Njilan began her career as an auditor with Deloitte and Touche in 1999. Her work as an Auditor within a Big 4 firm helped set the foundation for the rest of her career.  She climbed the ranks from an Audit trainee to a Senior Audit Manager within a short period. During her tenure at Deloitte, Njilan gained extensive experience in audits for all Industry sectors in The Gambia and became well respected for her knowledge in critical audit and accounting issues affecting the majority of entities not just in the Gambia but also in the West African region having also conducted audits in countries like Mauritania, Ghana, and Mali. Njilan also received extensive training in Deloitte audit systems and methodologies and became the first Gambian to be admitted to the team of “facilitators” responsible for training employees in the Deloitte Africa group. Njilan traveled extensively to South Africa, Ghana, Nigeria, and Kenya to train employees across the Africa region.

In May 2007, Njilan left Deloitte and moved to Trust Bank Limited as the General Manager in charge of Finance, Administration and Human Resources. In July 2016, she was promoted to Deputy Managing Director and an Executive Director on the Bank’s Board.

In addition to her duties as a Bank Executive, Njilan also sits on the boards of Royal Insurance Company Ltd, Bayba Financial Services Ltd, and Home Finance Company Ltd.

Njilan is a Fellow Member of the Association of Accounting Technicians (FMAAT), a Fellow Member of the Association of Chartered and Certified Accountants (FCCA) and holds a Masters Degree (MBA) from Oxford Brookes University, UK.