OSM Migration Service Lead

Job Description:

DXC Technology is committed to building diverse, inclusive teams. We welcome applications from all backgrounds and particularly encourage interest from women, underrepresented groups, and neurodivergent candidates. We offer reasonable adjustments throughout the hiring process and are dedicated to creating a supportive, accessible environment for everyone.

OSM Migration Service Lead

Location:

Farnborough (onsite 5 days per week)
Due to the nature of the work and the customers we support, the successful candidate must be eligible to meet UK Government and contractual personnel security requirements, including the applicable residency requirements for the role, and have the right to work in the United Kingdom. Some roles may also be subject to nationality requirements where these are necessary to meet UK Government or contractual security obligations.

The OSM Migration Service Lead is a senior technical leadership position responsible for designing, planning, executing and managing large-scale operational services migrations for defence and aerospace clients. You will lead cross-functional teams through complex infrastructure and application migrations, ensuring minimal business disruption whilst maintaining the highest standards of security, compliance and service continuity. This role requires exceptional technical expertise combined with strong programme management discipline and customer leadership.

Key Responsibilities Migration Programme Leadership Lead end-to-end planning, execution and management of complex operational services migrations across defence and aerospace environments.

Develop comprehensive migration strategies, roadmaps and execution plans aligned with customer objectives and security requirements.

Manage migration timelines, budgets, resources and risks, ensuring on-time and on-budget delivery.

Establish and maintain governance structures, including steering committees, work streams and escalation protocols.

Conduct thorough business impact assessments and define migration success criteria aligned to customer priorities.

Serve as the primary point of contact between the customer and the service provider, ensuring alignment of IT services with business objectives and contractual obligations.

Technical Architecture & Design Design target-state operational architectures incorporating modern IT infrastructure, cloud services and integrated systems.

Evaluate migration approaches (phased, big-bang, hybrid) and recommend optimal strategies based on risk, timeline and cost factors.

Ensure migrated services meet security requirements including MOD Classification Guides, ITAR and defence security standards.

Lead technical design reviews and validation testing to ensure data integrity, system performance and operational readiness.

Document architecture decisions, migration methodologies and operational procedures for knowledge transfer and continuity.

Team & Resource Management Lead, mentor and develop technical migration teams including engineers, architects, DBAs and infrastructure specialists.

Manage resource allocation, onboarding of cleared personnel and coordination across multiple work streams.

Engage third-party vendors and subcontractors, managing SLAs and quality deliverables.

Foster a culture of accountability, technical excellence and continuous improvement within the migration team.

Customer & Stakeholder Management Serve as primary technical authority and trusted advisor to senior customer stakeholders throughout the migration lifecycle.

Provide regular executive-level reporting on migration progress, risks, issues and resolutions.

Manage customer expectations, communications and change management throughout the migration journey.

Lead technical workshops, design sessions and validation activities with customer technical teams.

Risk & Quality Management Identify, assess and actively manage migration risks, developing mitigation strategies and contingency plans.

Establish quality assurance frameworks, testing protocols and validation procedures to ensure customer satisfaction.

Ensure compliance with security vetting requirements, personnel security policies and defence contractor obligations.

Manage incidents, issues and change requests during migration phases, ensuring rapid resolution.

Conduct post-migration reviews and lessons learned sessions to drive continuous improvement.

Support audit and compliance activities, maintaining accurate records and evidence of service management actions.

Service Transition & Handover Plan and execute smooth transition to operational support, ensuring customer operations teams are fully prepared.

Develop comprehensive operational documentation, runbooks and knowledge transfer materials.

Lead training programmes for customer personnel on new systems, processes and operational procedures.

Establish service level agreements (SLAs) and operational metrics for migrated services.

What You’ll Bring Experience in IT operations, infrastructure migration or systems…