Senior Oracle Siebel Systems Administrator / Operations Support Specialist

Toronto, ON
On-site
Posted Sep 24, 2026
1 position

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Employment type: Contract
Experience level: Senior · 7+ years
Posting language: English
Working hours: 40 hours per week
Seniority: Mid-Senior level
Application method: Direct apply is available

Job summary

The Senior Oracle Siebel Systems Administrator will be responsible for the administration, support, and maintenance of large-scale Siebel CRM environments. This includes managing deployments, performance monitoring, and coordinating with database administrators to ensure system stability and high availability.

Job details

7+ years of experience administering, supporting, and maintaining Oracle Siebel CRM environments in large enterprise organizations. Strong Siebel Server administration experience, including installation, configuration, patching, upgrades, migrations, deployments, and environment maintenance. Hands-on experience managing multi-tier Siebel environments across Development, Test, UAT, and Production, including high-availability architectures. Expertise with Siebel Gateway, Siebel Enterprise Server, Siebel Web Server Extension (SWSE), and troubleshooting Siebel application/infrastructure issues. Strong troubleshooting experience involving Siebel performance issues, server bottlenecks, component failures, synchronization issues, application outages, log analysis, and capacity planning. Experience with Siebel Tools, repository management, configuration management, code promotions, repository merges, and release/deployment activities across environments. Strong knowledge of Oracle databases, including performance monitoring, SQL troubleshooting, and coordination with Database Administrators. Experience supporting Siebel integrations using EAI, Integration Objects, XML, REST/SOAP Web Services, middleware, and data migration utilities. Hands-on knowledge of Business Components, Business Objects, Applets, Views, Workflows, Assignment Manager, Runtime Events, eScript, Browser Script, and Business Services; familiarity with Open UI. Knowledge of ITIL service management, incident/problem/change management, operational procedures, scripting (Python/PowerShell/Batch), AODA, and preferably OPS/Public Sector environments.

What you’ll do

Requirements

Candidates must have over 7 years of experience in Siebel CRM administration, including deep expertise in server configuration, patching, and troubleshooting. Proficiency in Oracle databases, integration technologies, and ITIL service management practices is required.