Data Engineer

CACI Ltd; West of England; Hybrid; GBP 65,000 - 100,000; Full time

Job summary

CA CI Ltd. is seeking a Data Engineer to deliver high-priority projects across the full lifecycle, ensuring data quality and secure data environments. You will build ETL frameworks, design data models, and optimise data workflows in cloud platforms.

The role requires experience with Snowflake and modern data architectures, plus strong SQL/Python and data visualization awareness. Hybrid work options and UK offices are available.

Qualifications

• Proven experience as a Data Engineer within complex environments.
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Responsibilities

• Interpret and validate data requirements, gather and analyse large-scale structured datasets, and perform profiling within data environments to ensure accuracy and completeness.
• Design and implement ETL frameworks to ingest, transform, validate, normalize, and cleanse data, ensuring it meets business and technical needs.
• Apply data quality controls and prepare datasets for visualisation, implementing data models and manage storage solutions like Amazon S3, Azure Blob Storage, BigQuery, or Snowflake.
• Support the development of data management standards and policies, including techniques for data synthesis and anonymisation to maintain compliance and security.
• Develop robust data models to support analytics and reporting within secure environments.
• Delivering performance optimisation through the monitoring and tuning of data workflows for speed, cost efficiency, and reliability.
• Establish and refine best practices in data engineering, while contributing to advanced analytics and visualization strategies through research, evaluation of emerging technologies, and presentation of findings to stakeholders.

Skills

SQL

Python

Apache Airflow

Spark

Snowflake

Cloud platforms

Data governance

Data modelling

Amazon S3

Azure Blob Storage

BigQuery

Tools

Amazon S3

Azure Blob Storage

BigQuery

Job description

Role Location

You can work from any of our 5 offices in the UK (including Bristol, Cheltenham & London) or from home, you decide. The role will involve occasional travel to meet customers.

About the Role

The successful candidate will be focused on the delivery of high-priority projects where you will be supporting our customers across the full project lifecycle from initiation to conclusion. Working with a broad range of technical tools, you will be support with compliance to data governance, standards and qualify frameworks. Key Responsibilities will Include:

• Interpret and validate data requirements, gather and analyse large-scale structured datasets, and perform profiling within data environments to ensure accuracy and completeness.
• Design and implement ETL frameworks to ingest, transform, validate, normalize, and cleanse data, ensuring it meets business and technical needs.
• Apply data quality controls and prepare datasets for visualisation, implementing data models and manage storage solutions like Amazon S3, Azure Blob Storage, BigQuery, or Snowflake.
• Support the development of data management standards and policies, including techniques for data synthesis and anonymisation to maintain compliance and security.
• Develop robust data models to support analytics and reporting within secure environments.
• Delivering performance optimisation through the monitoring and tuning of data workflows for speed, cost efficiency, and reliability.
• Establish and refine best practices in data engineering, while contributing to advanced analytics and visualization strategies through research, evaluation of emerging technologies, and presentation of findings to stakeholders.

The Fit

The ideal candidate will have a background of working with industry best practices for data management, security, scalability, and awareness of Data Standards, Interoperability, Data Governance, and Data Sharing across security domains. We are looking for someone who is passionate about technology, enjoys problem-solving, and has a collaborative mindset.

Additional skills include:

• Proven experience as a Data Engineer within complex environments.
• Strong knowledge of data management principles, including data modelling, integration, and governance.
• Ability to assess existing data management systems and recommend improvements.
• Experience working with Snowflake.
• Familiarity with modern data architectures (e.g., cloud-based, distributed systems).
• Proficiency in SQL, Python, and data pipeline tools (e.g., Apache Airflow, Spark).
• Experience with cloud platforms (AWS, Azure, GCP) and big data technologies.
• Awareness and evidence of Data Analytics and Visualisation.

Due to the industries we work in, we require the successful candidate to be able to obtain high level security clearance. To qualify for this, you must be a British citizen and have lived permanently in the UK for the last 5 years.

Why work for us?

IIG has the culture and feel of a small business, paired with the benefits of our position in a much larger organisation. The Data Engineer role is an excellent opportunity, and CACI reward their staff well with a competitive salary and impressive benefits package which includes:

• Flexi-time: 37.5 hour weeks to structure how you want.
• Hybrid working: Work from one of our offices or from home - you choose
• L&D: Budget for conferences, training courses and other materials.
• Social: Fantastic culture with monthly social events.
• Future You: Matched pension and health care package.

We offer a great L&D package including 5 days external training, a career coach and guilds to share innovation and learning. We also offer self-directed career progression, that fosters opportunities for success for us and our business.

We take great pride in taking care of our talent, providing a highly dynamic, inclusive and team-led environment where everyone can thrive.

CACI is proud to be an equal opportunities employer. Embracing the diversity of our people, we are on a journey to build a truly inclusive work environment where no one is treated less favourably due to ethnic origin, age, gender, veteran status, religion or belief, sexual orientation, marital status, and disability or health condition, actively working to pre vent discrimination.

Disability Confident

As a Disability Confident employer, we will;

• Provide reasonable adjustments in the recruitment process where requested (contact a member of the recruitment team on 020 7602 6000 to discuss individual requirements further).
• Offer people with health conditions and disabilities, meeting the minimum criteria for a role, an interview.

Our people are unique, and we encourage and support them to be confident in contributing to our inclusion journey.