Banner image for Mountainside

Company Summary

Company Overviews

At Mountainside Treatment Center, a nationally acclaimed drug addiction treatment and alcohol rehabilitation center, we believe that you can make a difference no matter the position you hold. Each employee plays an important role in caring for clients, giving them a unique and positive experience during their stay.

Founded in 1998, Mountainside is a leading provider of chemical dependency treatment services.

We have locations in Connecticut (Canaan and Wilton), New York (Manhattan, Chappaqua and Huntington) and New Jersey (Ramsey). We also serve Massachusetts virtually.

More about our company can be found at http://mtsi.de/treatment. You may also call 888-510-8852 (toll-free).

=====

CONNECT WITH MOUNTAINSIDE:

Facebook: http://www.facebook.com/mountainsidetreatment
Instagram: http://www.instagram.com/mountainsidect
Twitter: http://www.twitter.com/mountainside

Rating Reviews

Rating is calculated based on 8 reviews and is evolving.

Featured Reviews

Therapist
4.0
31 August 2026
Meaningful Work in Behavioral Health
Pros: The sense of purpose at Mountainside is palpable. I really appreciate the dedication of my colleagues and the supportive, team-oriented atmosphere in the addiction treatment field. It's fulfilling to see clients make progress. The work flexibility allows for managing my caseload effectively.
Cons: Sometimes, communication between departments can be a bit slow, leading to minor delays in client care processes. During peak times, the workload can feel intense, but it's manageable with the team's cooperation. Streamlining some approval steps could help.
Advice to Management: Continue fostering the strong team culture and focus on client outcomes. Consider implementing more frequent cross-departmental syncs to ensure smooth operations. Recognizing staff efforts, especially during busy periods, would be greatly appreciated.
Show more
Marketing Specialist
4.0
1 September 2026
Solid place to grow, with minor areas for improvement
Pros: The team environment here is really supportive, and I feel genuinely valued. We have a good hybrid work arrangement that balances in-office collaboration with personal flexibility. There's a sense of stability, which is important in the consulting sector. Learning new skills is encouraged.
Cons: While career growth is available, sometimes the paths aren't as clearly defined as they could be. Management communication can occasionally be a bit slow to filter down, leading to minor confusion on project priorities. Some processes could be streamlined for better efficiency.
Advice to Management: Continue fostering open communication and provide clearer roadmaps for employee development. Streamlining some internal processes would enhance overall productivity and employee satisfaction.
Show more
Senior Analyst
3.9
18 September 2026
Rewarding Role, Some Administrative Hurdles
Pros: The best part of my role was definitely the team. Everyone is incredibly dedicated to the mission of providing quality healthcare services. I felt supported by my colleagues and had many chances to expand my skillset in data analysis and reporting. The community impact is also a major positive, knowing your work contributes to local well-being.
Cons: While work-life balance was generally manageable, there were periods of intense workload, particularly around reporting deadlines. Communication between departments could sometimes be a bit slow, leading to minor delays. Improving inter-departmental collaboration and streamlining some of the administrative reporting tasks would make a big difference.
Advice to Management: Consider investing in better cross-departmental communication tools and regular process review sessions to identify and implement efficiency improvements.
Show more
See all reviews >

List of open positions

See all jobs >

Common Questions About Mountainside

What's the typical salary range for a nurse at Mountainside Hospital, and do they ensure pay equity across different departments?
What's the dress code like for administrative roles at Mountainside?
What's the day-to-day like for a Category Manager at Mountainside?
What's the hiring process like for a healthcare role at Mountainside?
What is the hiring process like for a nurse at Mountainside Hospital?
What's it like working remotely for Mountainside, especially for entry-level roles in the healthcare industry?
What kind of benefits does Mountainside offer to its employees, especially for roles in mental health treatment?
What's it like to be a CEO at a growing healthcare technology company like Mountainside, and what are the biggest challenges you face in the industry?
See all questions >

See More Companies