Social Worker - Multi Agency Safeguarding Hub; MASH

Posted 21st Oct, 2026

Southwark

Full-time – 36 hours per week

Office based

3rd Nov, 2026

This role attracts a welcome payment of £2,500 (paid as £1,250 on appointment and £1,250 on successful completion of probation), plus retention payments of £3,000 per year for the first two years, increasing to £4,000 per year from year three.

Do you see yourself making a meaningful impact on the lives of children and families? Southwark's Multi-Agency Safeguarding Hub (MASH) is looking for four passionate and dedicated Social Workers to join an exceptional team and help make a difference for children and families across Southwark.

As a Social Worker within the MASH Team, you will manage a balanced caseload, undertaking high-quality screening and assessment of referrals whilst working collaboratively within a supportive, multi-agency environment that values collaboration and professional development. Based at Queens Road, Peckham, this is a fantastic opportunity to use your experience to identify risk, safeguard children, and support positive outcomes for families.

Key responsibilities include:

• Identifying and assessing risks, needs, and safeguarding concerns for children and families
• Conducting MASH intelligence checks with partner agencies and making recommendations regarding risk levels
• Analysing and triangulating information from multiple sources to inform decision-making
• Preparing and presenting cases at Threshold Meetings
• Signposting and referring families to appropriate services and support networks

The successful candidate will be an experienced Social Worker with a strong commitment to improving outcomes for children and tackling inequality, injustice, and racism. They will bring proven assessment and analytical skills, and a collaborative, proactive approach to partnership working. The ideal candidate will:

• Hold a recognised Social Work qualification (or equivalent)
• Be currently registered with Social Work England
• Have successfully completed the Assessed and Supported Year in Employment (ASYE)
• Have experience working within a MASH Team in the UK
• Demonstrate strong assessment and analytical skills
• Have knowledge of child development, parenting capacity, environmental factors, and risk and protective factors affecting children
• Have experience of working with families in a diverse inner-London borough setting
• Demonstrate excellent communication and relationship-building skills
• Show a commitment to improving outcomes for children and tackling inequality, injustice, and racism

Southwark Council is committed to building a diverse workforce that reflects the communities it serves. Through the Southwark Stands Together initiative, the council promotes equality, inclusion, and opportunity, and particularly welcomes applications from Black, Asian, and ethnically diverse communities. A Guaranteed Interview Scheme is available for current or former members of the Armed Forces, care-experienced candidates, and those who are disabled or living with a long-term health condition, provided the minimum requirements are met.

This post is subject to an Enhanced DBS check, including a Children's Barred List check.

We are thelargestlocal authoritysocial landlord in London, managing 55,000 homes lived in by 40% of Southwark’s residents. We are home to over 18,300 businesses including iconic London venues and social enterprises and we have a young, diverse and growing population.

At Southwark we are committed to making our borough just and fair and are taking positive action to tackle inequalities. Our residents and communities are our greatest asset and the passion we have for Southwark is shared by millions of Londoners who enjoy our…