OSM Managed Service Lead in Farnborough

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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, workstreams 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 implementation.
• Previous background in leading large-scale migration programmes or technical projects (preferably £2m+ in value).
• Proven experience managing defence, aerospace or government technology programmes.
• Strong background in enterprise infrastructure including data centres, servers, storage, networking and virtualisation.
• Demonstrated experience with cloud migration (AWS, Azure, or private cloud) and hybrid infrastructure models.
• Track record of successful delivery of complex technical projects with multiple stakeholders and tight timelines.

Technical Knowledge

• Deep understanding of IT infrastructure architecture, capacity planning and performance optimisation.
• Strong knowledge of cloud platforms (AWS, Azure or equivalent) and hybrid deployment models.
• Experience with configuration management, automation tools and infrastructure-as-code practices.
• Understanding of database migration tools, methodologies and best practices.
• Knowledge of IT service management frameworks (ITIL, ITSM) and operational readiness processes.
• Proficiency with service management tools (ServiceNow).
• Familiarity with MOD security requirements, classification handling and defence contractor compliance frameworks.

Programme & Project Management

• Proficiency in formal project management methodologies (PRINCE2, PMI or equivalent).
• Strong experience with risk management, issue resolution and change control.
• Proven ability to develop business cases, secure funding and manage large budgets.
• Experience with migration planning tools and project management software (MS Project, Jira, ServiceNow or similar).

Personal Attributes

• Exceptional leadership capabilities with ability to motivate and develop technical teams.
• Outstanding communication and stakeholder management skills - able to translate complex technical concepts for executive audiences.
• Strong problem-solving and analytical abilities with excellent attention to detail.
• Ability to work effectively in high-pressure environments and manage competing priorities.
• Demonstrated commitment to security-conscious behaviours and information protection.
• Customer-focused mindset with proven ability to build and maintain long-term client relationships.

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