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Senior Atlassian System Admin

Singapore💼 Full-time🗓 2026-06-10 → 2026-07-31

Core

Architect and guardian of the Atlassian Data Center environment, ensuring peak performance, security, and scalability for internal teams.

Role type

Senior Jira Systems Administrator

Builds

Streamlined workflows and automated business logic within the Jira ecosystem

Domain

IT Operations / Atlassian Platform Administration

Deliverable

infrastructure

Required skills

Jira Data Center/Server administration, Groovy scripting, ScriptRunner, Linux/Windows server management, SQL database administration, SSL/Certificate management, log analysis, change management

Preferred skills

Atlassian Certified Professional (ACP), Identity Management (SSO/SAML), Confluence/Bitbucket administration, Agile methodologies

Technologies

Jira Data Center, ScriptRunner, Groovy, Linux, Windows, PostgreSQL, SQL Server, Okta, Azure AD

Responsibilities

Lead end-to-end patching and version upgrades for Jira instances; Manage global instance settings including workflows and permission schemes; Develop and maintain complex automation scripts using Groovy; Conduct health checks, JVM tuning, and troubleshoot system-level issues; Provide Tier 3 support and translate business requirements into efficient Jira projects

Seniority

Senior, hands-on IC

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