Job Type: Permanent
Location: London, UK
Mode of Working: Hybrid
Number of hours: 40 hours per week – full time
Are you looking to lead complex Microsoft 365 migration programmes within enterprise environments?
We have an exciting opportunity for you – Senior Migration Engineer – Microsoft 365!
The Role
As a Senior Migration Engineer – Microsoft 365, you will be responsible for delivering end‑to‑end migration solutions across mergers and acquisitions environments. You will lead all phases of the migration lifecycle, from discovery and planning through to execution and post‑migration support. You will ensure that all solutions align with enterprise architecture standards, minimise technical debt, and support business objectives, while working closely with stakeholders across business and IT teams.
Key responsibilities
- Lead end‑to‑end Microsoft 365 migration projects, including tenant‑to‑tenant and G Suite to Microsoft 365 migrations.
- Manage all phases of the migration lifecycle, including discovery, assessment, planning, execution, and post‑migration validation.
- Perform data preparation, clean‑up, and migration readiness activities.
- Execute migrations with minimal downtime and ensure data integrity throughout the process.
- Troubleshoot and resolve migration issues efficiently.
- Ensure alignment of migration activities with enterprise architecture standards and IT strategy.
- Collaborate with business stakeholders and IT teams to define migration strategies and technical solutions.
- Provide technical guidance and communication of key decisions throughout the migration lifecycle.
- Support post‑migration validation, optimisation, and user transition activities.
- Maintain documentation of migration plans, configurations, and processes.
Essential skills/knowledge/experience
- Strong experience delivering Microsoft 365 migration projects, including tenant‑to‑tenant migrations.
- Proven expertise using Quest On Demand Migration (high proficiency required).
- Strong understanding of Microsoft 365 services, including Exchange Online, SharePoint Online, OneDrive, and Teams.
- Experience across all migration phases, including discovery, planning, execution, and validation.
- Strong troubleshooting and problem‑solving skills in migration scenarios.
- Experience working with enterprise infrastructure and cloud environments.
- Ability to engage and communicate effectively with stakeholders.
- Strong analytical and technical problem‑solving capabilities.
- Experience architecting and implementing Microsoft 365 and Azure solutions.
- Hands‑on technical expertise with modern migration and infrastructure technologies.
- Experience using BitTitan MigrationWiz for complex or non‑standard migration scenarios.
- Experience with ShareGate for SharePoint and OneDrive migrations.
- Experience within insurance or financial services environments.
- Knowledge of delivery methodologies and project frameworks.
- Strong interpersonal skills and ability to work in fast‑paced transformation environments.
Benefits
TCS is consistently voted as a Top Employer in the UK and globally. Our competitive salary packages feature pension, health care, life assurance, laptop, phone, access to extensive training resources and discounts within the larger Tata network.
Diversity, Inclusion and Wellbeing
Tata Consultancy Services UK&I is committed to meeting the accessibility needs of all individuals in accordance with the UK Equality Act 2010 and the UK Human Rights Act 1998. We believe in building and sustaining a culture of equity and belonging where everyone can thrive. Our diversity and inclusion motto is “Inclusion without Exception”. Our continued commitment to culture and diversity is reflected across our workforce implemented through equitable workplace policies and processes. We welcome and embrace diversity in race, nationality, ethnicity, disability, neurodiversity, gender identity, age, physical ability, gender reassignment, sexual orientation. We are a disability inclusive employer and encourage disabled people to apply for this role.
Senior Migration Engineer – Microsoft 365 employer: Tata Consultancy Services
Tata Consultancy Services in Birmingham is an exceptional employer, offering a dynamic work culture that fosters innovation and collaboration. With competitive salary packages, comprehensive health care, and extensive training resources, employees are empowered to grow their skills and advance their careers in a supportive environment. Join TCS to be part of a forward-thinking team dedicated to optimising warehouse operations and delivering impactful solutions.
