57 jobs found for Maintenance in Ontario

We are seeking a Senior Program Manager to oversee the delivery of high-consequence IT and telecommunications projects within a 24x7 critical safety environment. This role is responsible for managing multiple concurrent work packages, specifically focusing on the modernization and replacement of voice communication systems, radio infrastructure, and paging solutions. You will navigate complex procurement processes, manage huge budgets, and coordinate with

Do you have 10+ years of experience as a designer and developer in the large-scale multi-client web applications? Do you have 10+ years of hands-on working experience of Java development with Oracle or SQL database? If so, this would be a great opportunity for you!Our client is looking for a Senior Software Developer Back End for a 12 month contract in Toronto.This is a hybrid role.Advantages• Earn a competitive rate within the industry.• Location: From Oc

Do you have 10+ years of experience as a designer and developer in the large-scale multi-client web applications? Do you have 10+ year of hands-on working experience of Java development with Oracle or SQL database? If so, this would be a great opportunity for you!Our client is looking for a Senior Software Developer Back End for a 12 month contract in Toronto.This is a hybrid role.Advantages• Earn a competitive rate within the industry.• Location: From Oct

We are seeking a highly specialized Senior Technology Architect to lead critical deliverables related to digital health standards, terminology services, and FHIR implementation. This role demands 10+ years of experience in digital health standards, inclusive of terminology maintenance, mapping, and HL7 FHIR implementation. The successful candidate will combine deep technical knowledge with outstanding skills in creating captivating educational content (e-l

We are seeking a Senior Applications Architect and IBM Maximo specialist to lead the strategic evolution of Toronto Water’s Enterprise Asset Management system. This role involves collaborating with business users to review existing practices and identify opportunities to leverage IBM MAS SaaS functionality to improve ROI. You will be responsible for delivering a comprehensive roadmap to enhance the product beyond its current Minimum Viable Solution (MVS),

Do you have experience in structured methodologies for the development, design, implementation and maintenance of applications and web sites? Do you have experience in programming and analysis at the specified experience level? If so, this would be a great opportunity for you!Our client is looking for a Senior Solutions Designer for a 6 month contract in Toronto.This is an onsite role.Advantages• Earn a competitive rate within the industry.• Location: work

Do you have understanding of Siebel Application Architecture, hands on Siebel Administration, Siebel development environment setup, Web Services and workflows design, hands on Siebel Remote Client? Do you have senior experience from various areas of Service Management, such as Release and Deployment Management, Change Management, Configuration Management, Availability Management, Capacity Management, Problem and Incident Management, Service Level Managemen

Do you have 10+ years of experience with Siebel technical configuration/ design / development / integration? Do you have 5+ years of experience of Siebel integration with Adobe AEM, J2EE and etc? If so, this would be a great opportunity for you!Our client is looking for a Senior Software Developer CRM for a 6 month contract in Toronto.This is a hybrid role.Advantages• Earn a competitive rate within the industry.• Location: From October 20, 2025, the candi

Do you have experience with GIS (Esri) based projects and applications e.g, ArcMap, ArcPro SDK, File Geodatabases, ArcObjects, ArcGIS Portal and/or ArcGIS Online? Do you have experience with IT Infrastructure modernization and maintenance focused projects? If so, this would be a great opportunity for you!Our client is looking for a Senior Systems Testing/QA Specialist for a 3 month contract in Toronto.This is an onsite role.Advantages• Earn a competitive r

Do you have 10+ years of experience with Siebel technical configuration/ design / development / integration? Do you have 5+ year of experience of Siebel integration with Adobe AEM , J2EE and etc? If so, this would be a great opportunity for you!Our client is looking for a Senior Software Developer for a 6 month contract in Toronto.This is a hybrid role.Advantages• Earn a competitive rate within the industry.• Location:From October 20, 2025, the candidate

We are seeking a Senior IAM Consultant with deep expertise in sustaining large-scale, mission-critical identity systems. In this role, you will be responsible for the administration, monitoring, and operational support of Oracle Identity and Access Management environments. You will play a pivotal part in maintaining the health of PKI and OIM service components, resolving high-level incidents, and facilitating complex application integrations for clients.Ra

Do you have experience in React, REST APIs, JavaScript and TypeScript, Node.js,NextJS? Do you have knowledge in Web Content Accessibility Guidelines (WCAG) for web application development? If so, this would be a great opportunity for you!Our client is looking for a Senior Software Developer Front End for a 5 month contract in North York.This is an onsite role.Advantages• Earn a competitive rate within the industry.• Location: Candidate is required to come

Do you have 10+ years of experience with Siebel technical configuration/ design / development / integration? Do you have 5+ years of experience of Siebel integration with Adobe AEM , J2EE and etc? If so, this would be a great opportunity for you!Our client is looking for a Senior Software Developer for a 6 month contract in Toronto.This is a hybrid role.Advantages• Earn a competitive rate within the industry.• Location:From October 20, 2025, the candidate

We are seeking an Intermediate Business Architect to support a critical update initiative, focused on revising the existing Business Architecture Document (BAD) to align with the new SCA 2025 Act (currently based on ESA 2007). This role requires 3+ years of experience as a Business Architect, with demonstrated expertise in the creation and delivery of key Business Architecture deliverables and coordinating with corporate architecture review teams. The cons

We are seeking a highly collaborative Marketing Specialist to elevate the digital advice capabilities for specialized financial advisors, enabling them to connect effectively with clients, centers of influence (COIs), and communities.This role requires a strategic storyteller to help shape and execute digital strategies, focusing on connecting advisors to their professional networks. You will manage content strategies for acquisition, nurturing, and though

Do you have 10+ years of experience with Siebel technical configuration/ design / development / integration? Do you have 5+ year of experience of Siebel integration with Adobe AEM , J2EE and etc? If so, this would be a great opportunity for you!Our client is looking for a Senior Software Developer for a 6 month contract in Toronto.This is an onsite role.Advantages• Earn a competitive rate within the industry.• Location: This position is listed as "Onsite";

Do you have 10+ years of experience with Siebel technical configuration/ design / development / integration? Do you have 5+ year of experience of Siebel integration with Adobe AEM , J2EE and etc? If so, this would be a great opportunity for you!Our client is looking for a Senior Software Developer for a 6 month contract in Toronto.This is a hybrid role.Advantages• Earn a competitive rate within the industry.• Location: From October 20, 2025, the candidate

Do you have 1+ year of experience in Angular JS v2, Javascript, Typescript? Do you have 1+ year of experience in HTML 5.0, CSS, Node such as NPM? If so, this would be a great opportunity for you!Our client is looking for an Intermediate Software Developer Front End for a 12 month contract in Toronto.This is a hybrid role.Advantages• Earn a competitive rate within the industry.• Location: From October 20, 2025, the candidate is required to work onsite 4 da

Do you have 10+ years of experience with Siebel technical configuration/ design / development / integration? Do you have 5+ year of experience of Siebel integration with Adobe AEM, J2EE and etc? If so, this would be a great opportunity for you!Our client is looking for a Senior Software Developer CRM for a 6 month contract in Toronto.This is a hybrid role. Advantages• Earn a competitive rate within the industry.• Location: From October 20, 2025, the candi

Do you have experience in structured methodologies for the development, design, implementation and maintenance of applications and web sites? Do you have experience in programming and analysis at the specified experience level? If so, this would be a great opportunity for you!Our client is looking for a Senior Solutions Designer for a 6 month contract in Toronto.This is an onsite role.Advantages• Earn a competitive rate within the industry.• Location: work

We are seeking a Senior Identity Access Management Consultant to provide expert-level sustainment, administration, and technical support for large-scale, mission-critical identity systems. This role is focused on the Oracle Identity and Access Management Suite Plus, specifically within complex environments serving over 10,000 users. You will be responsible for the health, performance, and security of service components, ensuring seamless integration for c

Do you have 10+ years of experience with Siebel technical configuration/ design / development / integration? Do you have experience with Assignment Manager, Business Rules, Workflow, Applets, Views, Screens, Code/Scripts and related Siebel Business Layer objects? If so, this would be a great opportunity for you!Our client is looking for a Senior Software Developer for a 4 month contract in Toronto.This is a hybrid role.Advantages• Earn a competitive rate w

Do you have 5+ years of experience with Siebel technical configuration / development / integration? Do you have 3+ year of development and testing experience of Siebel integration with Adobe AEM , J2EE and etc? If so, this would be a great opportunity for you!Our client is looking for an Intermediate Software Developer CRM for a 6 month contract in Toronto.This is a hybrid role.Advantages• Earn a competitive rate within the industry.• Location: From Octobe

We are presently recruiting for an Applications Developer. Our client is an exciting company experiencing rapid growth and presenting a great opportunity for a Full Stack Applications Developer with well-rounded expertise in a greenfield environment. As we continue to expand, we are seeking a talented individual to join our team and help shape our datainfrastructure to support our business goals.Role Overview:We are seeking a talented Applications Develo

Do you have working experience of developing Web-based Java EE and Cloud-Native applications using Angular, React / Redux, Node.js, GraphQL, JSON, Spring Boot, Spring MVC, JavaScript, Web Services? Do you have experience with Oracle 19C and in developing complex Oracle PL/SQL scripts to retrieve and format data to meet business requirements and design? If so, this would be a great opportunity for you!Our client is looking for an Intermediate Software Devel

We are seeking a Technology Architect with senior-level expertise in IBM RACF to join a high-consequence mainframe environment. This role is dedicated to the expert-level administration, architectural design, and operational support of mainframe security systems. You will be responsible for resolving complex security violations, managing SSL/TLS certificate renewals, and ensuring the integrity of a 24x7 mission-critical environment. The ideal candidate bri

We are looking for a highly skilled Senior Full Stack Software Developer with over 10 years of experience to support the AFFES Portfolio Maintenance and critical initiatives, including those related to the Protect Ontario by Unleashing Our Economy Act 2025. This role requires a technical expert capable of translating complex systems specifications into tested, high-performance applications. You will be responsible for the entire lifecycle of development—fr

Do you have demonstrated management experience in Project Management methodologies, producing documentation, collaterals, and artefacts? Do you have demonstrated experience with planning and implementing voice communication services and replacing voice communication systems in Public Safety environment? If so, this would be a great opportunity for you!Our client is looking for a Senior Project Manager/Leader for a 12 month contract in North York.This is a

We are seeking an Infrastructure Integration Specialist to provide expert-level technical guidance and operational support for complex network and security environments. This role is pivotal in ensuring the stability, security, and performance of critical infrastructure systems. You will lead troubleshooting efforts for high-consequence business systems, manage new deployments and ensure strict adherence to ISO 27001 standards and ITIL service management p

We are seeking a Senior Project Manager/Leader to spearhead the delivery of critical infrastructure and telecommunications projects within a 24x7 public safety environment. This role is responsible for managing the full lifecycle of complex IT projects, ranging from market scanning and procurement to the implementation of mission-critical voice and radio systems. You will lead multi-disciplinary teams, manage multi-year vendor contracts, and ensure that te