Ref: RQ11599 Contract – 12 Months (Extension Possible) Onsite – Toronto (777 Bay Street) Posted Date: 2026-10-26
Location: Onsite – Toronto (777 Bay Street)
Public Sector Experience: Required – OPS / Public Service
Contract End Date: 2027-10-05 *
Rate: $104/hour
Overview The Ministry of Public and Business Service Delivery and Procurement (Community Services Cluster) is seeking a Senior Technology Architect to support a large, distributed cross-platform environment. The successful candidate will be responsible for designing, implementing, and managing technical architecture across hardware, software, database, and communications systems. This is a hands‑on senior role requiring deep expertise in Oracle database administration, IBM middleware, and enterprise solution architecture.
Key Responsibilities
Provide middleware development and operations support for the ECIS solution running IBM IHS, WebSphere, and TRIRIGA
Provide Oracle database and infrastructure support for the Report and Validation (RV) data warehouse system
Provide Oracle database and Oracle Data Integrator (ODI) support to various data warehouse systems
Lead the planning of DDSB Server OS upgrades for Windows, Solaris, and Linux servers
Lead the planning and execution of Oracle upgrade and migration projects
Perform capacity planning, database monitoring, and performance tuning across all Oracle SQL Server databases
Provide solution design and architecture for system and data integration initiatives
Provide support and solution design for Hadoop implementation
Provide daily DBA support for all databases running in Oracle 19c across development, test, pre-production, and production environments
Perform database backup and recovery, export and import, database maintenance, and performance tuning
Support RV SRSS implementation utilizing SQL Server 2016 and Reporting Services
Update and maintain technical documentation including Operation Manuals and Technical Architecture documents
Must-Have Requirements
10+ years of experience with Oracle Database (11gR2, 12cR2, 19c), including Oracle Real Application Cluster (RAC)
10+ years of UNIX (Solaris and Linux) and Windows Server experience
10+ years of experience supporting SQL Server (SQL Server 2016)
Extensive experience with solution design and architecture for IBM TRIRIGA, IBM WebSphere, and IBM IHS
Extensive experience with solution design and architecture for Single Sign-On solutions utilizing OPS Go-Secure technology
Extensive experience with Oracle Data Integrator (ODI) and Oracle OBIEE solution design and architecture
Demonstrated experience with enterprise web-enabled anti-virus file scanning solution design
Demonstrated experience with large-scale (20TB+) Business Intelligence application architecture
Demonstrated experience with Hadoop software installation, configuration, and infrastructure design
In-depth knowledge of Oracle database flashback technology, database clustering, and Data Guard technologies
In-depth knowledge of database, OS, and storage performance monitoring and tuningExperience with at least three different platforms, operating systems, environments, database technologies, and communications protocols
Experience with middleware and gateways, and knowledge of performance considerations across environments
Experience with IAM modernization initiatives utilizing technologies such as Microsoft Entra ID or Oracle IAM
Strong analytical, problem-solving, and decision‑making skills with excellent written and verbal communication
Nice-to-Have Skills
Experience developing enterprise architecture deliverables based on Ontario Government Enterprise Architecture processes and practices
Knowledge and understanding of Enterprise Content Management (OpenText ECM applications)
Knowledge and understanding of Information Management principles, concepts, policies, and practices
Previous public sector experience in an organization of equivalent size and complexity to the Ontario Public Service
Work Environment This is a fully onsite role based at 777 Bay Street, Toronto, five days per week. The position is with the Community Services Cluster under the Ministry of Public and Business Service Delivery and Procurement. No security clearance is required. The successful candidate will work within a large, complex IT environment supporting mission‑critical systems across multiple platforms.
Final role details, responsibilities, and terms will be confirmed with shortlisted candidates. Compensation may vary based on experience. Errors and omissions excepted.
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Technology Architect in Toronto employer: Lotus IT Solutions
Join the Ministry of Public and Business Service Delivery in Toronto, where we foster a collaborative and innovative work culture that values your contributions as a Senior Full Stack Developer. Enjoy competitive benefits, opportunities for professional growth, and the chance to make a meaningful impact on community services through cutting-edge technology. With a focus on Agile methodologies, you'll thrive in a dynamic environment that encourages creativity and problem-solving.
