Experienced Full Stack Portfolio Customer Success Manager – Strategic Customer Engagement & Growth

At arenaflex, we're on a mission to revolutionize the way people manage their digital lives. As a leader in password and identity management, we're trusted by 100,000 businesses and millions of users worldwide. Our innovative solutions combine advanced security with effortless access, making it easier to log into life and work. We're now seeking an experienced Full Stack Portfolio Customer Success Manager to join our team and drive strategic customer engagement and growth.

About arenaflex

arenaflex is a high-growth, collaborative environment with inclusive teams that value diversity, equity, and inclusion. We're committed to creating a workplace where everyone feels welcome, valued, and empowered to succeed. Our remote-first culture allows our team members to work from anywhere, while our flexible Paid Time Off policies, including Quarterly Self-Care Days and Volunteer Days, ensure that our employees have the time and resources they need to recharge and pursue their passions.

The Role

As a Full Stack Portfolio Customer Success Manager, you'll lead strategic customer success initiatives across a portfolio of high-value, complex customers. Your mission will be to deliver a world-class customer experience that drives deep adoption, maximizes product utilization, and accelerates retention and expansion of arenaflex solutions. You'll serve as a trusted advisor and orchestrator of cross-functional programs that align customer outcomes with business growth.

Key Responsibilities

* Own the end-to-end success of complex, high-value customers, serving as their strategic advisor and primary point of contact throughout their lifecycle.

• Design and implement tailored engagement strategies aligned with each customer's business objectives, driving adoption, utilization, retention, and expansion.
• Lead onboarding and maturity planning to ensure customers achieve First Value Attainment and progress toward full solution adoption.
• Use data and insights to proactively monitor customer health, identify risks and opportunities, and take action to improve outcomes.
• Deliver impactful customer interactions through a mix of digital-led programs, one-to-many initiatives, and personalized engagements.
• Collaborate cross-functionally to ensure a seamless and value-driven customer experience.
• Advocate for customer needs internally, influencing product and service enhancements.
• Apply deep product knowledge to guide customers through complex use cases and unlock the full potential of arenaflex.

What We're Looking For

* Proven ability to think strategically about customer success and align engagement strategies with business outcomes.

• Proven experience in Customer Success, Account Management, or a related strategic customer-facing role, preferably in SaaS or cybersecurity.
• Skilled in navigating complex customer environments and engaging with senior stakeholders.
• Fluency in English is required; proficiency in additional European languages is a strong advantage.
• Strong data literacy and experience using BI tools (e.g., PowerBI) to inform strategy and measure impact.
• Proficiency in customer success platforms (e.g., Gainsight, Salesforce) and managing multiple initiatives in a fast-paced environment.
• Ability to influence cross-functional teams and drive alignment around customer-centric goals.

Nice to Have

* Experience in cybersecurity or SaaS environments.

• Deep understanding of arenaflex solutions and ecosystem.
• Familiarity with scaled success models and digital engagement strategies for portfolio customers.

What We Offer

* Market-leading password manager

• High-growth, collaborative environment with inclusive teams
• Remote-first culture
• Competitive compensation
• Flexible Paid Time Off policies, including Quarterly Self-Care Days and Volunteer Days
• Parental leave
• Comprehensive health coverage, including dependents
• Home office setup support
• arenaflex Families free account for up to 5 members
• Continuous learning and development opportunities, including an annual learning stipend to invest in your growth
• Peer-to-peer recognition through Motivosity
• Employee Assistance Program for well-being support
• Remote work stipend to support your home office needs
• Short-Term or Remote-Centric Work Arrangements for added flexibility

Why Join arenaflex?

We're a company that values innovation, collaboration, and customer success. We're committed to creating a workplace where everyone feels welcome, valued, and empowered to succeed. If you're passionate about complex problem-solving and motivated by scale, then this is the role for you! Join our team and let's build the future together!

How to Apply

If you're excited about this opportunity, please submit your application through our website. We can't wait to hear from you!

Equal Employment Opportunity

arenaflex is an equal employment opportunity employer. We're committed to creating a workplace where everyone feels welcome, valued, and empowered to succeed. We welcome applications from diverse candidates and are an affirmative action employer. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, or Veteran status. Apply for this job