Data Modeler - Telecom Domain

Unison Consulting Pte Ltd; Singapore; On-site; SGD 70,000 - 100,000; Full time

Job summary

An innovative consulting firm is seeking a skilled Data Modeler with a strong background in the telecom sector. The candidate will design and implement data models, collaborate with stakeholders, and optimize data processes while engaging in data governance practices. This role requires hands-on experience with data modeling tools and deep knowledge of telecom business processes.

Qualifications

• 4+ years of experience in data modeling.
• Strong understanding of telecom data domains.
• Experience with big data technologies is a plus.

Responsibilities

• Design and maintain conceptual, logical, and physical data models.
• Analyze existing data systems and identify gaps.
• Define and enforce data governance and quality standards.

Skills

Data modeling

Telecom data domains

SQL

Data profiling

Metadata management

Education

Telecom certifications or training

Tools

Erwin

PowerDesigner

ER/Studio

Informatica

Talend

Apache NiFi

Job description

ob Summary:

We are seeking an experienced Data Modeler with a strong telecom industry background to join our data engineering team. The ideal candidate will have deep domain knowledge in telecom business processes (BSS/OSS), data flows, and KPIs, and will be responsible for designing, developing, and maintaining logical and physical data models that support our enterprise data initiatives.

Key Responsibilities:

• Design, implement, and maintain conceptual, logical, and physical data models using industry best practices.
• Collaborate with business stakeholders and subject matter experts in the telecom domain to understand data requirements (e.g., customer data, CDRs, usage, network, billing, CRM).
• Analyze existing data systems and data flows to identify gaps, redundancies, and areas for improvement.
• Create and maintain data dictionaries, metadata repositories, and data lineage documentation.
• Work closely with ETL developers, data architects, and data analysts to ensure models are implemented as designed.
• Ensure data models are optimized for performance, maintainability, and scalability.
• Define and enforce data governance and data quality standards across telecom datasets.
• Support data warehouse and data lake design initiatives (e.g., Snowflake, Redshift, BigQuery).

Required Skills & Experience:

• 4+ years of experience in data modeling
• Experience in telecom industry.
• Strong understanding of telecom data domains: Subscriber, Usage, Billing, Network, Products, Services, CRM, etc.
• Hands-on experience with data modeling tools such as Erwin, PowerDesigner, ER/Studio, or similar.
• Proficiency in SQL, data profiling, and metadata management.
• Experience with data warehousing concepts, dimensional modeling (Kimball/Inmon), and star/snowflake schemas.
• Familiarity with ETL processes and data integration tools (e.g., Informatica, Talend, Apache NiFi).
• Experience working in cloud data platforms (AWS, GCP, Azure) is a plus.
• Knowledge of BSS/OSS systems like Amdocs, Netcracker, Ericsson, etc., is highly desirable.

Preferred Qualifications:

• Telecom certifications or training (e.g., TM Forum, eTOM, SID models).
• Experience with big data technologies (e.g., Spark, Hive, Kafka).
• Knowledge of data governance frameworks and tools (e.g., Collibra, Alation).
• Strong communication and stakeholder engagement skills.