Senior Social Worker - Multi Agency Safeguarding Hub (MASH)

Southwark Council; Wimbledon; On-site; GBP 52,000 - 59,000; Full time

Benefits offered by this job

Welcome payment

Retention payments

Job summary

Southwark Council is recruiting a Senior Social Worker for the Multi-Agency Safeguarding Hub (MASH) to safeguard children and support families across the borough. You will lead high-quality screening, risk assessment, and inter-agency collaboration.

The role requires a recognised social work qualification, ASYE, and current Social Work England registration, with extensive UK MASH experience and strong communication skills.

Qualifications

• Recognised Social Work qualification (or equivalent).
• Current registration with Social Work England.
• ASYE completed.
• Significant UK MASH experience.
• Strong assessment and analytical skills.
• Knowledge of child development, parenting, risk and protective factors.
• Experience with diverse inner-London boroughs.
• Excellent communication and relationship-building skills.
• Collaborative, proactive partnership approach.
• Commitment to improving outcomes and tackling inequality, racism.

Responsibilities

• Manage a balanced caseload and undertake high-quality screening and assessment of referrals.
• Undertake exemplary work and share learning with peers.
• Identify and assess risks, needs and safeguarding concerns for children and families.
• Conduct MASH intelligence checks with partner agencies and make risk-level recommendations.
• Triangulate information from multiple sources to inform decisions.
• Prepare and present cases at Threshold Meetings.
• Provide advice, guidance and information to families and professionals.
• Signpost and refer families to appropriate services and support networks.

Skills

Analytical skills

Assessment skills

Communication skills

Collaborative working

Diversity awareness

Education

Social Work qualification

ASYE completed

Social Work England registration

Job description

Do you see yourself making a meaningful impact on the lives of children and families?

Can you use your experience to identify risk, safeguard children, and support positive outcomes for families?

Does the idea of joining a supportive, multi-agency team that values collaboration and professional development appeal to you?

If so, we have the perfect role for you.

Our Multi-Agency Safeguarding Hub (MASH) is looking for a passionate and dedicated Senior Social Worker to join our exceptional team and help make a difference for children and families across Southwark.

What You'll Be Doing

As a Senior Social Worker within our MASH Team, you will:

• Manage a balanced caseload and undertake high-quality screening and assessment of referrals.
• Undertake exemplary work and demonstrate an interest in sharing in the learning and development of peers
• Identify and assess risks, needs, and safeguarding concerns for children and families.
• Conduct MASH intelligence checks with partner agencies and make recommendations regarding risk levels.
• Analyse and triangulate information from multiple sources to inform decision-making.
• Prepare and present cases at Threshold Meetings.
• Provide advice, guidance, and information to families and professionals.
• Signpost and refer families to appropriate services and support networks.

What We're Looking For

To be successful in this role, you will demonstrate:

• A recognised Social Work qualification (or equivalent).
• Current registration with Social Work England.
• Successful completion of the Assessed and Supported Year in Employment (ASYE).
• Significant years of experience working within a MASH Team in the UK.
• Strong assessment and analytical skills.
• Knowledge of child development, parenting capacity, environmental factors, and risk and protective factors affecting children.
• Experience of working with families in a diverse inner-London borough setting.
• Excellent communication and relationship-building skills.
• A collaborative and proactive approach to partnership working.
• A commitment to improving outcomes for children and tackling inequality, injustice, and racism

For detailed qualifications and requirements, please review the job description and person specification located at the bottom of the advert.

Additional Information

• Qualified Social Worker with a recognised Social Work qualification, current Social Work England registration, and experience working directly with children and families.
• 36 hours per week.
• Permanent contract.
• This post is subject to an Enhanced DBS check, including a Children's Barred List check.
• This post attracts a £2,500 welcome payment (£1,250 on appointment and £1,250 on successful completion of probation); and Retention payments of £3,000 per year for the first two years, increasing to £4,000 per year from year three.

Recruitment Timeline

• Closing date: 11:59pm on 3 November 2026.
• Shortlisting: To be confirmed.
• Interviews: To be confirmed.

We reserve the right to close this vacancy early should a sufficient number of applications be received. Early applications are encouraged.

Diversity and Inclusion

Southwark Council is committed to building a diverse workforce that reflects the communities we serve. Through our Southwark Stands Together initiative, we promote equality, inclusion and opportunity. We particularly welcome applications from Black, Asian and ethnically diverse communities.

Candidates who meet the minimum requirements may be guaranteed an interview if they are:

• Current or former members of the Armed Forces
• Care experienced
• Disabled or living with a long-term health condition

Southwark Council will only contact candidates through official recruitment channels. We will never request passport details, proof of address, National Insurance details, bank details or payment during the application stage. These checks are completed only after an offer of employment has been made. If you are unsure whether a communication is genuine, please contact [e-mail] before sharing personal information .

Salary Range (Full time equivalent) £51,831 - £59,394