Quantitative Analyst; VN

About Marex

Marex Group plc (NASDAQ: MRX) is a diversified global financial services platform providing essential liquidity, market access and infrastructure services to clients across energy, commodities and financial markets. The group provides comprehensive breadth and depth of coverage across four core services: clearing, agency and execution, market making, and hedging and investment solutions. It has a leading franchise in many major metals, energy and agricultural products, with access to 60 exchanges.

The group provides access to the world’s major commodity markets, covering a broad range of clients that include some of the largest commodity producers, consumers and traders, banks, hedge funds and asset managers. With more than 40 offices worldwide, the group has over 2,300 employees across Europe, Asia and the Americas.

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The Risk Quantitative Analytics team provides quantitative risk expertise across the Group and is responsible for the Group’s Model Risk Management Framework. The team supports the assessment, development, and enhancement of risk methodologies, analytics, controls, and Model Risk Governance. It works with Risk, Front Office, Finance, Technology, and other stakeholders to provide independent quantitative review, challenge, and advisory support across areas such as pricing, valuation, risk measurement, stress testing, model use, and strategic quantitative risk initiatives.

The Quantitative Analyst will continuously be challenged around model risk management, model validation, pricing methodology and quantitative model development of various pricing and risk engines. Will gain exposure to various asset classes with a strong appreciation for the complexities across the various commodity, FX, interest rates, credit, algo trading strategies and equity markets.

• Perform independent validation of algorithmic trading models, pricing models, and risk engines, with particular focus on methodology, implementation, controls, and intended use.
• Review and challenge model implementation in C++, including ability to understand core logic, identify implementation weaknesses, and assess whether code behaviour is consistent with documented methodology.
• Validate pricing, Market and Credit VaR, Counter party Credit Risk and margining methodologies and engines across asset classes, including structured and exotic derivative products.
• Ongoing model development for valuation and risk measurement, carrying out reviews and calibration of model parameters to help ensure best practice is followed.
• Develop, maintain and extend historical datasets required for pricing, risk and validation, including time series, price data, implied-volatility surfaces and appropriate proxies. Build & maintain historic data sets across price and implied volatility surfaces to support pricing and risk models.
• Quantitively analyse new deals and identify embedded risks using Monte Carlo simulation based modelling and other methods.
• Support validation testing using Python and other tools, including benchmark analysis, sensitivity analysis, scenario testing, and out-of-sample review where relevant.
• Contribute to validation of software-heavy quantitative tools and front-office analytics libraries, including review of implementation evidence, model changes, and production behaviour.
• Produce clear and high-quality validation documentation, including technical write-ups in LaTeX where appropriate.
• Develop validation and risk-analysis tooling, testing utilities, data workflows and reporting capabilities to improve the efficiency and repeatability of quantitative review.

• Strong quantitative and analytical skills, including, Stochastic…