Our Outpatient Mental Health Clinic is now accepting new community applications. However, we are not accepting Medicare Advantage at this time.
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Join Our Team

At Cornerstone, we are Bearers of Hope, a dedicated team of behavioral health professionals, clinicians, case managers, and advocates walking beside individuals and families living with serious mental illness, behavioral health challenges, and co-occurring substance use disorders. Every role is an opportunity to make a real difference.

 

 

Over 20 of Cornerstone's staff posing for a group photo with a text overlay that says Cornerstone Careers.

Join Our Team of More Than 435 Dedicated Professionals

EMPLOYMENT OPPORTUNITIES

Cornerstone is always seeking qualified candidates to join our team and support our mission to empower people living with mental health and substance use disorders to thrive in their community through collaboration, treatment, education and advocacy.

Our company offers a dynamic and collegial work environment, ongoing opportunities for professional growth, and generous benefits, including 3 weeks paid vacation, up to 500 hours of sick leave, 9 paid holidays and 2 floating holidays (bonus days). Eligible for health care (single and family) the 1st of the month following 30 days of employment. Must work a minimum of 20 hours per week to be eligible for benefits and leave accruals. 403(b) retirement plan with employer match available.

 

Apply Today!

 

 

 

Prince Frederick, MD

The Residential Rehabilitation Counselor provides direct support to adults living with mental health challenges, helping them build the skills needed to live as independently as possible in the community. This role delivers life skills training, behavior management, crisis intervention, and person-centered rehabilitation services while developing individualized treatment plans and conducting ongoing assessments. Counselors meet with clients in their homes and other community settings, connecting them to health and social service resources that promote recovery and stability. This position plays an important role in fostering independence, strengthening community integration, and supporting each client’s recovery journey. The schedule for this position is Sunday through Thursday, 1:00 p.m. to 9:00 p.m.

Apply Today!

Rockville, MD

Work with clients to strengthen independence and community integration: conduct assessments, develop recovery-oriented plans, coach life and vocational skills, and collaborate with clinical and community systems to support client goals.

Apply Today!

Prince Frederick, MD

The Youth Psychiatric Rehabilitation Counselor provides community-based psychiatric rehabilitation services to children and adolescents in their homes, schools, and other community settings. This role partners with youth, families, and caregivers to build skills, strengthen family functioning, and support individualized treatment goals. Counselors advocate for clients by participating in IEP, 504, school, and treatment team meetings while connecting families to educational, vocational, recreational, and community resources. This position serves clients throughout Calvert, Charles, and St. Mary’s counties, requiring regular travel to support youth where they live, learn, and grow.

Apply Today!

Montgomery County, MD

The Supported Employment Specialist helps adults with mental health or substance use challenges find and maintain meaningful, competitive employment. This role provides one-on-one support, including resume building, connecting clients with employers, and on-site job coaching. By guiding clients toward sustainable careers, the specialist promotes long-term health, independence, and personal growth, supporting recovery and fostering hope.

Apply Today!

Leonardtown, MD

The Supported Employment Specialist helps adults with mental health or substance use challenges find and maintain meaningful, competitive employment. This role provides one-on-one support, including resume building, connecting clients with employers, and on-site job coaching. By guiding clients toward sustainable careers, the specialist promotes long-term health, independence, and personal growth, supporting recovery and fostering hope.

Apply Today!

Prince Frederick, MD

The Supported Employment Specialist helps adults with mental health or substance use challenges find and maintain meaningful, competitive employment. This role provides one-on-one support, including resume building, connecting clients with employers, and on-site job coaching. By guiding clients toward sustainable careers, the specialist promotes long-term health, independence, and personal growth, supporting recovery and fostering hope.

Apply Today!

Leonardtown, MD

The Case Manager provides high-quality mental health case management services to individuals living with mental health and co-occurring substance use disorders. This role develops person-centered treatment plans, coordinates referrals, and supports clients in accessing community resources that promote recovery and stability. Case Managers advocate for client needs, provide crisis intervention as needed, and support recovery-oriented goals. The position includes maintaining accurate and timely documentation while working as part of a multidisciplinary team.

Apply Today!

Bethesda, MD

The Program Supervisor provides leadership, supervision, and ongoing development of our Residential Rehabilitation Program, ensuring high-quality, recovery-oriented services for individuals living with mental health challenges. This role oversees daily program operations, including client safety, staff supervision, and compliance with administrative, fiscal, and licensing requirements. The Program Supervisor coaches staff in the use of evidence-based psychological interventions, such as Cognitive Behavioral Therapy (CBT) and Dialectical Behavior Therapy (DBT), to support effective client care. This position plays a key role in maintaining program quality, developing staff, and ensuring positive outcomes for clients on their recovery journey.

Apply Today!

Prince Frederick, MD

The Program Supervisor provides leadership and oversight for our In-Home Intervention Program, ensuring the delivery of high-quality, community-based behavioral health services for children, adolescents, and their families. This role supervises staff, reviews referrals, assigns cases, and oversees treatment planning to ensure services meet state regulations and program standards. The Program Supervisor monitors program quality, supports staff development through regular supervision and performance evaluations, and promotes positive outcomes for the youth and families served. This position also oversees service delivery across Calvert, Charles, and St. Mary’s counties, requiring regular travel throughout Southern Maryland.

Apply Today!

Charlotte Hall, MD

The Registered Nurse on the Assertive Community Treatment team provides integrated nursing care to individuals with complex behavioral and physical health needs. Working as part of a multidisciplinary team, this role coordinates somatic and behavioral health services through collaboration with internal and external providers. Responsibilities include administering medications, monitoring vitals, and delivering assertive case management with a focus on assessment, coordination, and advocacy. The Nurse supports clients in the community setting, helping promote stability, wellness, and recovery. Local travel is required to meet clients where they are.

Apply Today!

Charlotte Hall, MD

The Program Manager provides clinical leadership and overall oversight of our Assertive Community Treatment (ACT) team, delivering evidence-based, recovery-oriented services to individuals living with severe mental illness whose needs have not been met through traditional treatment models. This role supervises a multidisciplinary team, ensures fidelity to the ACT model, and oversees outreach, therapy, case management, substance use counseling, and community-based support services. The Program Manager also provides direct clinical care, including assessments and individual, family, and group therapy, while monitoring program performance, documentation, compliance, and budgetary requirements. This position plays a critical role in developing staff, maintaining high-quality care, and helping clients achieve greater stability, independence, and recovery in the community.

Apply Today!

Curious about what it’s like to work at Cornerstone? Meet a few of the passionate professionals who are bearing hope, and making bold impact, every day.

Administrative Manager, Alexander Knoll

“I love working at Cornerstone because we care for the whole person. Mental health is health, and supporting someone’s well being means tending to both mind and body. Our team provides thoughtful therapy, medication support, and integrated health services that help people navigate a complex system with confidence. But what inspires me most is that clinical care is only part of what we offer. Someone might receive a vital medication in the morning and find emotional healing through painting that same afternoon. This blend of clinical excellence and creative programming reflects our vision of community based, person centered care, and it is a privilege to be part of it.”

– Alexander Knoll
Administrative Manager

 

 

 

Chief Administrative and Chief Compliance Officer, Marisa Gillum.

“I am proud to work at Cornerstone because we create spaces where people feel seen beyond their struggles and embraced for their full humanity. Our clients taught us that unmasking hope means choosing connection and courage even on the hardest days. Honoring their lives reminds me why this work matters and why we must keep building places where healing can truly begin.”

– Marisa Gillum
Chief Administrative & Chief Compliance Officer

 

 

Chief Medical Officer, Joy Chang, MD

“I am proud to be part of this team because Cornerstone is a place where we truly embody what it means to be bearers of hope. Here, a person can receive clinical care, participate in therapeutic programming, and find stability through residential support, all within one connected continuum. Working in an environment where every service works together to support the whole person strengthens my commitment to our mission and reminds me why this work matters every day.”

– Joy Chang, MD
Chief Medical Officer

 

 

Clinic Intake Coordinator, Rodrigo Espinosa Woolcott

“Working at Cornerstone gives me a true sense of purpose. Seeing clients grow and thrive reminds me every day that we’re making a real difference in people’s lives.”

– Rodrigo Espinosa Woolcott
Clinic Intake Coordinator

 

 

Transition-Aged Youth Program Manager, Molly Brado

“What I love most about working at Cornerstone is witnessing people take their next step, whatever that step looks like for them. Seeing someone move closer to a life of their choosing is a powerful moment, and being part of that journey is what brings me the greatest joy in my work here.”

– Molly Brado
Transition-Aged Youth Program Manager

 

 

Director of Quality Assurance, Ernest Kumi

“My favorite part of working at Cornerstone is seeing how truly passionate staff are; from going above and beyond with their clients to extending themselves to help a coworker.”

– Ernest Kumi
Director of Quality Assurance

 

Collage of photos of Cornerstone staff working in groups or one on one with clients, posing for group photos. and active in the community.

Cornerstone is an Equal Opportunity Employer.