Data Engineer

Cognizant; Greater London; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

A leading technology company in London seeks a Data Engineer with extensive GCP experience. Responsibilities include developing ETL/ELT pipelines and optimizing data storage using GCP services. The ideal candidate should possess strong analytical skills, excellent communication, and experience in cloud migration. Essential certifications include Google Cloud Certified – Professional Data Engineer. This role offers a hybrid work model with three days on-site work.

Qualifications

• Extensive experience in data engineering.
• Strong hands-on experience with GCP.
• Experience in cloud migration and real-time data processing is a plus.

Responsibilities

• Develop and implement robust ETL/ELT pipelines using GCP services.
• Optimize data storage and retrieval for performance and cost efficiency.
• Implement GCP security best practices.

Skills

Python

SQL

Java (optional)

Strong analytical skills

Excellent communication

Stakeholder management

Education

Google Cloud Certified – Professional Data Engineer

Google Cloud Certified – Associate Cloud Engineer

Google Cloud Certified – Professional Cloud Architect (optional)

Tools

GitHub

Jenkins

Terraform

DBT

Apache Beam

Job description

Hybrid – 3 days on site

Key Responsibilities

• Data Pipeline Development
• Design and implement robust ETL/ELT pipelines using GCP services like Dataflow, Dataproc, Cloud Composer, and Data Fusion.
• Automate data ingestion from diverse sources (APIs, databases, flat files) into BigQuery and Cloud Storage

Data Modelling & Warehousing

• Develop and maintain data models and marts in BigQuery.
• Optimize data storage and retrieval for performance and cost efficiency.

Security & Compliance

• Implement GCP security best practices including IAM, VPC Service Controls, and encryption.
• Ensure compliance with GDPR, HIPAA, and other regulatory standards.

Monitoring & Optimization

• Set up monitoring and alerting using Stackdriver.
• Create custom log metrics and dashboards for pipeline health and performance

Collaboration & Support

• Work closely with cross-functional teams to gather requirements and deliver data solutions.
• Provide architectural guidance and support for cloud migration and modernization initiatives

Skillset

Technical Skills

• Languages: Python, SQL, Java (optional)
• GCP Services: BigQuery, Dataflow, Dataproc, Cloud Storage, Cloud SQL, Cloud Functions, Composer (Airflow), App Engine
• Tools: GitHub, Jenkins, Terraform, DBT, Apache Beam
• Databases: Oracle, Postgres, MySQL, Snowflake (basic)
• Orchestration: Airflow, Cloud Composer
• Monitoring: Stackdriver, Logging & Alerting

Certifications

• Google Cloud Certified – Professional Data Engineer
• Google Cloud Certified – Associate Cloud Engineer
• Google Cloud Certified – Professional Cloud Architect (optional)

Soft Skills

• Strong analytical and problem-solving skills
• Excellent communication and stakeholder management
• Ability to work in Agile environments and manage multiple priorities

Experience Requirements

• Extensive experience in data engineering
• Strong hands‑on experience with GCP
• Experience in cloud migration and real‑time data processing is a plus