Senior Social Worker - Mental Health

Liquid Personnel is recruiting an experienced Senior Social Worker for its client’s Mental Health Team based in Cardiff. This is a full-time agency role offering £35–£38 per hour (Umbrella) and the opportunity to work within a well-established Community Mental Health Team supporting adults with complex mental health needs.

This is an excellent opportunity for a skilled and motivated Social Worker looking to take the next step in their career. As a Senior Social Worker, you will play a key role in supporting the Team Manager, supervising colleagues, managing complex and high-risk cases, and driving high-quality practice to achieve positive outcomes for service users and carers.

• Competitive pay rate of £35–£38 per hour Umbrella
• Supportive management structure and regular supervision
• Opportunity to work within a well-established Community Mental Health Team
• Meaningful and rewarding work supporting adults with complex mental health needs
• Flexible working arrangements where applicable
• Ongoing professional development opportunities
• Dedicated support from an experienced recruitment consultant

As a Senior Social Worker within the Mental Health Team, you will:

• Manage a complex caseload of adults experiencing significant mental health needs.
• Complete strengths-based assessments, care planning, reviews, and risk assessments.
• Undertake safeguarding investigations and interventions in line with legislation, policy, and statutory guidance.
• Support individuals to maximise their independence, wellbeing, and quality of life.
• Work collaboratively with families, carers, health professionals, and partner agencies to coordinate effective support plans.
• Prepare reports and attend decision-making forums, panels, safeguarding meetings, and professional reviews.
• Provide casework supervision and professional guidance to Social Workers and Social Work Assistants.
• Support newly qualified Social Workers, students, and colleagues managing complex cases.
• Undertake complex and high-risk work, including cases involving risks to liberty, wellbeing, and personal safety.
• Contribute to service development, training initiatives, and continuous practice improvement.
• Assist with duty planning and deputise for the Team Manager when required.
• Monitor outcomes and identify trends relating to unmet or inappropriately met needs.
• Maintain accurate records and effectively utilise corporate systems and databases.

To be successful in this role, you must have:

• Degree in Social Work or equivalent qualification
• Current Social Care Wales registration
• Enhanced DBS clearance
• Full UK driving licence and access to a vehicle
• Eligible to work in the UK
• Significant post-qualified experience within Adult Social Care or Mental Health Services
• Experience managing complex caseloads within a statutory setting
• Experience supervising or supporting colleagues
• Strong understanding of mental health, safeguarding, and social care legislation
• Excellent assessment, risk management, analytical, and report-writing skills

• Approved Mental Health Professional (AMHP) qualification
• Experience working within a Community Mental Health Team
• Experience supporting staff performance and quality improvement initiatives
• Ability to speak Welsh or other community languages

• Free DBS and compliance service
• Twice weekly payroll and ‘Faster Pay’ service, getting you paid more quickly
• Access to exclusive roles that aren’t available from other agencies
• Free access to Liquid’s exclusive social work training and CPD portal
• Your own dedicated consultant with extensive social work knowledge
• Access to a wide selection of social work positions across the UK
• “Refer a Friend” bonus – get £500 for each…