Senior Software Developer – Siebel

Job Description

Senior Software Developer – Siebel

Requisition: RQ11706

Assignment: A2915601

Client: Enterprise Financial Services Division, Ontario Public Service

Ministry: Ministry of Public and Business Service Delivery and Procurement

Location: 222 Jarvis St., Toronto, ON

Work Arrangement: 100% Onsite – 5 days/week

Contract: October 13, 2026 – March 31, 2027

Hours: 7.25 hours/day, Monday–Friday, between 8:00 AM and 5:00 PM, excluding lunch

Openings: 1

Security Clearance: No clearance required

Submission Limit: 1 candidate per supplier

Closing Date: October 13, 2026 at 12:00 PM EST

Position Overview

The 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 Responsibilities

The 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 Checklist

Candidates 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 Qualifications

1. Siebel Development & Integration – Must Have

Candidates 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 Have

Candidates 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 Development

The 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 Development

Experience 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 Experience

Experience 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 Requirements

The 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 & Documentation

The 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 Management

Knowledge 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 – Asset

Prior 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.
  

Requirements
Siebel Development, Siebel Configuration, Siebel Design, Siebel Integration, Siebel EIM/EAI, Siebel IP18, Siebel Open UI, Siebel Tools, Siebel Web Templates, Assignment Manager, Business Rules, Workflow, Applets, Views, Screens, Siebel Business Layer, Open UI PM/PR, Manifest Files, Mapping Files, Adobe AEM, J2EE, UI Integration, Siebel Migration, Siebel Approval Manager, OBIEE, Power BI, HTML5, CSS, jQuery, JavaScript, Oracle, PL/SQL, SQL, XML, Unix Shell Scripting, Oracle Data Integrator, SQL Tuning, Data Warehouse, ETL, Oracle E-Business Suite, Java, Oracle ADF, Technical Design, Application Development, Unit Testing, Debugging, SDLC, Troubleshooting, Technical Leadership, AODA, Information Management