Technical Lead - M&A in London

We are seeking a talented and experienced individual to join our team at Marsh. This role will be based in our London office and offers a hybrid working arrangement, with a requirement to work from the office at least three days per week.

As the Technical Lead for M&A projects, you will play a critical role in supporting technical discovery, due diligence, and integration readiness across acquired and legacy products. This is a highly visible, hands-on position that combines strategic thinking with deep technical expertise, enabling successful integrations and ensuring long-term technology alignment. With a technical-first focus on architecture decisions, integration dependencies, non-functional requirements, and cutover and stabilisation activities, you will be instrumental in shaping the success of complex transformation initiatives.

We will count on you to:

• Lead technical discovery activities and conduct detailed system and application analysis for acquired and legacy products.
• Support technical due diligence efforts by identifying risks, dependencies, opportunities, and integration considerations.
• Provide technical leadership and guidance to engineering teams throughout implementation and integration activities.
• Design and recommend target-state integration and modernisation approaches for acquired entities, balancing business objectives with technical requirements.
• Assess architecture, infrastructure, security, and operational considerations to drive informed decision-making.
• Collaborate with stakeholders across technology and business functions to ensure successful delivery of integration outcomes.

What you need to have:

• 5+ years' experience in systems engineering within complex enterprise environments.
• Knowledge of AWS cloud computing platform.
• Strong experience working with enterprise integration patterns and controls, including identity management, security, networking, and observability.
• A solid understanding of system architecture, integration strategies, and technical governance.

What makes you stand out:

• Exceptional analytical and problem-solving skills, with the ability to translate complex technical findings into clear risks, options, and actionable recommendations.
• A Bachelor's degree in Computer Science, Software Engineering, Information Systems, or a related field.
• The ability to operate effectively both independently and collaboratively across multiple engineering, architecture, and control functions.
• Experience supporting mergers and acquisitions projects within large-scale enterprise environments.
• A proactive approach to identifying opportunities for optimisation, simplification, and innovation.

Why join our team:

• We help you be your best through professional development opportunities, interesting work and supportive leaders.
• We foster a vibrant and inclusive culture where you can work with talented colleagues to create new solutions and have an impact on colleagues, clients and communities.
• Our scale enables us to provide a range of career opportunities, as well as benefits and rewards to enhance your well-being.

Marsh is committed to embracing a diverse, inclusive and flexible work environment. We aim to attract and retain the best people and embrace diversity of age background, civil partnership status, disability, ethnic origin, family duties, gender orientation or expression, gender reassignment, marital status, nationality, parental status, personal or social status, political affiliation, race, religion and beliefs, sex/gender, sexual orientation or expression, skin color, or any other characteristic protected by applicable law. We are an equal opportunities employer. We are committed to providing reasonable adjustments in accordance with applicable law to any candidate with a disability to allow them to fully participate in the recruitment process. If you have a disability that may require reasonable adjustments, please contact us at reasonableaccommodations@marsh.com.

Marsh is committed to hybrid work, which includes the flexibility of working remotely and the collaboration, connections and professional development benefits of working together in the office. All Marsh colleagues are expected to be in their local office or working onsite with clients at least three days per week. Office-based teams will identify at least one “anchor day” per week on which their full team will be together in person.