Senior Manager, New Client Implementations (hybrid)

  • Wellist LLC
  • Boston, Massachusetts
  • Full Time

At Wellist, we're helping employers deliver the right resources at the right time-so employees can feel supported through every life moment, and HR leaders can maximize the value of their investments.

As our Senior Manager, New Client Implementations, you'll play a mission-critical role in launching new employer programs. From onboarding Fortune 1000 clients to driving tailored activation strategies, you'll be responsible for making every launch a success-ensuring each employer sees measurable ROI and every employee gets the personalized support they need.

We're looking for a sharp, strategic operator who thrives in complexity, communicates with clarity, and loves building systems that scale. If you're excited by the challenge of standing up new client programs in a high-growth environment-this role is for you.

What You'll Own

End-to-End Implementation Leadership

  • Serve as the primary lead for new client deployments-owning everything from kickoff to launch.
  • Build tailored implementation plans that align with each employer's workforce needs, benefits portfolio, and engagement goals.
  • Partner closely with internal stakeholders (Support, Product, Directory, and Activation) to ensure coordinated execution.
  • Track project milestones and dependencies, manage risks, and keep timelines on track with precision.

Client Strategy & Customization

  • Design platform configurations and directory customization plans that reflect each client's brand, culture, and priorities.
  • Lead discovery conversations to understand workforce challenges and translate those into actionable solutions.
  • Collaborate with client stakeholders to develop launch campaigns, email communications, and internal engagement strategies.

Program Activation & Optimization

  • Implement and refine activation tactics-such as segmented outreach, referral prompts, and tailored content-to drive user adoption.
  • Analyze client performance data and user feedback to identify early wins and opportunities for improvement.
  • Serve as a strategic advisor to HR and Benefits leaders-ensuring that each program delivers value and exceeds expectations.

Scalable Systems & Process Excellence

  • Codify implementation workflows, toolkits, and playbooks to support future scale.
  • Define and track key success metrics (e.g., time to launch, adoption rates, satisfaction scores).
  • Contribute to Wellist's implementation framework and play a key role in growing our client success function.

What Success Looks Like

3 months in: You are implementing your first client with confidence and clarity, developed a strong cross-functional rhythm, and introduced new tools or templates that improve team efficiency.

6 months in: You're juggling multiple enterprise deployments, proactively managing timelines, and delighting client stakeholders. You've introduced creative activation strategies that boost employee adoption and early ROI.

12 months in: You've helped shape Wellist's scalable implementation model. Your client launches are smooth, outcomes are strong, and the processes you've built are repeatable across industries and segments.

What You Bring

  • 5+ years of experience in client implementation, consulting, or program management
  • Proven ability to lead complex, cross-functional projects with tight timelines and high stakes
  • Experience navigating enterprise client relationships and driving strategic alignment with senior executives
  • A process mindset-you don't just get things done; you make it easier to get them done again
  • Comfort in high-growth, resource-constrained environments where speed and adaptability matter
  • Strong communication and stakeholder management skills-written, verbal, and interpersonal
  • Experience in HR Tech, workforce transformation, or digital health strongly preferred
  • Master's degree in Business or related field a plus
  • Willingness to travel 20-30% as needed

Why Work Here

  • A meaningful mission - Join a team building the support system we all want for our loved ones.
  • Outstanding benefits - Excellent medical, dental, and life insurance; generous PTO and parental leave.
  • Opportunity to grow - Help define how a Series A digital health startup scales with enterprise clients.
  • Award-winning culture - Recognized by Fast Company, MassTLC, Rock Health, and more.

At this time, Wellist will not sponsor a new applicant for employment authorization, or offer any immigration related support for this position (i.e. H1B, F-1 OPT, F-1 STEM OPT, F-1 CPT, J-1, TN, or another type of work authorization).

Job ID: 487347000
Originally Posted on: 7/30/2025

Want to find more Accounting opportunities?

Check out the 56,244 verified Accounting jobs on iHireAccounting