Senior Software Developer – Siebel

Senior Software Developer – SiebelRequisition: RQ11706Assignment: A2915601Client: Enterprise Financial Services Division, Ontario Public ServiceMinistry: Ministry of Public and Business Service Delivery and ProcurementLocation: 222 Jarvis St., Toronto, ONWork Arrangement: 100% Onsite – 5 days/weekContract: October 13, 2026 – March 31, 2027Hours: 7.25 hours/day, Monday–Friday, between 8:00 AM and 5:00 PM, excluding lunchOpenings: 1Security Clearance: No clearance requiredSubmission Limit: 1 candidate per supplierClosing Date: October 13, 2026 at 12:00 PM ESTPosition OverviewThe Ontario Public Service is seeking a Senior Software Developer – Siebel with extensive experience in Siebel configuration, development, integration, EIM/EAI, Open UI, and enterprise reporting.The successful candidate will be responsible for translating technical specifications into robust, tested applications; developing and maintaining Siebel solutions; supporting integrations and migrations; developing reports; troubleshooting technical issues; and collaborating closely with functional and technical teams throughout the Software Development Life Cycle.This is a senior-level, hands-on Siebel development role requiring deep experience with Siebel technical configuration, development and integration, along with strong reporting and front-end development capabilities.Key ResponsibilitiesThe successful candidate will:

• Design, configure, develop, integrate, test, debug, and maintain Siebel applications.
• Develop and maintain Siebel Open UI solutions.
• Build and support Siebel EIM/EAI integrations.
• Integrate Siebel with Adobe AEM, J2EE, and external applications.
• Develop and maintain reports using OBIEE and Power BI.
• Develop and maintain front-end components using HTML5, CSS, jQuery, and JavaScript.
• Support Siebel migration and deployment activities.
• Troubleshoot application, integration, reporting, and production issues.
• Conduct impact assessments and support application customizations.
• Collaborate with business stakeholders, functional teams, technical teams, and SMEs.
• Participate in design walkthroughs and technical reviews.
• Perform unit testing and support quality assurance activities.
• Prepare technical, user, and system documentation.
• Provide post-implementation support.
• Ensure solutions meet technical, functional, accessibility, and quality requirements.
• Work within structured software development methodologies and established OPS standards.

Mandatory Screening ChecklistCandidates submitted must meet the following critical

requirements

☐ 10+ years Siebel technical configuration/design/development/integration☐ 5+ years Siebel integration with Adobe AEM, J2EE and related technologies☐ 5+ years Siebel EIM/EAI☐ 3+ years Siebel IP18 configuration/development☐ Siebel 8.x or above certification☐ OBIEE report development experience☐ Power BI report development experience☐ Siebel Open UI experience☐ HTML5, CSS, jQuery and JavaScript☐ Siebel Tools and Web Templates☐ Siebel Assignment Manager, Business Rules, Workflow, Applets, Views and Screens☐ Siebel migration application experience☐ Siebel Approval Manager experience☐ Experience working with technical and functional teams☐ Strong communication and analytical/problem-solving skills☐ 100% onsite availability at 222 Jarvis St., Toronto☐ Available to work 7.25 hours/day, Monday–Friday☐ No conflicting assignment during the contract period☐ Able to work within the $800/day maximum bill rate

Requirements

Mandatory Qualifications1. Siebel Development & Integration – Must HaveCandidates must demonstrate:

• 10+ years of experience with Siebel technical configuration, design, development, and integration.
• 5+ years of experience integrating Siebel with Adobe AEM, J2EE, and related technologies.
• 5+ years of experience with Siebel EIM/EAI.
• 3+ years of experience with Siebel IP18, specifically configuring and developing solutions.
• Hands-on experience with:
• Assignment Manager
• Business Rules
• Workflow
• Applets
• Views
• Screens
• Code/Scripts
• Siebel Business Layer objects
• Experience using Siebel Tools and editing Siebel Web Templates.
• Experience using Siebel Open UI-specific classes and methods.
• Strong understanding of Siebel Open UI Architecture, including:
• Physical Model
• Presentation Model
• OOTB Open UI file structures
• Open UI limitations
• Experience with UI integration, including:
• Embedding external applications within Siebel
• Exposing Siebel functionality in external applications
• Experience configuring Siebel migration applications.
• Experience administering Siebel Approval Manager.
• Demonstrated possession of Siebel 8.x or above certification.

2. Reporting & Front-End Development – Must HaveCandidates must have:

• Experience developing reports using OBIEE and Power BI.
• Experience with:
• HTML5
• CSS
• jQuery
• JavaScript
• Working knowledge of Siebel Open UI concepts, including:
• PM – Presentation Model
• PR – Physical Renderer
• Manifest Files
• Mapping Files

3. General Software DevelopmentThe successful candidate must have experience with:

• Translating technical system specifications into working, tested applications.
• Developing detailed programming specifications.
• Writing and/or generating application code.
• Compiling data-driven programs.
• Maintaining and conducting unit testing.
• Designing, coding, testing, debugging, and documenting applications.
• Application design, current design patterns, deployment, and troubleshooting.
• Object-oriented and/or third-generation programming language development tools.
• One or more programming languages.
• Relational and hierarchical database technologies.
• Information retrieval packages and query languages.
• One or more communications protocols.
• Structured methodologies for application design, development, implementation, and maintenance.
• Troubleshooting technical problems arising during software implementation, operation, conversion, and migration activities.

4. Oracle / Database DevelopmentExperience with Oracle technologies and enterprise applications is required within the broader technical scope, including:

• Oracle database development.
• PL/SQL and SQL.
• XML.
• Unix shell scripting.
• Oracle Data Integrator (ODI).
• SQL tuning and partitioned tables.
• Data warehouse and ETL methodologies.
• OBIEE.

Experience with Java and Oracle Application Development Framework (ADF) is an asset.5. Oracle E-Business ExperienceExperience with Oracle E-Business applications, including:

• Conducting impact assessments on Oracle E-Business customizations and extensions.
• Account Receivable / Collections conversion activities.
• General Ledger (GL).
• Accounts Receivable (AR).
• Collections.
• Accounts Payable (AP).
• Inventory (INV).
• Oracle E-Business FND.
• Understanding of Oracle E-Business table structures related to GL, AR, Collections, AP, INV, and FND.

General Professional RequirementsThe candidate should demonstrate:

• Strong analytical, problem-solving, and decision-making skills.
• Strong written and verbal communication skills.
• Strong interpersonal and negotiation skills.
• Ability to collaborate effectively with IT professionals throughout the SDLC.
• Experience working with diverse business stakeholders and Subject Matter Experts.
• Ability to elicit, analyze, and document business and technical information.
• Ability to work effectively with both functional and technical teams.
• Ability to work effectively as part of large project teams.
• Ability to develop and present new ideas and conceptualize innovative approaches and solutions.
• Strong systematic problem-solving capabilities.
• Ability to work under pressure and meet aggressive deadlines.
• Adaptability to changing priorities and requirements.
• Proven ability to meet project deadlines while maintaining quality.
• Ability to provide technical leadership and oversee technical quality assurance.

Post-Implementation & DocumentationThe resource may be responsible for:

• Providing post-implementation support.
• Resolving post-implementation technical issues.
• Supporting implementation, conversion, and migration activities.
• Conducting design walkthrough sessions with project teams.
• Preparing user and system documentation.
• Reviewing, analyzing, modifying, testing, and debugging product installation scripts, including encoding-related activities.

Accessibility & Information ManagementKnowledge and understanding of:

• Accessibility for Ontarians with Disabilities Act (AODA) and related regulations and standards.
• Information Management principles, concepts, policies, and practices.
• Internet-ready application development.
• Rapid Application Development (RAD) methodologies.
• Middleware and gateway technologies.

Public Sector / OPS Experience – AssetPrior Ontario Public Service (OPS), government, or broader public-sector experience is strongly preferred.Experience with the following Siebel/Public Sector modules would be an asset:

• Public Sector CRM
• Contracts
• Lead Management
• Partner Management
• Public Sector Partner Portal
• Campaign Management
• Marketing
• Resource Manager
• Public Sector eService
• Grants Management

Preferred / Nice-to-Have

• Prior OPS/Public Sector experience.
• Siebel Public Sector CRM experience.
• Grants Management experience.
• Java and Oracle ADF experience.
• Strong Oracle E-Business functional knowledge.
• Experience with middleware/gateways.
• AODA knowledge and experience.