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

Solid 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 (Ontario)
🏢 Lotus IT Solutions
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