Trading Assistant

Millennium Management LLC; Greater London; On-site; GBP 40,000 - 65,000; Full time

Job summary

Millennium is seeking a Trading Assistant for its Fixed Income trading pod in London. You will capture traded risk in booking systems across swaps, bonds, FX and derivatives, and support trade details with Portfolio Managers and brokers.

You’ll partner with Middle Office, Operations, and Technology to ensure timely trade processing, issue resolution, and process improvements. 3+ years in a trade assistant or trading desk support is required, with a keen interest in fixed income and

Qualifications

• 3+ years of experience in a trade assistant or trading desk support role.
• Strong interest in Fixed Income and derivatives markets; relevant experience is preferred.
• Genuine motivation to learn and support a broad range of traded products, trading styles, and Portfolio Managers.
• A proactive approach to challenging and improving established processes, tasks, and operating models.
• Exceptional attention to detail and a commitment to accuracy.
• Strong communication skills and the ability to build effective working relationships with a range of internal and external stakeholders.

Responsibilities

• Capture traded risk accurately in booking systems across a broad Fixed Income product universe.
• Serve as a key point of contact between Portfolio Managers and sales teams or brokers to agree trade details and resolve trade-related issues.
• Partner closely with Middle Office, Operations, Technology, and Business Management to support timely, accurate trade processing and issue resolution.
• Monitor and improve trading book efficiency, including FX cash balance cleanups, inter-strategy clean transfers, and unwind package execution.
• Identify, develop, and deliver tactical process enhancements that create value for the team and individual Portfolio Managers.
• Provide backup trade execution support for the Portfolio Manager team.
• Deliver front-line trading support as the team prepares for its transition to an independent fund.

Skills

Trade support

Fixed Income

Derivatives markets

Attention to detail

Communication skills

Tools

AI tools

Coding basics

Job description

Trading Assistant

About Millennium

Millennium is a global, diversified alternative investment firm, founded in 1989. Defined by evolution, innovation and focus, Millennium’s mission is to deliver results for our investors.

Our people are empowered with both independence and support: the autonomy to pursue ideas with conviction and the backing of a global network committed to collaboration, disciplined risk management and continuous learning. With opportunities to deepen expertise and accelerate development, talent at Millennium is equipped to adapt, evolve and build lasting impact over time. Discover how transformative growth accelerates impact.

Meet the Team

This Fixed Income trading pod has grown in size and complexity, with an expanding team of traders and Portfolio Managers. As the pod prepares for an external spinout, the team is building a scalable support infrastructure to enable its next phase of growth while maintaining a collaborative, high-performing culture focused on disciplined risk management and high-quality results.

What You'll Do

• Capture traded risk accurately in booking systems across a broad Fixed Income product universe, including swaps, bonds, FX, inflation, rates volatility derivatives, futures, and options.
• Serve as a key point of contact between Portfolio Managers and sales teams or brokers to agree trade details and resolve trade-related issues.
• Partner closely with Middle Office, Operations, Technology, and Business Management to support timely, accurate trade processing and issue resolution.
• Monitor and improve trading book efficiency, including FX cash balance cleanups, inter-strategy clean transfers, trade lifecycle management, and unwind package execution.
• Identify, develop, and deliver tactical process enhancements that create value for the team and individual Portfolio Managers.
• Provide backup trade execution support for the Portfolio Manager team.
• Deliver responsive, front-line trading support as the team prepares for its transition to an independent fund.

What You Bring

• 3+ years of experience in a trade assistant or trading desk support role.
• Strong interest in Fixed Income and derivatives markets; relevant experience is preferred.
• Genuine motivation to learn and support a broad range of traded products, trading styles, and Portfolio Managers.
• A proactive approach to challenging and improving established processes, tasks, and operating models.
• Exceptional attention to detail and a commitment to accuracy.
• Strong communication skills and the ability to build effective working relationships with a range of internal and external stakeholders.
• Adaptability and openness to expanding the scope of the role as the business evolves.
• Familiarity with AI tools or large language models, and technical coding ability, are advantageous.