Technical Business Analyst (Telecom Domain - OSS / BSS)

HCL SINGAPORE PTE. LTD.; Singapore; On-site; SGD 80,000 - 120,000; Full time

Job summary

A leading technology firm in Singapore is seeking an experienced Technical Business Analyst specializing in the Telecom Domain (OSS/BSS) to support major technology transformation initiatives. The role emphasizes hands-on design and collaboration with various teams to craft robust solutions for large-scale systems. Candidates should possess a degree in Computer Science or related fields, with 8-12 years of experience in solution architecture, particularly within telco environments. This contract position lasts for 12 months.

Qualifications

• 8–12+ years in solution architecture/design, preferably in telco or high-volume digital platforms.
• Solid experience in BSS/OSS and CRM/billing stacks.
• Strong understanding of cloud-native architecture and APIs.

Responsibilities

• Lead solution design across various technical domains.
• Produce detailed solution blueprints and documentation.
• Ensure designs meet security and enterprise standards.

Skills

Solution architecture/design

Telecom operations support systems

API and integration middleware

Data modelling

Stakeholder management

Education

Bachelor’s degree in Computer Science, Information Technology, or a related field

Job description

About the Role

We are hiring an experienced Technical Business Analyst (Telecom Domain - OSS / BSS) to support major technology transformation initiatives across digital, BSS/OSS, integration, data, and customer platforms. The role will work closely with architecture, delivery, cybersecurity, and business teams to design robustend-to-end solutions that enable large-scale system uplift, migration, and newcapability rollout.

This is a highly hands‑on, design‑focused contract role requiring strong technical depth and the ability to operate in fast‑moving, multi‑vendor environments.

Key Responsibilities

• Lead solution design across CRM, billing, provisioning, digital channels, data flows, and integrations.
• Produce solution blueprints, interface specifications, migration models, and end‑to‑end architecture documents.
• Design integration patterns (API, microservices, event‑driven, batch).
• Shape digital experience flows across web/app, identity, notifications, and self‑service.
• Ensure designs meet security, data protection, and enterprise architecture standards.
• Work with product owners, architects, engineering, cybersecurity, and vendors to validate solutions.
• Provide design governance across multiple workstreams and delivery teams.

Required Skills & Experience

• Bachelor’s degree in Computer Science, Information Technology, or a related field.
• 8–12+ years in solution architecture/design; telco or high‑volume digital platforms strongly preferred.
• Solid experience in BSS/OSS, CRM/billing stacks, or telecom operations support systems.
• Strong understanding of cloud‑native architecture, APIs, integration middleware, and data modelling.
• Hands‑on ability to produce detailed diagrams, specifications, and migration designs.
• Excellent communication and stakeholder management skills.

Engagement: Contract (12 months)