Senior Manager, Transaction Strategy and Execution, EY Parthenon, FS

Location: London; Other locations: Primary Location Only; Date: 21 May 2026; Requisition ID: 1703817

At EY, we’re all in to shape your future with confidence. We’ll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go. Join EY and help build a better working world.

The Opportunity

EY-Parthenon is a leading global strategy consultancy and M&A practice, offering genuine opportunities to work on some of the world’s highest profile transactions in a market‑leading team.

Your key responsibilities

• Lead engagements, working with cross‑functional teams in a high‑pressure environment.
• Due diligence analysis and report writing, focused on IT considerations and their impact on transaction rationale.
• Design, planning and execution of IT integration and separation programmes.
• Design, planning and execution of IT strategic transformation programmes.
• Manage engagement economics and communicate significant issues, fees and general progress to partners and clients.
• Coach junior team members and play a lead role in developing the team’s intellectual capital.
• Participate in marketing efforts by building relationships with senior clients and enhancing the team’s external brand.

Skills and attributes for success

• Financial Services expertise: at least seven years industry and/or consulting experience in a Financial Services environment.
• Change management: a proven track‑record in leading change initiatives, preferably in a transaction context.
• Strategic insight: aware of trends in Financial Services and the M&A market and able to apply this knowledge to shape the approach for individual assignments.
• Commercial acumen: able to quickly understand key value drivers in a business and use this insight to influence problem solving.
• Quantitative and qualitative analysis: apply sound analysis to understand how operational issues affect the investment case for a transaction.
• Technology platforms: familiarity with technology platforms for Financial Service business, including core platforms and enterprise applications, and how to drive value from technology.
• Communication skills: good verbal communication, a good listener, strong written communication and ability to produce high‑quality reports.
• Relationship management: establish credibility and presence with client teams and engage as a peer to debate operational and strategic issues; develop long‑term relationships beyond individual projects.
• Selling skills: recognise opportunities and draw on other experts to deliver an optimum solution.
• Cultural awareness: awareness of different operating styles and cultures and reflect these in the approach to each assignment.
• People management and teamwork: use group dynamics to achieve assignment objectives; approachable, provide coaching and support to address individual development needs.
• Strong academic track record: including a degree.
• Ability to deal with ambiguity: applicants should also benefit from international experience, transaction experience and foreign language skills.

Client responsibilities

• Able to form influential relationships on client accounts.
• Lead engagements delivering Deal Technology or Strategic Transformation services.
• Support client decision‑makers in developing and executing transaction strategy to secure deal value.
• Deliver high client satisfaction with engagement process and deliverables, and drive additional and repeated engagements.
• Understand EY’s service offerings and actively identify opportunities to improve client service.

People responsibilities

• Responsible for overall team performance on engagements.
• Help people develop through supervising, coaching and mentoring junior staff.
• Contribute to people initiatives including recruiting, retaining and training professionals.
• Maintain an educational programme to develop personal skills on an ongoing basis.
• Understand, follow and communicate workplace policies and procedures to junior staff.
• Build strong internal relationships with other EY teams.

Benefits of the role

• High profile: opportunity to work on the world’s largest transactions in a market‑leading team.
• Growth: the DMT team is a high‑growth part of the business, offering significant development opportunities.
• Team environment: collaborative approach and strong support from the wider organisation.
• Variety: each assignment offers a chance to work across banking, asset management and insurance transactions.
• Mobility: work may involve travel and international career opportunities.

What working at EY offers

We offer a competitive remuneration package and comprehensive Total Rewards, including support for flexible working, health and well‑being, savings, insurance and a range of benefits. Support, coaching and feedback from colleagues; opportunities to develop new skills and progress your career; freedom and flexibility to handle your role in a way that’s right for you.

About EY

As a global leader in assurance, tax, transaction and advisory services, EY is committed to building a better working world. EY offers training, opportunities and creative freedom for employees and aims to be the best employer.

Inclusive employment

EY is committed to being an inclusive employer and considers flexible working arrangements. Personal data collection is confidential and is not used to evaluate candidacy, but is collected to help analyse the recruitment process and promote diversity.