JOB DETAILS
Substance Use Disorder Case Manager
CompanyGreater Nashua Mental Health
LocationNashua
Work ModeOn Site
PostedJanuary 21, 2026

About The Company
Greater Nashua Mental Health provides comprehensive evidence-based services and supports for mental health and substance use disorders to individuals and families throughout the entire life cycle. As the state-designated Community Mental Health serving the greater Nashua region and all of Southern Hillsborough County, we serve everyone who walks through our doors, and no one is ever turned away due to financial limitations.
Our Mission:
Empowering all people to thrive through excellent care, community engagement, and a commitment to innovation and growth.
Our Vision:
A community in which all individuals and families have access to the transformational, integrated mental health services they need to lead hopeful, fulfilling lives.
About the Role
Description
Greater Nashua Mental Health is looking for a Substance Use Disorder (SUD) Case Manager to join our team! The SUD case manager provides outreach, promotes engagement, and delivers high quality case management and services to a caseload of adults and adolescents in Substance Use Disorder treatment at GNMH. The SUD case manager also ensures effective coordination of care with other members of the multidisciplinary Substance Use Disorder Services team as well as other providers within GNMH. Position is largely office-based but does require some outreach within the community.
- Promotes successful treatment initiation and engagement through outreach and collaboration with referral sources for “warm handoffs” and through targeted and community-based outreach.
- Works collaboratively with clients and clinical team to assess potential barriers to substance use disorder treatment, including Medication Assisted Treatment, and other service needs and develop case management plans that maximize client choice and control.
- Links and effectively coordinates care with resources outside the mental health center, including health services, educational or vocational programming, social services, etc.
- Coordinates referrals, entries, and discharges to higher levels to care to support continued engagement in services and progress toward Treatment Plan Goals.
- Co-facilitates group treatment using evidence-based curricula for individuals with substance use and co-occurring mental health disorders.
- Provide proactive, community-based outreach to prospective clients, meeting individuals where they are to build trust and engagement in settings such as homeless shelters, encampments, soup kitchens, and other community locations.
- Works as part of a multidisciplinary team and proactively communicates and collaborates with colleagues, collateral contacts, supervisors, etc. regarding client care.
- Coordinates drug testing for clients, including unsupervised collection of samples, and communicates results with clients and team members. Consults with the laboratory to interpret results as necessary.
- Supports clinical services by providing program orientation, harm reduction education, etc. to clients as directed.
- Completes documentation requirements in keeping with GNMH, BDAS, and DHHS requirements.
- Ensures service delivery requirements are met.
Requirements
- Bachelor's degree in Psychology, Social Work, Human Services or similar field
- Certified Recovery Support Worker preferred
- Experience working with people with substance uses disorders preferred.
- Familiarity with community resources.
- Ability to work with diverse populations, including adolescents.
- Excellent communications and interpersonal skills
- Excellent organizational and time management skills
- Knowledge of Microsoft Office products (Email, Word, EXCEL).
- Strong collaborating skills, and an ability to work effectively both independently and as part of a team.
- Comfortable in a fast-paced environment with frequent deadlines; high energy, self-motivated and proactive.
- Ability to multitask and be flexible with regard to workload and assignments.
Greater Nashua Mental Health is an Equal Opportunity Employer
Key Skills
Substance Use DisorderCase ManagementOutreachCollaborationCommunicationInterpersonal SkillsOrganizational SkillsTime ManagementCommunity ResourcesTeamworkFlexibilityMultitaskingHarm ReductionDocumentationDrug TestingEvidence-Based Treatment
Categories
HealthcareSocial Services
Job Information
📋Core Responsibilities
The Substance Use Disorder Case Manager provides outreach and high-quality case management services to adults and adolescents in treatment. They coordinate care with other providers and facilitate group treatment while ensuring effective communication within the multidisciplinary team.
📋Job Type
full time
📊Experience Level
0-2
💼Company Size
207
📊Visa Sponsorship
No
💼Language
English
🏢Working Hours
40 hours
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