Solution Integration (SI) Detail Architect

Solution Integration (SI) Detail Architect
Location: Montreal OR Toronto
Assignment Length - 6 to 12 Months
Work Type: 3-4 days from Office & 1-2 days from Home

Top 3 Required Skills:
1. HLD LLD Design Execution.
2. Integration Design & Delivery.
3. Telecom Domain Application.




Role Descriptions:
1. HLD LLD Design Execution
Convert high-level architecture into detailed LLD artifacts including: oIntegration flowso
Sequence diagramsoInterface specifications and data mappings
Ensure clarity for development and testing teams

2. Integration Design & Delivery
Design and document:
oAPI integrations (REST/SOAP)
oSystem-to-system data flowsoEvent-driven or batch integration patterns
Support integration across telecom systems such as: oCRM / Order Management
oBilling / Usage systems
oOSS / Inventory platforms
3. Telecom Domain Application
Work across one or more areas:
oWireless usage / CDR / billing flows
oInventory / provisioning systems
Apply understanding of:
oOSS/BSS interactions
oEnd-to-end service lifecycle (order usage billing)

4. Error Handling & Data Integrity
Define and document:
oError handling and retry mechanisms
oData validation and reconciliation approaches
Ensure reliability of integration flows

5. Collaboration & Delivery Support
Work with:
oSolution Architects
oDevelopment and QA teams
oBusiness and domain stakeholders
Support design clarifications issue resolution and delivery timelines

Essential Skills:
Strong experience in:
oSystem Integration / SI architecture or design
o HLD to LLD conversion and technical design documentation
Hands-on with:
oAPIs (REST/SOAP) microservicesoIntegration patterns (event-driven batch synchronous/asynchronous)
Telecom Experience
Experience in telecom OSS/BSS environments
Exposure to at least one area: oWireless usage / billing (CDR rating)oInventory / provisioning systems

Design & Documentation
Ability to produce:
oLLD documents integration flows and interface designsStrong communication and documentation skills

Good to HaveExperience across both usage and inventory domainsExposure to TM Forum (eTOM SID Open APIs)
Experience with Canadian telecom clients (Bell Rogers TELUS)

Desirable Skills:
Keyword:
Skills: Application Integration Architecture
Experience Required: 10 & Above