Quantitative Portfolio Analyst

Janus Henderson Investors U.S.; Greater London; Hybrid; GBP 100,000 - 125,000; Full time

Job summary

A leading investment firm in Greater London is seeking a professional to develop quantitative tools for data analysis and support portfolio construction. Responsibilities include collaborating with performance and risk teams, executing trade operations, and ensuring compliance. Ideal candidates will have proven experience in quantitative analysis, advanced skills in financial programming, and strong communication abilities. The firm offers a hybrid working model, generous holidays, and excellent health benefits.

Benefits

Generous holiday policies

Health and wellbeing benefits

Paid volunteer time

Professional development support

Complimentary subscription to Headspace

Lunch allowance

Qualifications

• Proven experience in quantitative analysis within asset management.
• Advanced user of Python and SQL for financial programming.
• Knowledge of factor models and risk systems.

Responsibilities

• Develop and maintain quantitative tools for data analysis.
• Collaborate with performance and risk teams on analytics.
• Ensure seamless execution of trade operations and compliance.

Skills

Quantitative analysis

Statistical analysis

Financial programming (Python, SQL)

Reporting tools (Power BI, Tableau)

Communication skills

Attention to detail

Analytical mindset

Education

CFA, FRM, CQF or equivalent

Tools

Bloomberg

Style Analytics

Job description

Why work for us?

A career at Janus Henderson is more than a job, it’s about investing in a brighter future together.

Our Mission at Janus Henderson is to help clients define and achieve superior financial outcomes through differentiated insights, disciplined investments, and world-class service. We will do this by protecting and growing our core business, amplifying our strengths and diversifying where we have the right.

Our Values are key to driving our success, and are at the heart of everything we do:

Clients Come First - Always | Execution Supersedes Intention | Together We Win | Diversity Improves Results | Truth Builds Trust

If our mission, values, and purpose align with your own, we would love to hear from you!

Your opportunity

• Develop and maintain quantitative tools for data capture and analysis to support portfolio construction and exposure monitoring.
• Maintain records of portfolio holdings, transactions and cash balances across a variety of portfolios, and build visualisations to support investment insights and decision-making.
• Collaborate closely with performance and risk teams to access and review analytics, performance attribution data and risk reports. Create presentations and summaries that communicate drivers of performance, key portfolio risks and investment outcomes to both senior stakeholders and clients.
• Ensure the seamless execution of trade operations, portfolio rebalancing and compliance checks in coordination with trading and operations teams.
• Assist in data management, data quality checks and enriching operational workflows. Liaise with internal teams to resolve operational issues quickly and ensure alignment with internal controls and regulatory requirements.
• Work with investment team, performance, risk, technology and operations to streamline data workflows and integrate analytical insights into investment and operational processes.
• Support client reporting and commentary generation utilising tech tools to enhance reporting accuracy and efficiency.
• Carry out other duties as assigned.

What to expect when you join our firm

• Hybrid working and reasonable accommodations
• Generous Holiday policies
• Excellent Health and Wellbeing benefits including corporate membership to ClassPass
• Paid volunteer time to step away from your desk and into the community
• Support to grow through professional development courses, tuition/qualification reimbursement and more
• Maternal/paternal leave benefits and family services
• Complimentary subscription to Headspace – the mindfulness app
• All employee events including networking opportunities and social activities
• Lunch allowance for use within our subsidized onsite canteen

Must have skills

• Proven experience in quantitative analysis within asset management, preferably in a multi-asset solutions setting.
• Advanced level user of statistical analysis, portfolio modelling and financial programming (Python, SQL), visualisation/reporting tools (Power BI and Tableau) and AI tools.
• Knowledge of factor models and risk systems (such as Bloomberg, Style Analytics).
• Familiarity with operational procedures within a portfolio management context, including reconciliation and compliance processes.
• Strong written and verbal communication skills for presenting complex analytics and operational insights.
• Ability to work both independently and collaboratively.
• Attention to detail and the ability to manage multiple priorities under tight deadlines.
• Analytical mindset with a proactive approach to problem-solving
• Adaptable, self-motivated, and eager to contribute to a high-performing team

Nice to have skills

• CFA, FRM, CQF, or equivalent professional qualification (preferred but not required)
• Familiarity with regulatory requirements relevant to investment management and risk
• Interest in global financial markets and investment trends

Investment areas

• Has responsibility for supporting portfolios within Multi Asset.

Supervisory responsibilities

• No

Potential for growth

• Mentoring
• Leadership development programs
• Regular training
• Career development services
• Continuing education courses

For those in scope of Knowledge & Competence (MiFID II)

• Knowledge of financial markets, financial markets function and the impact of economic figures and national/regional/global events on markets
• Understanding of issues relating to market abuse and anti-money laundering
• Annual attestation

You will be expected to understand the regulatory obligations of the firm, and abide by the regulated entity requirements and JHI policies applicable for your role.

At Janus Henderson Investors we’re committed to an inclusive and supportive environment. We believe diversity improves results and we welcome applications from candidates from all backgrounds. Don’t worry if you don’t think you tick every box, we still want to hear from you! We understand everyone has different commitments and while we can’t accommodate every flexible working request we’re happy to be asked about work flexibility and our hybrid working environment. If you need any reasonable accommodations during our recruitment process, please get in touch and let us know at [e-mail].

#LI-NA1, #LI-Hybrid

Janus Henderson (including its subsidiaries) will not maintain existing or sponsor new industry registrations or licenses where not supported by an employee’s job functions (as determined by Janus Henderson at its sole discretion).

All applicants must be willing to comply with the provisions of Janus Henderson Investment Advisory Code of Ethics related to personal securities activities and other disclosure and certification requirements, including past political contributions and political activities. Applicants’ past political contributions or activity may impact applicants’ eligibility for this position. Janus Henderson is an equal opportunity /Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. All applications are subject to background checks.