Customer Success Manager

  • R0153315
  • On Site
  • New York, United States
  • Full time
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Amentum is seeking a Customer Success Manager (CSM) responsible for driving strong, long-term client relationships within an Integrated Facilities Management (IFM) environment.

This role ensures service delivery aligns with contractual commitments, operational KPIs, and evolving customer expectations. Acting as a strategic liaison between client leadership and internal operations teams, the CSM supports governance structures, communication cadence, issue resolution, and continuous improvement initiatives to maximize customer satisfaction and account performance. 

 

Pay range: $70,000 - $110,000

Key Responsibilities 

Client Relationship & Account Management 

  • Serve as the primary point of contact for assigned clients, building trusted relationships with client leadership and key stakeholders. 
  • Understand client business objectives, risk tolerance, and operational priorities to proactively align IFM services. 
  • Drive customer satisfaction, retention, and account growth through value-based engagement. 

Service Delivery Alignment 

  • Ensure IFM service delivery aligns with contractual requirements, SLAs, KPIs, and performance standards. 
  • Monitor performance metrics and service outcomes; identify gaps and collaborate with operations to drive corrective actions. 
  • Translate client expectations into actionable requirements for site and regional operations teams. 

Governance & Communication 

  • Establish and manage governance structures, including operational reviews, monthly/quarterly business reviews (MBRs/QBRs), and executive steering meetings. 
  • Prepare and present performance reports, dashboards, and executive-level summaries. 
  • Facilitate clear, consistent, and transparent communication between the client and internal stakeholders. 

Issue & Risk Management 

  • Lead issue escalation, root cause analysis, and resolution for service delivery challenges or client concerns. 
  • Proactively identify risks related to compliance, performance, cost, or customer satisfaction and coordinate mitigation plans. 
  • Ensure issues are documented, tracked, and closed in alignment with governance and quality processes. 

Continuous Improvement & Value Delivery 

  • Partner with operations, finance, and subject matter experts to identify opportunities for service optimization, cost savings, and innovation. 
  • Support change management for scope changes, new services, or site transitions. 
  • Promote a culture of continuous improvement and customer-centric service delivery. 

 

Qualifications & Experience 

  • Bachelor’s degree in Business, Engineering, Facilities Management, or a related field. 
  • 5+ years of experience in customer success, account management, or client services within facilities management or outsourced services. 
  • Strong understanding of IFM service models, including hard services, soft services, compliance, and governance frameworks. 
  • Experience managing executive-level client relationships. 
  • Proven ability to lead cross-functional collaboration and influence without direct authority. 

 

Skills & Competencies 

  • Excellent communication and presentation skills (written and verbal). 
  • Strong problem-solving and issue resolution capabilities. 
  • Data-driven mindset with experience interpreting KPIs, SLAs, and performance dashboards. 
  • Ability to balance strategic relationship management with operational details. 
  • Comfortable working in regulated or GMP-influenced environments (preferred but not required). 
  • Proficient in MS Office, CMMS, and client reporting tools. 

       

Compensation Details:

$70,000-$105,000

       

The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.

 

Benefits Overview:

Our health and welfare benefits are designed to support you and your priorities. Offerings include:

  • Health, dental, and vision insurance

  • Paid time off and holidays

  • Retirement benefits (including 401(k) matching)

  • Educational reimbursement

  • Parental leave

  • Employee stock purchase plan

  • Tax-saving options

  • Disability and life insurance

  • Pet insurance

 

Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.

       

Original Posting:

02/04/2026 - Until Filled

Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.

       

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed,  marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters.

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If you are an applicant with a disability that requires a reasonable accommodation to complete any part of the application process, or are limited in the ability—or unable to use—the online application system and need an alternative method for applying, you may contact our Reasonable Accommodation Helpline at 1-888-877-3181 or 301-944-3299 for assistance. In order to address your request, the following information is needed:

  • Name
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  • Upon receipt of this information we will respond to you promptly to obtain more information about your request.