# Calypso Programme Director

> G MASS · London, United Kingdom (Hybrid) · Contract · Posted 2026-03-11

**Workplace:** hybrid

## Description

G MASS Consulting is supporting a global broker undertaking a major front-to-back transformation of its trading and post-trade infrastructure. The programme centres on the implementation and consolidation of the Calypso platform, replacing legacy systems and establishing a single strategic platform across multiple asset classes.

We are seeking an experienced Programme Director / Transformation Lead to take ownership of the delivery of this transformation. This individual will provide end-to-end programme leadership, coordinating technology delivery, operational change and vendor engagement across global teams.

**The role requires a senior transformation leader who has delivered large-scale Calypso implementations or migrations within complex trading environments, ideally spanning multiple asset classes and global operations.**

**Responsibilities**

-   Provide overall programme leadership for the Calypso implementation and platform consolidation initiative
-   Establish delivery governance, programme structure and milestone tracking across workstreams
-   Manage programme dependencies across technology, operations and product teams
-   Coordinate with the Calypso vendor and implementation partners to ensure delivery milestones are achieved
-   Lead cross-asset migration planning across FX, commodities, rates, and equity derivatives workflows
-   Oversee operational change and ensure alignment between platform delivery and business processes
-   Identify and mitigate programme risks, controlling delivery slippage and complex dependencies
-   Engage senior stakeholders across global teams in EMEA, the US, and the Middle East
-   Drive collaboration across internal technology teams, operations functions, and external vendors

## Requirements

-   Extensive experience delivering Calypso platform implementations, migrations or major transformations
-   Proven programme leadership across large-scale trading platform or capital markets technology initiatives
-   Strong understanding of cross-asset trading environments (FX, commodities, rates and derivatives)
-   Demonstrated ability to manage complex transformation programmes involving multiple stakeholders and vendors
-   Experience establishing governance frameworks and driving delivery across global teams
-   Strong vendor management capability, particularly when coordinating with platform providers and system integrators
-   Background within a Tier-1 investment bank, commodities trading firm, or global brokerage

## Benefits

6-month rolling contract.

Salary / rate to be discussed.

## Apply

[Apply at G MASS](https://apply.workable.com/g-mass/j/08CB8C0589/apply)

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