Application Migration Engineer

Sanderson Government & Defence; City Of London; On-site; GBP 70,000 - 110,000; Full time

Job summary

Sanderson Government & Defence seeks an Application Migration Engineer to assess, design, and deliver migrations to the Common Data Platform (CDP). You’ll ensure secure, efficient delivery with minimal business disruption and work with architects and platform engineers to meet CDP standards.

The role involves data integrity, documentation, and mentoring. Experience with cloud-native apps, IaC, and modern deployment practices is essential for success.

Qualifications

• Proven experience developing, maintaining, and supporting enterprise-grade applications and services.
• Strong understanding of software development lifecycles and modern engineering practices.
• Experience deploying and supporting applications within cloud environments.
• Demonstrable experience migrating legacy applications and services to modern cloud-based architectures.
• Experience implementing CI/CD pipelines, automated deployment processes, Git version control, and modern branching strategies.
• Knowledge of data migration methodologies, including data validation and reconciliation techniques.
• Understanding of enterprise security principles, governance frameworks, and compliance requirements.

Responsibilities

• Assess existing services, applications, and supporting infrastructure to identify migration requirements, dependencies, and risks.
• Design and implement migration strategies that minimise service disruption and technical risk.
• Develop, test, and deploy application changes required to ensure compatibility with the CDP platform.
• Refactor legacy applications and components where necessary to improve maintainability, resilience, scalability, and performance.
• Work closely with Solution Architects and Platform Engineers to ensure services align with CDP standards, architectural principles, and best practices.
• Support data migration activities, maintaining data integrity, security, and compliance throughout the migration lifecycle.
• Produce and maintain technical documentation, including solution designs, migration plans, deployment processes, and operational procedures.
• Investigate and resolve technical issues encountered during migration and post-migration support activities.
• Provide technical guidance, mentoring, and knowledge transfer to operational and support teams.

Skills

Enterprise apps

SDLC

Cloud deployment

CI/CD

Data migration

Security & compliance

IaC

Job description

Role SummaryThe Application Migration Engineer will be responsible for assessing, designing, and delivering the migration of existing services and applications onto the new Common Data Platform (CDP). The role focuses on ensuring migrations are delivered securely, efficiently, and with minimal disruption to business operations.

Key Responsibilities

• Assess existing services, applications, and supporting infrastructure to identify migration requirements, dependencies, and risks.
• Design and implement migration strategies that minimise service disruption and technical risk.
• Develop, test, and deploy application changes required to ensure compatibility with the CDP platform.
• Refactor legacy applications and components where necessary to improve maintainability, resilience, scalability, and performance.
• Work closely with Solution Architects and Platform Engineers to ensure services align with CDP standards, architectural principles, and best practices.
• Support data migration activities, maintaining data integrity, security, and compliance throughout the migration lifecycle.
• Produce and maintain technical documentation, including solution designs, migration plans, deployment processes, and operational procedures.
• Investigate and resolve technical issues encountered during migration and post-migration support activities.
• Provide technical guidance, mentoring, and knowledge transfer to operational and support teams.

Required Technical Competencies

• Proven experience developing, maintaining, and supporting enterprise-grade applications and services.
• Strong understanding of software development lifecycles and modern engineering practices.
• Experience deploying and supporting applications within cloud environments.
• Demonstrable experience migrating legacy applications and services to modern cloud-based architectures.
• Experience implementing CI/CD pipelines, automated deployment processes, Git version control, and modern branching strategies.
• Knowledge of data migration methodologies, including data validation and reconciliation techniques.
• Understanding of enterprise security principles, governance frameworks, and compliance requirements.
• Familiarity with infrastructure-as-code, containerisation, and cloud-native technologies would be advantageous.

Personal Attributes

• Strong analytical and problem-solving skills, with the ability to diagnose complex technical challenges and deliver practical solutions.
• Collaborative and team-oriented approach, with experience working across multidisciplinary technical teams.
• Excellent communication skills, capable of conveying technical concepts to both technical and non-technical stakeholders.
• Resilient and adaptable, with the ability to perform effectively in fast-paced environments and manage competing priorities.
• Customer-focused mindset, ensuring technical decisions support operational objectives and business outcomes.
• Proactive and self-motivated, with a commitment to continuous improvement and learning.

Reasonable Adjustments

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.