About Collinson

Collinson is a global loyalty and benefits company serving some of the world's best-known brands across financial services, travel, and retail. With 30 years' experience operating in over 170 countries, the business helps clients acquire, engage, and retain high-value customers through smarter propositions and richer experiences.

Clients include American Express, British Airways, Mastercard, Visa, Cathay Pacific, Accor Hotels, and Mandarin Oriental. Collinson is privately owned, employs 2,000 people across 20 locations, and operates Priority Pass — the world's leading airport experiences programme.

The Role

Reporting to the Director, Group Business Applications, you will own the technical support and operational health of Microsoft Dynamics 365 and associated business applications across the organisation — keeping them secure, stable, and continuously fit for purpose.

Key Responsibilities

Senior technical support for D365 Finance & Operations: service stability, issue resolution, system availability.

Day-to-day operational management: integrations, access provisioning, permissions, batch jobs, performance monitoring, backups, environment support.

Complex incident troubleshooting: root cause analysis and permanent fixes to reduce recurrence.

Change and release support: gathering technical requirements, coordinating testing, validating deployments, and managing transition into support.

Stakeholder and vendor collaboration: enhancing D365 capabilities and aligning solutions to business needs.

Security and compliance administration: role-based access control, data protection, audit support.

Documentation: maintaining high-quality technical procedures, support guides, and knowledge articles.

Mentoring: guiding and developing the functional analyst.

Proactive improvement: analysing logs, telemetry, and support trends to identify and act on opportunities.

Reporting: producing service updates, technical summaries, and operational reporting.

Requirements

7+ years of hands-on D365 Finance & Operations support experience in a technical or application support capacity.

Strong grasp of D365 architecture: security model, integrations, batch processing, data entities, environment management.

SQL, database analysis, and scripting skills (Python or PowerShell).

Solid understanding of release management, incident management, testing, and change control.

Microsoft Dynamics certification or equivalent ERP accreditation is desirable.

Strong Excel and Power BI skills; able to analyse and present operational data clearly.

Experience in complex, multi-entity or multi-currency environments is an advantage.

Confident communicator across technical teams, business stakeholders, and senior leadership.

Person Specification

Organised and able to juggle multiple priorities in a fast-paced support environment. Commercially aware and outcome-focused. Strong communicator across technical and non-technical audiences. Structured diagnostic approach with sound technical judgement. Can work independently and take full ownership of complex problems. Clear written communication: documentation, support updates, technical correspondence. Resilient through change and shifting priorities. Committed to service quality and continuous improvement.