Senior Consultant

Women in Data®; Greater London; On-site; GBP 75,000 - 110,000; Full time

Job summary

JMAN Group, a London-based data engineering and data science consultancy, seeks a Senior Consultant to lead complex client workstreams end-to-end, guiding problem framing, delivery quality and commercial impact. You will drive strategic recommendations and mentor junior consultants while shaping engagements across the US and Europe.

You will partner with senior stakeholders, manage cross-regional delivery teams, and craft high-quality presentations for C-suite audiences, contributing to growth

Qualifications

• 5+ years of relevant experience in consulting or professional services.
• Proven experience leading projects or multiple workstreams with accountability for outcomes.
• Strong track record of high performance, leadership, and client impact.
• Advanced analytical and structured problem solving skills.
• Confidence working with data and translating analysis into strategic, commercial insight.
• Strong commercial judgment and ability to link recommendations to business value.
• Advanced written and verbal communication skills with experience influencing senior stakeholders.
• Ability to operate effectively in lean, high-performance teams.

Responsibilities

• Lead and deliver complex client projects end-to-end, across multiple workstreams.
• Take accountability for project delivery including problem definition and timelines.
• Translate complex analysis into clear, commercially grounded recommendations.
• Own senior client relationships and proactively manage stakeholders.
• Structure ambiguous problems and guide teams using first-principles thinking.
• Oversee global delivery teams ensuring quality and pace across regions.
• Develop high-quality materials and presentations for senior executives.
• Identify opportunities to extend engagements and drive growth.
• Contribute to firm-building initiatives and mentor junior team members.

Skills

Leadership

Client management

Analytical thinking

Structured problem solving

Communication

Business acumen

Decision making

Tools

Excel

PowerPoint

Tableau

Power BI

SQL

Python

Alteryx

Job description

JMAN Group is a fast-growing data engineering & data science consultancy. We work primarily with Private Equity Funds and their Portfolio Companies to create commercial value using Data & Artificial Intelligence. In addition, we also work with growth businesses, large corporates, multinationals, and charities.

We are headquartered in London with Offices in New York, London and Chennai. Our team of over 650 people is a unique blend of individuals with skills across commercial consulting, data science and software engineering.

We were founded by cousins Anush Newman (Co-founder & CEO) and Leo Valan (Co-founder & CTO) and have grown rapidly since 2019. In May 2023 we took a minority investment from Baird Capital and in January 2024 we opened an office in New York with the ambition of growing our US business to be as large as, if not bigger than, our European business by 2027.

Position

The primary focus of all our Consultants are to deliver high calibre commercial & technical solutions for our clients across our 5 core solutions: Due Diligence, Core Reporting, Data & AI Advisory, Value Creation, and Prep for Exit.

As a Senior Consultant at JMAN, you will lead complex client workstreams and projects end-to-end, acting as a trusted partner to senior client stakeholders. You will take accountability for problem framing, delivery quality, and commercial impact, while guiding teams to deliver rigorous analysis and actionable recommendations.

From the outset, you will play a critical role in shaping engagements, influencing strategic decisions, and contributing to the growth of key client accounts. You will also be a visible leader within the firm, supporting the development of junior consultants and contributing to firm building initiatives across the US business. This role is suited to individuals who combine strong consulting fundamentals with leadership capability, commercial judgment, and a desire to take on greater responsibility and influence.

Key Responsibilities

• Lead and deliver complex client projects or multiple workstreams end-to-end, across both structured and exploratory engagements


• Take accountability for project delivery, including problem definition, analytical approach, quality of outputs, and timelines


• Translate complex analysis into clear, commercially grounded recommendations that drive measurable client outcomes


• Own senior client relationships, acting as a trusted advisor to decisionmakers and proactively managing stakeholders


• Structure ambiguous, high impact problems and guide teams using hypothesis-led, first-principles thinking


• Oversee and coordinate global delivery teams, ensuring consistent quality, alignment, and pace across regions


• Lead the development of high-quality materials and presentations that influence senior executives and investment stakeholders


• Identify opportunities to extend engagements or expand client accounts, supporting commercial growth


• Play a key role in firm building initiatives, helping shape how JMAN operates and scales


• Coach, mentor, and develop junior team members through active leadership and feedback


• Take ownership of your professional development while contributing to the development of others

Requirements

• 5+ years of relevant experience, ideally in consulting or professional services, with demonstrated progression


• Proven experience leading projects or multiple workstreams with accountability for outcomes


• Strong track record of high performance, leadership, and client impact


• Advanced analytical and structured problem solving skills


• Confidence working with data and translating analysis into strategic, commercial insight


• Strong commercial judgment and ability to link recommendations to business value


• Advanced written and verbal communication skills, with experience influencing senior stakeholders


• Ability to operate effectively in lean, high-performance teams, taking ownership and initiative


• Experience with, or strong interest in developing capabilities in: Excel and PowerPoint, Tableau or Power BI, SQL, Python, or Alteryx

Beneficial if you have

• A grounding in data science or AI.


• Experience working in a global delivery model.


• Foreign language skills (German, French or Spanish in particular)

How to thrive at JMAN

• Operate with full ownership and accountability across complex, fast-paced engagements


• Confidently lead senior client conversations, including challenging discussions, and steer delivery to successful outcomes


• Think from first principles, solving complex problems pragmatically and commercially


• Proactively drive impact, challenging assumptions and shaping direction when it improves results


• Communicate with clarity and authority, adapting your style to senior and executive-level audiences


• Lead by example, supporting and developing others while maintaining high delivery standards


• Thrive under pressure, viewing complexity and ambiguity as opportunities to add value


• Maintain strong self-awareness and a commitment to continuous improvement for yourself and your teams


• Bring structure, momentum, and clarity to ambiguous environments

Other information

JMAN is committed to equal employment opportunities. We are diverse, high performing team and base all our employment decisions merit, job requirements and business needs.

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