Solution Integration Architect (Detail Design) - Telecom OSS/BSS

Required Skills:

· HLD → LLD Design Execution

· Integration Design & Delivery

· Telecom Domain Application

· Application Integration Architecture

· System Integration, SI architecture or design

· HLD to LLD conversion and technical design documentation

· Hands-on with: APIs (REST, SOAP), microservices

· Integration patterns (event-driven, batch, synchronous, asynchronous)

· Telecom Experience

· Experience in telecom OSS, BSS environments

· Exposure to at least one area: Wireless usage, billing (CDR, rating), inventory, provisioning systems

HLD LLD Design Execution:

· Convert high-level architecture into detailed LLD artifacts

· Integration flows

· Sequence diagrams

· Interface specifications and data mappings

· Ensure clarity for development and testing teams

Integration Design & Delivery; must design and document:

· API integrations (REST, SOAP)

· System-to-system data flows

· Event-driven or batch integration patterns Support integration across telecom systems such as: CRM, Order Management, Billing, Usage systems, OSS and Inventory platforms

Telecom Domain Application Work across one or more areas:

· Wireless usage

· CDR

· Billing flows

· Inventory

· Provisioning systems

Apply understanding of:

· OSS

· BSS interactions

· End-to-end service lifecycle (order usage billing)

Error Handling & Data Integrity; must design and document:

· Error handling and retry mechanisms

· Data validation and reconciliation approaches Ensure reliability of integration flows

Collaboration & Delivery Support with:

· Solution Architects

· Development and QA teams

· Business and domain stakeholders

· Support design clarifications, issue resolution, and delivery timelines

Design & Documentation; ability to produce:

· LLD documents, integration flows, and interface designs

· Strong communication and documentation skills

Good to Have:

· Experience across both usage and inventory domains

· Exposure to TM Forum (eTOM, SID, Open APIs)

· Experience with Canadian telecom clients (Bell, Rogers, TELUS)