Senior Data Engineer – Data Mapping & Integration

About the Team and Role

We are looking for a hands-on Senior Data Engineer with strong data mapping and integration expertise to join our international data engineering function. This role combines deep technical delivery with upstream data analysis and mapping, helping ensure that complex source data is accurately modelled, integrated, and made available to downstream consumers in a consistent and governed way.

You will work at the intersection of data mapping, data engineering, and data management , collaborating closely with business stakeholders, data analysts, product teams, and other engineers across multiple timezones . The role plays a key part in delivering high ‑ quality , well ‑ governed data solutions that underpin digital channels, analytics, and operational reporting.

Key Responsibilities

Data Mapping & Analysis

Own and deliver source ‑ to ‑ target data mappings for inbound and outbound data flows aligned to the enterprise common data model

Work with business and technical stakeholders to gather, evaluate, validate , and document data requirements

Plan and facilitate mapping workshops , including preparation, gap analysis, follow ‑ ups , and incorporation of change requests

Perform impact analysis on data model and mapping changes and maintain mapping documentation and metadata

Validate mapping outcomes using SQL queries and provide data quality feedback and metrics

Act as a bridge between data engineering, data governance, and business teams

Data Engineering & Integration

Design, develop, and maintain ETL / ELT processes supporting both project delivery and business ‑ as ‑ usual workloads

Develop and enhance data pipelines using SQL, SSIS, and/or modern cloud-based tooling

Monitor and support production data processes, including batch runs, releases, and issue resolution

Troubleshoot complex data and performance issues within relational database environments

Contribute to improvements in code quality, performance, tooling, and ways of working

Support and evolve data integration patterns as the platform moves towards cloud ‑ native solutions

Collaboration & Governance

Work within Agile delivery teams , contributing to planning, estimation, and delivery

Maintain strong stakeholder relationships and communicate clearly on progress, risks, and dependencies

Ensure solutions adhere to data governance, security, and quality standards

Contribute to the continual improvement of data management and data engineering practices

Essential Skills and Experience

Minimum 5 years experience in data engineering and data integration roles

Proven experience delivering data mapping / source ‑ to ‑ target mappings against a common data model

Advanced SQL skills, including complex queries, views, stored procedures, and performance tuning

Experience building and supporting ETL processes

Solid understanding of relational data models , OLTP and OLAP environments

Experience working in Agile teams and collaborating with cross ‑ functional stakeholders

Excellent analytical, problem ‑ solving , and communication skills

Ability to work independently, manage multiple priorities, and see work through end ‑ to ‑ end

Desirable / Nice to Have

Experience with cloud platforms (AWS and/or Azure)

Python, Databricks, or modern data engineering frameworks

Experience with metadata or data management tools (e.g. Collibra or similar)

Knowledge of source control (Git) and CI/CD pipelines

Experience across SQL Server, Oracle, and/or Postgres

Exposure to AI ‑ assisted development or data tooling

Experience in regulated or data ‑ intensive industries (e.g. healthcare, insurance, financial services)

The Person We’re Looking For

A proactive, detail ‑ oriented engineer who enjoys working from requirements through to production

Comfortable operating between business language and technical implementation

Confident facilitating workshops and influencing stakeholders

Passionate about data quality, structure, and doing things the “right way”

Curious, adaptable, and keen to grow with evolving data platforms

About The Cigna Group

Cigna Healthcare, a division of The Cigna Group, is an advocate for better health through every stage of life. We guide our customers through the health care system, empowering them with the information and insight they need to make the best choices for improving their health and vitality. Join us in driving growth and improving lives.