Lorien
Business Analyst
How your CV stacks up
Upload your CV to see how well it fits this job role
?%
Business Analyst – OMS Migration (Back Office / Post‑Trade)
Location: City of London - 3 days per week into Office
Inside IR35: 600
Duration: 12-months
We’re supporting a global financial services organisation on a major OMS migration programme, impacting core back‑office settlements and accounting platforms. This role sits within a wider transformation focused on modernising post‑trade systems and ensuring operational stability, financial accuracy, and regulatory compliance throughout the migration lifecycle.
You’ll play a key role in delivering the OMS migration, working across Operations, Finance, Risk and Technology to define requirements and ensure successful implementation.
Key responsibilities include:
- Eliciting and documenting business requirements, process flows and data mappings across settlement and accounting systems
- Analysing as‑is and to‑be processes, including trade settlement, netting, cash and securities movements, booking models and accounting flows
- Supporting system migration activities such as functional design, data migration, reconciliations and legacy decommissioning
- Driving UAT planning and execution, including test scenario definition, coordination and defect triage
- Supporting parallel run and post‑implementation validation to ensure data accuracy and operational control
- Ensuring all changes align with governance, risk and regulatory requirements
Reasons to use Rodeo
Start with a chat, not a search bar
Grad scheme, placement, apprenticeship? Not sure what you want yet — that's fine. Your agent talks it through with you and turns "I have no idea" into a shortlist.
It searches the market for you
Every day your agent scans the market matching roles against what actually matters to you, not just keywords on a CV.
Only hits
No noise. No "maybe this fits." Just roles with a clear explanation of why they're right — and where to focus when applying.
Experience Required
- Proven experience as a Business Analyst within back office / post‑trade environments
- Strong understanding of settlements, accounting flows and financial reconciliations
- Experience supporting OMS or large‑scale system migrations / change programmes
- Strong process mapping, data analysis and documentation skills
- Confident stakeholder management across Operations, Finance, Risk and Technology
Get help with your application
Your very own career expert that helps elevate your application to the next level.
Desirable:
- Experience with settlement or accounting platforms / post‑trade vendor systems
- Knowledge of booking models, net settlement and control frameworks
- Exposure to regulatory or audit‑driven change in financial services
This is an opportunity to join a high‑impact OMS transformation programme, working across a complex financial services environment and contributing to the modernisation of critical post‑trade systems.
If you’re interested in working on large‑scale trading system migrations, please get in touch to discuss further.
“It took my CV and asked me questions relevant to understanding what kind of jobs to suggest for me. Suggestions were almost perfect. Jobs were exactly what I’ve been looking for.”
Jessica, London
Skills