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Senior Application Technical Specialist

St. Michael's Hospital - Unity Health Toronto

This is a Contract position in Toronto, ON posted February 25, 2021.

The Senior Application Technical Specialist utilizes expert technical knowledge to research, design, propose, investigate, procure, deploy, update, administer, maintain, support and troubleshoot the AIX, Linux, Microsoft Windows, and Database technologies (ex. MS SQL Server, Oracle, Netezza, etc).  The successful candidate will backup/restore the disaster recovery environments which form the foundational infrastructure on which the availability, reliability and integrity of all Unity Health Toronto clinical, business, educational, administrative and research systems and data depend.  Provides mentorship to teams, preparing recommendations for technical initiatives, and coordinates with external suppliers over issues of support and project deliverables. The Senior Application Technical Specialist will participate in a 24/7 on-call rotation and carry a mobile device.


  • Designing, configuring, updating and deploying systems with high availability
  • Regularly conducts fine tuning of systems (Database systems, AIX, Microsoft, Linux)
  • Ensuring backup and recovery processes are in place, tested and functioning
  • Troubleshooting the most complex technical issues relating to Unity Health Toronto’s sophisticated IT infrastructure systems and equipment including Database (ex. MS SQL Server, Oracle, Netezza, etc)
  • Liaising directly with internal Information Technology team and vendors, participating in departmental meetings/presentations and giving input into resolving technology issues and developing sustainable solutions.
  • Collaborating with other support resources in the development, maintenance, testing and implementation of new system modules, macros, and scripts ensuring they are in full compliance with corporate standards
  • Evaluating service/technology requests to ensure adherence to standards and processes, identifying inconsistencies, analyzing potential impact and taking appropriate action
  • Escalating more complex issues / concerns, along with alternative recommendations for resolution to next level
  • Generating reports/queries using standard tools
  • Enabling and overseeing technology solutions


  • Degree in Computer Science, Mathematics, Engineering, Business or other related field from an accredited post-secondary institution and/or 5+ years of equivalent experience
  • Solid experience in database administration managing Oracle 11g/12c/19c
  • Solid administration understanding of Linux, MS Windows, Unix
  • Oracle RAC – Grid infrastructure/ASM
  • RMAN backup and Restore
  • Oracle Data guard Physical/Logical Configuration & Administration
  • Oracle Enterprise Manager configuration & Management for alerting & reporting
  • UNIX shell scripting
  • Good logical and objective analytical skills and ability to use sound judgment when evaluating potential solutions
  • MS SQL Server installation, Configuration and database management
  • Experience with Oracle database technologies
  • Strong written and oral communication skills
  • Excellent understanding of SQL
  • Experience with an Enterprise Database Management System such as SQL Server and/or Oracle
  • Knowledgeable regarding Data Warehouse theory and application data structures
  • Experience with Netezza database
  • Experience with IBM infosphere