Senior Telco Solution Architect (OSS/BSS)

Singtel Group; Singapore; On-site; SGD 150,000 - 190,000; Full time

Job summary

Singtel Group is seeking an experienced IT architect to define orchestration architecture for service orders across BSS/OSS, design decomposition and lifecycle management flows, and create detailed HLD/LLD diagrams and integration contracts (APIs, event models).

Lead squads in Telco IT projects, align designs with TM Forum Open APIs, engage vendors, and support production operations including incident management and RCA to ensure permanent resolutions.

Qualifications

• 10+ years in ICT industry with proven delivery experience in a sizable contract or organization.
• Degree in Information Technology, Computer Science, Software Engineering, Telecommunications, or equivalent field.
• Practical experience in BSS/OSS areas: Ordering, Billing, SOM, CRM, MEC.
• Experience in 6+ years in project delivery and 6+ years in the Fulfilment domain.
• 2+ years’ experience with programming languages (e.g., Java, Groovy) and DB concepts.

Responsibilities

• Define orchestration architecture for service orders across BSS/OSS.
• Design decomposition, validation, fallout prevention, and lifecycle management flows.
• Create detailed HLD/LLD diagrams and integration contracts (APIs, event models).
• Ensure designs align with TM Forum Open APIs and SID models.
• Work with product owners to refine business requirements into technical designs.
• Perform impact analysis for new features or OSS/BSS migrations.
• Lead squads in the development lifecycle of large projects in Telco domain.
• Engage vendors and ensure quality control over deliverables.
• Support production operations, incident management, RCA, and SOPs.

Skills

ICT industry

Delivery experience

BSS/OSS

Java

Groovy

SQL/DB

Education

Degree in Information Technology

Tools

APIs

UML

Job description

Singtel Group is seeking an experienced IT architect to define orchestration architecture for service orders across BSS/OSS, design decomposition and lifecycle management flows, and create detailed HLD/LLD diagrams and integration contracts (APIs, event models).

Lead squads in Telco IT projects, align designs with TM Forum Open APIs, engage vendors, and support production operations including incident management and RCA to ensure permanent resolutions.