GateHouse Treatment is part of a nationally recognized group of drug and alcohol addiction treatment centers with facilities in Nashua, New Hampshire. We offer a full range of inpatient and outpatient treatment methods, with customized recovery plans that combine cutting-edge and traditional, evidence-based treatment — because we treat the whole client, not just the disease. 

At GateHouse Treatment, culture isn’t a slogan; it is the foundation of how we deliver care. Our professionals bring unparalleled dedication and compassion, operating as one team unified by a shared purpose: leading men and women out of the horrors of addiction and into lasting recovery. 

We meet clients where they are—physically and emotionally—and we build individualized treatment plans that prioritize understanding over judgment, lasting change over quick fixes, and dignity over stigma. 

Every decision is guided by our commitment to excellence, integrity, and the belief that recovery begins with compassionate, second-to-none care. 

Recognition & Awards (Do Not Edit) 

GateHouse Treatment benefits from the recognition awarded to the broader ICBD corporate ecosystem, including: 

• Inc. 5000 – 25th Fastest-Growing Private Company in America (2025). 

• Financial Times – #5 on “The Americas’ Fastest Growing Companies.” 

• EY Entrepreneur Of The Year® U.S. Overall. 

• South Florida Business Journal’s Top 100 Companies. 

• Florida Trend Magazine’s 500 Most Influential Business Leaders. 

• Inc. Best in Business, Health Services. 

Position Summary

GateHouse Treatment is seeking a Case Manager to join our multidisciplinary treatment team. Reporting to the Clinical Supervisor, the Case Manager works directly with clients throughout their treatment experience, helping them identify needs, access resources, build practical life skills, and prepare for continued recovery after discharge.

This is a hands-on, client-focused role for someone who is organized, compassionate, and comfortable working as part of a collaborative behavioral health team.

What You’ll Do

• Provide case management services based on each client’s individual treatment plan and needs.
• Connect clients with community resources, medical providers, housing assistance, employment services, recovery supports, and other needed services.
• Work closely with clinical, medical, housing, and operations staff to coordinate care.
• Help clients develop realistic aftercare and discharge plans beginning early in treatment.
• Assist clients with identifying recovery goals, addressing barriers, and building skills that support long-term stability.
• Maintain accurate and timely documentation in the electronic health record (EHR).
• Assist with client intake, orientation, and coordination of initial service needs.
• Engage family members or other supports in the treatment and discharge-planning process when appropriate.
• Facilitate assigned psychoeducational, life-skills, or recovery-focused groups.
• Participate in treatment team meetings and provide updates on client needs, progress, and discharge planning.
• Recognize and communicate client concerns or changes that may require additional clinical support.
• Maintain appropriate professional boundaries and protect client confidentiality.

Requirements

Required:

• High school diploma or equivalent.
• Strong communication and interpersonal skills.
• Ability to work professionally and compassionately with individuals receiving substance use treatment.
• Basic computer skills and ability to complete accurate electronic documentation.
• Ability to collaborate effectively with a multidisciplinary team.

Preferred:

• Bachelor’s degree in human services, behavioral health, social services, or a related field.
• Certified Recovery Support Worker (CRSW) credential.
• Previous experience in substance use treatment, behavioral health, case management, recovery services, or a related setting.
• Familiarity with substance use disorders, recovery models, and community-based resources.

Benefits

Benefits & Perks

• Health Insurance through ICHRA (Individual Coverage Health Reimbursement Arrangement)
• Dental Insurance
• Vision Insurance
• 401(k) Retirement Plan
• Paid Time Off (PTO) and company-recognized holidays
• Employee Assistance Program (EAP) – confidential support for mental health, financial, legal, and personal matters
• Pet Insurance – optional coverage for your furry family members
• Company-Paid Life Insurance & AD&D (Accidental Death & Dismemberment)
• Training and Professional Development opportunities
• Supportive, mission-driven work environment focused on recovery and client care

GateHouse Treatment is an Equal Opportunity Employer and is committed to building an inclusive workplace free from discrimination. We make employment decisions based on qualifications, merit, and business needs, and do not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or any other protected characteristic under applicable law. 

GateHouse Treatment participates in the U.S. Department of Homeland Security E-Verify program. 

We are committed to providing reasonable accommodation for qualified individuals with disabilities throughout the hiring process and employment. If you require assistance or accommodation, please let us know. 
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