Senior Data Engineer - DV Cleared | Secure Data Platforms

Marks Sattin; United Kingdom; On-site; GBP 80,000 - 110,000; Full time

Job summary

Marks Sattin is partnering with a leading defence technology firm in the UK to appoint a Senior Data Engineer (DV cleared) to design and deliver secure, scalable data platforms for critical operations in the SW England region. You will craft data pipelines with NiFi, Python and SQL, define data models and ICDs, and ensure governance across complex environments.

The role requires strong stakeholder engagement and hands-on experience with modern data tools, cloud storage formats, and CI/CD

Qualifications

• Proven experience delivering data engineering solutions within complex environments.
• Hands-on Python and SQL experience, building and optimizing scalable data pipelines.
• Expertise with Apache NiFi and data orchestration across multiple sources and systems.
• Experience designing data models, schemas, data contracts and integration frameworks.
• Strong understanding of REST API integration, Parquet formats and S3-compatible object storage.
• Experience deploying or supporting data platforms within OpenShift or Kubernetes environments.
• Knowledge of GitLab CI/CD and modern software delivery practices.
• Understanding of data validation, metadata management, lineage and governance principles.
• Strong stakeholder engagement, problem-solving and communication skills.

Responsibilities

• Design, build and maintain secure, scalable data platforms across ingestion, storage, processing and analytics workloads.
• Develop robust data pipelines using Apache NiFi, Python and SQL, integrating complex data from APIs and enterprise systems.
• Define and implement data models, schemas, data contracts and ICDs to support reliable system integration.
• Drive data quality, governance, lineage and traceability standards, ensuring data remains accurate, trusted and auditable.
• Collaborate closely with engineers, analysts, data scientists and customer stakeholders to deliver resilient, production-ready solutions.

Skills

Python

SQL

Apache NiFi

Data Modeling

Data Contracts

Data Governance

REST API integration

Parquet

S3 storage

GitLab CI/CD

Stakeholder engagement

Tools

OpenShift

Kubernetes

Job description

Marks Sattin is partnering with a leading defence technology firm in the UK to appoint a Senior Data Engineer (DV cleared) to design and deliver secure, scalable data platforms for critical operations in the SW England region. You will craft data pipelines with NiFi, Python and SQL, define data models and ICDs, and ensure governance across complex environments.

The role requires strong stakeholder engagement and hands-on experience with modern data tools, cloud storage formats, and CI/CD