates before they expire.
• Own Microsoft 365 and Entra ID administration, including Exchange Online and conditional access.
• Monitor backups in Veeam, Commvault or Rubrik and test restores quarterly.
• Automate routine tasks with PowerShell and Bash.

WHAT YOU NEED

• 7+ years of systems administration experience.
• Understanding of VLANs, DNS, DHCP and firewall basics.
• Strong Windows Server and Active Directory skills.
• Working knowledge of Linux administration.
• Familiarity with backup and disaster recovery tools and practices.
• PowerShell scripting.

NICE TO HAVE

• Exposure to Azure or AWS infrastructure.
• Azure Administrator Associate, RHCSA or VCP-DCV certification.
• Experience in a regulated or audited environment.
• Ansible or Terraform.

Salary range: ₩55,000,000 - ₩68,000,000 a year

PAY AND BENEFITS

• Health check-up.
• Paid leave.
• Meal allowance.
• Flexible hours.
• Housing loan support.
• Annual incentive.
• Four major insurances.

Relocation support is available for the right candidate.

Start: Immediately.

Demo job created on 11jobs for testing and demonstrations. It is not an actual opening at Oakhurst IT.