Senior Customer Success Manager – Enterprise B2B Account Leadership, Client Onboarding & Revenue Growth (North America)

About arenaflex

arenaflex is a globally recognized B2B SaaS product company that has redefined what it means to deliver exceptional customer experiences in the secure business collaboration space. Our commitment to innovation, reliability, and customer-centricity has positioned us as the industry leader, earning us the distinction of being the most highly rated brand in our market category for five consecutive years on G2.

Trusted by over 2,000,000 users across 175,000 companies worldwide, arenaflex is on a mission to accelerate high-stakes business decisions by providing extremely intuitive and robust software solutions. Our platforms help professionals make impactful decisions with greater confidence, reduced stress, higher quality outcomes, and improved efficiency.

arenaflex Virtual Data Room is our flagship cloud-based platform designed for secure confidential document sharing. It serves companies across a wide spectrum of industries for online due diligence, fundraising transactions, corporate reporting, licensing processes, clinical trials, and numerous other critical business objectives where data security and seamless collaboration are paramount.

arenaflex Board is a comprehensive cloud platform with web and mobile applications that empowers board members, CEOs, executives, and corporate secretaries to streamline governance activities and enhance decision-making in fast-paced, secure, and compliant environments.

The Opportunity

Customer success is not just a department at arenaflex—it is the foundation of everything we do. Our Customer Success team has been instrumental in driving exceptional customer satisfaction rates and maintaining our Market Leader status for five consecutive years. This unwavering focus on customer outcomes has translated into industry-leading retention rates and significant expansion revenue.

We are seeking a Senior Customer Success Manager to join our high-performing Customer Success team in the United States. This is a pivotal post-sales role that offers full portfolio ownership, where you will lead client renewals, onboarding programs, and account expansion initiatives for our most valuable B2B clients—including some of the most strategic names in our North American portfolio.

As a Senior Customer Success Manager at arenaflex, you will work cross-functionally to drive product adoption, maximize account potential, and strengthen relationships that span the entire customer lifecycle. You will have direct influence over revenue targets and client retention metrics, making this role both impactful and highly visible within the organization.

This is a unique opportunity to build an exceptional career track record in a multinational, mature yet rapidly evolving SaaS environment. You will own and significantly impact customer relationships while collaborating closely with multiple departments to support our ambitious growth trajectory in the North American region and around the globe.

Please note that we can only hire candidates residing in the following states: Florida, Georgia, Illinois, Tennessee, Texas, Massachusetts, New York, Missouri, New Jersey, Utah, and Virginia.

What You Will Do

• Strategic Client Research and Analysis: Conduct comprehensive research and analysis of new clients to identify their expected value from our products, understand their business objectives, and uncover future potential growth opportunities that align with their strategic roadmap.

• Onboarding Excellence: Lead and conduct kick-off training sessions for new clients, ensuring seamless transitions and setting the foundation for long-term success. You will create customized onboarding experiences that drive rapid time-to-value and establish strong relationships from day one.

• Portfolio Management: Manage a sophisticated portfolio of approximately 200 accounts—including 30% high-touch strategic accounts—with structured follow-ups, clear prioritization frameworks, and proactive engagement across the entire customer journey from onboarding through renewal and beyond.

• Revenue Generation: Execute renewals and expansions proactively, leveraging account usage data, growth potential analysis, and business insights to maximize customer lifetime value while ensuring exceptional customer satisfaction and retention rates.

• Customer Feedback and Improvement: Conduct thorough exit interviews with churned clients to gather actionable insights, identify improvement opportunities, and contribute to continuous enhancement of our customer success methodologies and playbooks.

• Customer Advocacy Development: Drive customer advocacy initiatives by identifying satisfied clients and securing reviews, testimonials, case studies, and references that demonstrate the tangible value our platform delivers and attract new customers to the arenaflex family.

• Process Enhancement: Participate in special projects aimed at improving customer success playbooks, introducing innovative customer success activities, and contributing to the overall evolution of our customer experience methodology.

What You Bring

• Language Proficiency: Full professional proficiency in English (C1 level or equivalent), with exceptional written and verbal communication skills that enable you to build rapport with diverse stakeholders across various professional contexts.

• Experience Requirements: At least 5 years of experience as an Account Manager or Customer Success Manager in a B2B environment, with demonstrated expertise in SaaS platforms being highly preferred.

• Portfolio Management Expertise: Proven track record managing a book of business comprising 50 or more accounts, with strong analytical abilities to plan, organize, and prioritize effectively while maintaining attention to detail across multiple simultaneous priorities.

• Commercial Acumen: Demonstrated experience driving MRR/ARR growth through successful renewals, upsells, and cross-sells, with a data-driven approach to identifying and capitalizing on expansion opportunities.

• Negotiation Skills: Experience leading commercial conversations with clients, including discussions around pricing, discounting, and upselling strategies that balance customer value with revenue objectives.

• Emotional Intelligence: Customer-driven personality with strong empathetic skills and emotional intelligence that enables you to understand client perspectives, navigate challenging situations, and build lasting relationships based on trust and mutual respect.

• Communication Excellence: Excellent communication, interpersonal, and presentation skills that enable you to articulate complex concepts clearly, influence stakeholders at all levels, and deliver compelling training and QBR sessions.

Skills and Competencies for Success

• Strategic Thinking: Ability to develop and execute account strategies that align with both customer business objectives and arenaflex revenue goals, demonstrating a holistic understanding of the customer lifecycle.

• Data-Driven Decision Making: Comfortable working with analytics tools and dashboards to track key metrics, identify trends, and make informed decisions about account health and growth opportunities.

• Project Management: Strong organizational skills with the ability to manage multiple projects, deadlines, and stakeholder expectations simultaneously without compromising quality or attention to detail.

• Technical Aptitude: Ability to quickly learn and become proficient with our product suite, understanding technical functionality sufficiently to guide clients through implementation and usage scenarios.

• Collaboration and Influence: Demonstrated ability to work effectively across departments, influence without authority, and coordinate resources to deliver exceptional customer outcomes.

• Adaptability: Comfortable operating in a fast-paced, dynamic environment where priorities may shift, and ability to remain flexible while maintaining focus on core objectives and deadlines.

Nice to Have

• Familiarity with data rooms, board portals, or secure collaboration tools and the unique requirements of enterprise document management and governance workflows.

• Prior sales experience with a track record of exceeding targets and understanding the commercial aspects of customer relationships.

• Proficiency in Spanish or additional languages that would support engagement with our growing international customer base.

Career Growth and Learning Opportunities

At arenaflex, we are deeply committed to the professional development of every team member. As a Senior Customer Success Manager, you will have access to comprehensive growth resources designed to accelerate your career trajectory:

• Individualized Development Planning: We create customized Individual Development Plans aligned with your career interests, strengths, and aspirations, ensuring you are always working toward meaningful professional milestones.

• Learning and Development Budget: Generous annual budget for learning and development activities, including courses, certifications, conferences, and workshops that enhance your skills and expand your professional knowledge.

• Knowledge Resources: Compensation for professional and self-development books, subscriptions, and industry publications to support continuous learning and stay current with industry trends.

• Thought Leadership Opportunities: arenaflex actively supports team members who wish to share their expertise as speakers at industry conferences or as authors of professional content, providing platforms to build personal brand and industry recognition.

• Internal Mobility: Clear pathways for internal growth and internal mobility opportunities, with many of our senior leaders having advanced their careers within the organization.

Work Environment and Company Culture

arenaflex is a remote-first organization with talented teams distributed globally across multiple continents. We believe that great work can happen anywhere, and we empower our team members to create optimal work environments that support their productivity and well-being.

Our culture is built on five core values that every arenaflex team member lives and breathes:

• Commitment: We are dedicated to delivering exceptional results for our customers and colleagues, with unwavering focus on excellence in everything we do.

• Excellence: We continuously strive for the highest quality in our products, services, and interactions, never settling for "good enough."

• Collaboration: We believe that the best outcomes emerge from diverse perspectives working together toward shared objectives.

• Trust: We build relationships on transparency, integrity, and mutual respect, trusting each other to deliver on our commitments.

• Care: We genuinely care about our customers' success, our colleagues' well-being, and making a positive impact on the world around us.

These principles guide our decisions, shape our interactions, and create an environment where talented professionals can thrive and do their best work.

Compensation, Perks, and Benefits

For Your Best Work

• Remote-first work model with globally distributed teams, offering flexibility and work-life integration

• Home office setup budget to create an optimal workspace in your home environment

• High-end laptop, professional-grade monitor, and any additional IT equipment needed to perform at your best

• Reimbursement of co-working space expenses for those who prefer professional work environments

For Your Well-Being

• Comprehensive 100% employer-paid health insurance for US employees, ensuring you and your family have access to quality healthcare

• 401(k) retirement plan with generous employer match program to support your long-term financial goals

• Mental health activities reimbursement to support your emotional and psychological well-being

• Reimbursement for participation in sports competitions and fitness activities

• 20 business days of annual leave to rest, recharge, and pursue personal interests

• Unlimited health-related time off when you need to prioritize your well-being

For Your Growth

• Individual Development Plan tailored to your unique career aspirations and interests

• Substantial budget for learning and development activities, courses, and certifications

• Professional development book and subscription compensation

• Support for speaking engagements and thought leadership opportunities

• Internal career advancement and mobility opportunities within the organization

Extra Perks

• Team-building offline events that bring our distributed teams together for meaningful connections

• Budget for local gatherings in global locations, supporting community wherever you are

• Generous internal referral program that rewards you for helping us find talented colleagues

Our Assessment Process

We have designed a thorough yet efficient hiring process to ensure we find the best fit for both you and our team:

• Screening Call: Initial conversation with our Talent Acquisition Specialist (30 minutes) to discuss your background, interests, and the role in detail.

• Competency-Based Interview: In-depth interview with our Talent Acquisition Specialist focusing on your experience, skills, and alignment with the role requirements (60 minutes).

• Roleplay Exercise: Practical simulation with the Hiring Manager to assess your approach to real-world customer success scenarios (60 minutes).

• Final Interview: Comprehensive interview with the Hiring Manager to explore your fit with our team and culture (60 minutes).

Join the arenaflex Team

If you are passionate about customer success, thrive in dynamic environments, and want to be part of a team that genuinely transforms how businesses make critical decisions, we would love to hear from you. At arenaflex, you will find more than a job—you will discover a community of dedicated professionals who are committed to excellence, who care deeply about their customers' success, and who are shaping the future of secure business collaboration.

This is your opportunity to make a significant impact, advance your career in a high-visibility role, and join an organization that truly values its people. Take the next step in your professional journey and apply to become part of the arenaflex family today.

arenaflex is an equal opportunity employer

At arenaflex, we value a diverse, inclusive workforce and provide equal employment opportunity for all applicants and employees. All qualified applicants for employment will be considered without regard to an individual's race, color, sex, gender identity, gender expression, religion, age, national origin or ancestry, citizenship, physical disability, medical condition, family care status, marital status, domestic partner status, sexual orientation, genetic information, military or veteran status, or any other basis protected by federal, state, or local laws. If you need assistance or an accommodation due to a disability, you may inform us in the 'Additional information' field when submitting your application.