D365 F&O L3 Technical Support Analyst (SCM)

About the role

We are looking for an experienced Dynamics 365 Finance & Operations (D365 F&O) Technical Support Analyst to join our D365 F&O Application Support Center of Excellence. In this role, you will take ownership of complex technical incidents, develop and deploy robust fixes, and drive continuous improvement across a live enterprise D365 F&O estate. You will work closely with functional leads and service management to ensure high-quality outcomes aligned to SLAs and best practices. The ideal candidate will have 5+ years of relevant D365 F&O development experience, a strong background in troubleshooting and root-cause analysis, and practical experience delivering extension-based customisations, integrations, and supportable solutions in production environments. A relevant Microsoft D365 Developer certification is mandatory.

Responsibilities

• Level 3 Support (Production Support & Escalations)
• Act as the L3 technical escalation point for D365 F&O incidents, problems, and service requests.
• Investigate and resolve complex production issues, including:
• Batch job failures and performance bottlenecks
• Data integrity, posting issues, and intermittent defects
• Integration failures and API/service errors
• Environment-specific issues across Dev/Test/UAT/Prod
• Perform deep root cause analysis using logs, traces, monitoring tools, and debugging techniques.
• Produce high-quality fixes (hotfixes, data fixes, configuration-supporting code changes) ensuring minimal operational impact.
• Work with Microsoft Support and third-party vendors/ISVs as needed for critical defects.
• Development & Engineering (X++, Extensions, Best Practice)
• Design, build, and maintain extension-based solutions following Microsoft best practices (no over-layering).
• Develop and support:
• X++ customisations and extensions
• SSRS reports, Data Entities, and OData/Custom services
• Batch framework enhancements and asynchronous processing
• Conduct code reviews to ensure:
• Performance, security, maintainability, and supportability
• Compliance with coding standards and deployment guardrails
• Optimise solution performance through:
• Query tuning, indexing recommendations, caching considerations
• Efficient batch scheduling and workload separation
• Integrations, Data & Platform Support
• Support and enhance integrations including:
• OData, REST services, DMF (Data Management Framework)
• Azure integrations (e.g., Service Bus, Functions, Logic Apps) where applicable
• Power Platform integration touchpoints (as relevant)
• Diagnose and resolve interface and data movement issues (mapping, transformations, retries, sequencing).
• Support data activities such as:
• Data corrections, reconciliation routines, and entity-based imports/exports
• Ensuring auditability and controlled execution of data fixes
• Release, Environment & DevOps Management
• Support and contribute to release planning and deployment execution across environments (Dev/Test/UAT/Prod).
• Work with Azure DevOps to manage:
• Work items, branching, pull requests, and build/release pipelines
• Maintain and improve CI/CD practices including:
• Automated build validation, code quality checks, release approvals
• Support LCS activities (as applicable):
• Environment health checks, deployable packages, updates/hotfixing
• Security & Licensing
• Manage user access rights
• Security role troubleshooting and duty/privilege analysis
• Support user licencing (assign/remove licences & support licence renewal process)
• Service Management, Documentation & Continuous Improvement
• Operate within ITIL-aligned MSS processes: incident, problem, change, and request fulfilment.
• Produce clear technical documentation:
• RCA reports, technical notes, deployment runbooks, knowledge base articles
• Identify recurring issues and implement problem prevention and automation.
• Support and guide L1 and L2 support teams, ensuring effective issue resolution and knowledge transfer

Requirements

• 5+ years hands-on development experience with D365 Finance & Operations
• Proven experience working in production support / managed services or a similar BAU environment.
• Strong track record of delivering supportable customisations and fixes in live systems.
• Technical Skills (Must Have)
• Strong D365 F&O development skills in:
• X++, extensions, event handlers, Chain of Command
• Debugging techniques and log/trace analysis
• Experience with:
• SSRS, Data Entities, DMF
• Integrations (OData/services; ideally Azure integration patterns)
• Familiarity with:
• LCS, deployable packages, servicing and updates
• Azure DevOps (repos, PRs, pipelines, releases)
• Advantages
• Telecommunication

Benefits

Additional Information

Mobile Wave Solutions is a professional services company specializing in software development as a service. We are committed to delivering scalable, high-quality software solutions that meet the evolving needs of our clients. With a growing team of over 120 engineers and a mission to empower businesses globally, we provide expert teams to deliver robust solutions and drive innovation.

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