Harnham
GCP Data Engineer (Contract)

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Senior Data Engineer - RBAC & Security
£400-420 per day
Inside IR35
6-month contract
London - Hybrid, 3 days per week onsite
A leading organisation is looking for a Senior Data Engineer to join its Data Platform team, working across a major programme focused on role-based access control (RBAC), data security and governance within GCP.
You'll work closely with architects, engineers, product and governance teams to design and implement secure, scalable data solutions, while helping shape technical standards across the wider data platform.
The Role
As a Senior Data Engineer, you will be responsible for:
- Designing and implementing RBAC and data security solutions across GCP
- Developing and improving access controls across BigQuery and cloud data environments
- Supporting IAM/IDAM enhancements, service-account access and access reporting
- Designing and implementing data classification and governance-by-design
- Maintaining and improving a GCP/BigQuery lakehouse environment
- Building and supporting pipelines using Python, Airflow/Cloud Composer and dbt
- Identifying security vulnerabilities and supporting remediation
- Implementing robust CI/CD, testing and Terraform-based infrastructure
- Working across integrations including Fivetran, Tableau and Alation
Reasons to use Rodeo
I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?
Honest answer — it depends on where you want to end up. A lot of top grad schemes (Big 4, civil service, banking) don’t need a masters. Let’s look at the ones you’d be competitive for now, and we can decide if a masters actually adds anything.
Also worth knowing: most autumn 2026 applications are open now. Timing matters more than you think.
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Graduate Consultant — 2026 Scheme
Why you're a good match
StrongYour economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.
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Why you're a good match
You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.
Experience fit
Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.
Only hits
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The key deliverables include access enhancement, data-classification architecture, BigQuery/Tableau integration and vulnerability remediation.
Your Skills and Experience


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The successful Senior Data Engineer will have:
- Strong commercial experience with GCP and BigQuery
- Deep knowledge of RBAC / IAM within cloud data environments
- Strong understanding of data security, governance and access controls
- Hands-on experience with Python, Airflow and dbt
- Experience with Terraform and CI/CD
- Knowledge of Kubernetes
- Exposure to AWS alongside GCP
- Strong stakeholder management and the ability to work with architects, analytics engineers and software engineers
The underlying platform also uses BigQuery, Kubernetes, Python, Airflow, dbt, CI/CD and Terraform.
How to Apply
Please register your interest by sending your CV via the Apply link on this page.
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