To work as a senior clinician within the service, providing an advanced level of psychological expertise in assessment advice and treatment of highly complex patients. To provide highly specialist psychological assessments using interview, formal psychometric and other assessment methods as appropriate. To formulate and devise psychological treatment and management plans for referred older clients with a range of problems of severity and complexity, including those with challenging behaviours. To provide highly specialised psychological treatment including group work for older adults, using a range of psychological interventions and approaches appropriate to the service. To provide highly specialist psychological advice, guidance and consultation to other professionals, to assist in the formulation, diagnosis and treatment of clients with very complex needs in highly challenging circumstances. To carry out direct and indirect risk assessments and management plans in line with MDT care planning. To exercise autonomous professional responsibility for the psychological assessment and treatment in accordance with policies of the service. To provide reports and communicate in a skilled and sensitive manner concerning the assessment, formulation and treatment plans of older service users, who may have highly complex needs and exhibit challenging behaviours. To liaise with other health and social care staff, from a range of agencies, in the care provided to service users.