Dual Diagnosis Worker

Social Interest Group
London

Job Title: Dual Diagnosis Worker

Location: Based within a residential service across 4 sites in Croydon. (Walking distance from East Croydon train and tram links). Unfortunately this service does not have step free access.

Salary: £32,000

Shift Pattern: 12 month fixed term contract, 37.5 hours per week Monday to Sunday working between 10:00 - 18:00. Hours may vary depending on service needs.

About the Role

We are seeking a Dual Diagnosis Worker who has a specialism in mental health and substance use to join our team in Croydon. You will be based within a residential service which provides specialist mental health, complex needs, and dual diagnosis support to our residents. Within this role, you will provide specialist knowledge and experience to support the wider team and residents to help them to overcome their personal barriers.

You will deliver evidence-based interventions based on holistic assessments to support personalised recovery, integration, and promotion of independent living skills. You will be a specialist in comorbidity, supporting the team to achieve positive outcomes for our residents. Some of your duties will include:

  • Undertake joint holistic assessments, risk assessments, care plans, and interventions to support harm reduction and minimisation.
  • Set up realistic and flexible strengths-based support plans, working closely with colleagues and support teams to support and advise on interventions and approaches to meet individual needs.
  • Help reduce episodes of crisis and assist residents/participants to access services which can offer alternatives to crisis support.
  • Work closely with support staff and clinical teams to support and advise them on interventions and approaches to meet resident/participant comorbid, complex mental health and substance misuse needs.
  • Support multi-disciplinary teams and the wider community teams with support, advice, signposting, and move on care planning.

About You

We are looking for someone who has specialist knowledge on how to support individuals with comorbid and complex needs, with experience in interventions, and in a similar role. Qualifications are desirable if paired with practical experience which is relevant to this role. We look at individual characteristics with the ability to engage with various people who may not want to receive the support, able to build trusting professional relationships, and able to demonstrate resilience, solve challenges, and be proactive. If this sounds like you, take a look at the further criteria:

  • Full knowledge on comorbidity and complex needs, able to share knowledge, skills, and experience with others
  • Previous experience in a similar role, providing interventions and holistic assessments and support for people experiencing mental health challenges
  • Ability to provide specialist support and knowledge in risk assessment and risk management, particularly in relation to harm minimisation, substance misuse and mental health
  • A commitment to promoting recovery, harm reduction, and active involvement in care planning
  • Ability to apply relapse prevention models to promote sustained recovery and harm reduction
  • Alignment with our values of Ambition, Empowerment, Inclusivity, and Transparency

Please refer to the JDPS attached for more details on the vacancy and our requirements/key criteria.

What we Offer

  • 25 days (Full time equivalent) annual leave, increasing with the length of service
  • Employer Pension Contribution
  • Eligibility to register with Blue Light Discount Card
  • Access to discounted tickets for music events, shows, sports and more
  • Reflective Practice regular sessions with a therapist provided by an external provider to support Mental Health and Wellbeing at work
  • Training and Development, including access to courses, upskilling, and progression plans
  • Employee Assistance Programme, including counselling
  • Life Assurance Scheme
  • Cycle-to-work scheme
  • Annual Staff Awards
  • EDI Ambassador programme

About Social Interest Group (SIG)

SIG is a not-for-profit organisation providing thousands of people with good-quality support and care in residential, drop-in centres, community floating support settings, probation settings, and hospitals. We do so across London, Brighton, Bedfordshire, Luton, Kent and Liverpool. Our goal is to transform lives through empowering change.

We believe good care and support improves lives with the vision to create healthier, safer, and more inclusive communities. Join us on our mission to empower independence through trauma-informed solutions and dynamic partnerships that keep people out of prison, out of hospital, and off the streets.
Want to know how we work? Watch our short Theory of Change video to see how we support people towards a brighter future: Theory of Change Further details can be found on our website here: Theory of Change - Social Interest Group - Social Interest Group .

Additional Information

Please note that this job advert may close early due to screening applications on an ongoing basis. We advise applying as soon as possible for your application to be taken into consideration at the early stages.

Please note that as part of our process, we complete an enhanced DBS check, some roles may require further vetting. We encourage applicants from all backgrounds. If you have any questions regarding this, please contact us on the details below.

For Recruitment related enquiries, or if you need support with making your application for example due to learning needs or a disability, please email [email protected] or call our central office on 020 3668 9270to request a call back. Please note that this will take you through to our Central Administration team, who will then communicate your enquiry with us and we will arrange to call you back.

Unfortunately, we are unable to provide sponsorship, please ensure you have full right to work in the UK prior to applying to our positions.

Additional information on our company policies including Gender Pay, Equality and Diversity, Company Benefits and our Candidate Privacy Policy can be found on our website .

Posted 2025-10-18

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