Oliver James
Aladdin Data Analyst – InsideIR35 – London Hybrid

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About the Role
This is a hands-on role focused on analysing, documenting and validating data mappings between legacy investment systems and target platforms, including BlackRock Aladdin. You will work closely with business users, data teams and technology teams to understand current data usage, identify target data requirements and help ensure critical business processes can continue following system decommissioning. The role is well suited to an experienced analyst who is comfortable working with complex datasets, tracing data lineage, documenting mappings and supporting testing activities within a fast-paced delivery environment.
You Will Be Expected To
- Analyse data structures, attributes and relationships across investment, risk and operational systems.
- Document source-to-target data mappings from legacy platforms into Aladdin and associated target-state solutions.
- Work with business stakeholders to understand how data is consumed within investment processes and identify the impact of proposed changes.
- Validate mapping outputs through data analysis and reconciliation activities.
- Support business and user acceptance testing by helping define test scenarios, reviewing results and investigating issues.
- Document data definitions, business rules, transformations and exceptions.
- Work closely with technology, data management and programme teams to track issues, dependencies and outstanding actions.
- Produce clear and accurate documentation that can be used by delivery and support teams.
- Communicate progress, risks and recommendations to both technical and non-technical stakeholders.
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.
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No noise. No "maybe this fits." Just roles with a clear explanation of why they're right — and where to focus when applying.
What We Offer
An opportunity to work on one of the firm’s most significant investment platform transformation programmes, alongside experienced investment, data and technology professionals.


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Must-have Skills
- Approximately 5 years’ experience in a Data Analyst, Data Migration Analyst, Business Data Analyst or similar role.
- Strong SQL skills, including the ability to analyse, reconcile and investigate complex datasets.
- Experience documenting source-to-target mappings and data transformation requirements.
- Experience supporting system migrations, data migrations or large-scale change programmes.
- Strong analytical and problem-solving skills with excellent attention to detail.
- Ability to work independently and manage multiple workstreams concurrently.
- Strong experience with Tableau and or PowerBI.
- Excellent stakeholder management and communication skills.
- Experience producing high-quality documentation suitable for both business and technical audiences.
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