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Flex Staff
New Hyde Park, New York

Assistant Nurse Manager - Behavioral Health (Detox/Rehab and Inpatient Geriatric Psych Units)

Registered NurseIncludes weekendsFull-Time

Listed compensation

$132k-$156k

The week · per this posting · Monday – Friday

Weekend work is also flagged as required; confirm which days and how often.

Ask the employer about the work setting, call expectations, nights and shift pattern and time off.

Posted 1mo ago

Job Description

FlexStaff is seeking an Assistant Nurse Manager to support the Detox/Rehab and Inpatient Geriatric Psych units at our client, a premier behavioral health center in Lower Manhattan.

Shift: 11am-9pm (4 days a week, Mon-Fri) w/one weekend rotation per month.

Salary Range

Min: 132,000 Max: $156,000 commensurate with experience

They Are Seeking Candidates With

  • Acute-care behavioral health experience
  • Strong working knowledge of New York State regulatory standards, including OMH (Office of Mental Health) and OASAS (Office of Addiction Services and Supports).
  • Proven experience managing unionized staff and administering collective bargaining agreements/contracts.

Job Description

The Assistant Nurse Manager is a Registered Professional Nurse who serves as a clinical leader, overseeing daily unit operations, ensuring quality patient care delivery, and fostering staff excellence. This role functions in collaboration with, or in the absence of, the Clinical Nurse Manager.

Key Responsibilities

  • Patient-Centered Care & Experience: Leads nursing practice grounded in relationship-centered care principles. Oversees and models purposeful hourly rounding, conducts daily patient rounds, addresses concerns, and facilitates service recovery. Champions patient advocacy, communication of experience metrics, and interdisciplinary collaboration for optimal patient outcomes.
  • Quality & Safety Leadership: Designs and maintains a safe, therapeutic, and efficient patient care environment. Leads quality improvement initiatives, participates in RCA processes, and implements corrective actions. Fosters a just culture that encourages error reporting and adherence to best practices and regulatory standards.
  • Operational Management: Provides administrative and clinical oversight for 24/7 patient care delivery, including staffing, throughput, and resource allocation. Manages unit budgets, equipment, and supplies. Ensures compliance with all regulatory mandates (e. g., DOH, Joint Commission).
  • Staff Development & Engagement: Recruits, retains, evaluates, mentors, and coaches nursing staff. Facilitates effective communication, shared decision-making, and staff participation in unit initiatives. Interprets and implements collective bargaining agreements.
  • Professional Practice: Promotes clinical excellence, ethical decision-making, and evidence-based practice. Serves as a professional role model and preceptor, fostering continuous learning and scholarship among staff.

Qualifications

  • Bachelor of Science in Nursing (BSN) required; Master's in Nursing or health-related field preferred.
  • Minimum 3 years of clinical nursing experience; charge nurse or supervisory experience preferred.
  • Must have acute care Behavioral Health experience.
  • Knowledge of New York State regulatory standards (OMH/OASAS).
  • Experience in managing unionized staff.

*Additional Salary Detail

The salary range and/or hourly rate listed is a good faith determination of potential base compensation that may be offered to a successful applicant for this position at the time of this job advertisement and may be modified in the future. When determining a team member’s base salary and/or rate, several factors may be considered as applicable (e. g., location, specialty, service line, years of relevant experience, education, credentials, negotiated contracts, budget and internal equity).

Qualifications

Education
Bachelor degree
Experience
2+ years of experience

Key Skills

Nursing leadershipClinical operationsRegulatory complianceOMH standardsOASAS standardsStaff managementGeriatric psychiatryDetox and rehab

Behavioral Health — Registered Nurse Career Context

Of the 40 active Nursing Leadership listings this role was benchmarked against, 33% are remote, 55% have no call, 80% require no weekends.

The cost-of-living index for New York is 107.9 (US average = 100; BEA Regional Price Parities (2024)), so the posted ~$144k midpoint carries the purchasing power of roughly $133k in an average-cost state. 64.6% of New York clinicians report burnout symptoms in WeekdayDoc's Burnout Index (2026-01 data).

Top Registered Nurse Jobs

27 matches · ranked by pay

Salary Distribution27 jobs · 21 employers

9
<$105k
5
$105k-125k
9
$125k-145k
2
$145k-165k
2
$165k+

Annual compensation range

Benefits & Perks19 jobs

401k / retirement match
74%
Loan repayment
21%
CME allowance
21%
PSLF eligible
21%
Sign-on bonus
11%

Share of similar jobs offering each benefit

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NewYork-Presbyterian Hospital · Flushing, New York

$115k-$166k
#2

Director of Nursing DON - Acute Inpatient Mental Health 264

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$144k-$165k
#3

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#4

Asst. Director of Nursing - Ambulatory Care - Newkirk Avenue

$136,708 - $150,000
+ 25 more · ranked by pay

Work-life snapshot

median 1.5this job 1.5
Better work-life than 30% of Nursing Leadership listings

Listing-based score, 0–10, across 1,187 comparable listings. Shaded area = the share scoring below this one.

  • Includes weekends

Living in New Hyde Park

Typical 3-bedroom home value
$956k≈ 7.2× annual pay
Typical market rent
$3,975/mo≈ 36% of gross pay
Residents’ average commute
38 min
State income tax
Up to 10.9%
Sources & methodology

Sources: Zillow home values (Aug 2026), Zillow market rents (Aug 2026), U.S. Census ACS 2024 five-year.

Ratios use this listing’s gross annual pay. Not a cost-of-living guarantee.