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Posted May 4, 2026

Senior Customer Success Manager – Enterprise Client Partnership, Growth & Retention (Americas Region)

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About arenaflex

Welcome to arenaflex – where innovation meets proactive cybersecurity. Founded in October 2022, we have rapidly emerged as a transformative force in the cybertech ecosystem, dedicated to revolutionizing how organizations approach threat management. Our mission is simple yet profound: to develop cutting-edge open-source solutions that anticipate cyber threats, identify security gaps, and strengthen organizational security postures before problems arise.

Today, arenaflex solutions are trusted by over 6,000 public and private organizations worldwide. We are proud to support governments, Fortune 500 enterprises, mid-market companies, and emerging businesses in their quest for robust cybersecurity infrastructure. Our flagship platforms, including OpenCTI and OpenBAS, have become industry standards in threat intelligence and security automation, empowering defense teams worldwide to stay ahead of evolving threats.

At arenaflex, we believe that cybersecurity is not just about defense – it's about empowerment. We are building a global community of defenders, united by the shared belief that security should be open, collaborative, and accessible to all. Our remote-first, globally distributed team embodies this philosophy every day, working across time zones to deliver excellence to our customers wherever they are.

The Role: Senior Customer Success Manager

Are you passionate about customer outcomes and ready to make a meaningful impact in the cybersecurity industry? We are seeking a Senior Customer Success Manager to join our dynamic Customer Success team and help us continue delivering exceptional value to our customers across the Americas region.

Based in the United States and working fully remotely, you will play a pivotal role in ensuring the success, satisfaction, and ultimate loyalty of our customers throughout their entire journey with arenaflex. This is not just a support role – you will be a trusted advisor, strategic partner, and champion for our customers' objectives. You will collaborate closely with our support, engineering, product, and sales teams to align technical delivery with business goals, creating seamless experiences that drive long-term partnerships.

This position offers the opportunity to work at the intersection of technology, customer advocacy, and business growth. You will be responsible for managing complex customer relationships, identifying expansion opportunities, and contributing to the continuous improvement of our customer success programs. If you thrive in a fast-paced, mission-driven environment and enjoy building lasting relationships, this role is for you.

Your Key Responsibilities

As a Senior Customer Success Manager at arenaflex, you will own and manage the complete customer lifecycle, ensuring every interaction adds value and strengthens the relationship. Your responsibilities will include:

Who You'll Work With

At arenaflex, collaboration is at the heart of everything we do. As our Senior Customer Success Manager, you will be integral to our cross-functional ecosystem:

Profile We're Looking For

We are seeking an experienced professional who combines customer-centricity with technical acumen. The ideal candidate will bring:

Skills & Competencies for Success

Beyond experience and qualifications, we look for individuals who embody certain core competencies that drive success in this role:

Career Growth & Learning Opportunities

At arenaflex, your career development is one of our top priorities. We are committed to helping you grow both professionally and personally:

Work Environment & Culture

arenaflex is more than a workplace – it's a community of passionate professionals united by a common mission. Here's what makes our culture unique:

Our CORE Values

Our culture is grounded in four core values that guide every decision and interaction:

Compensation & Benefits

We believe in rewarding our team members fairly and sharing our success together. Here's what we offer:

Equal Employment Opportunity

We enable cybersecurity through inclusion – from code to culture.

At arenaflex, we are proud to be an equal opportunity employer. We believe that diversity makes our products stronger, our team more resilient, and our impact more meaningful. We welcome talent of every background, identity, and lived experience.

We are committed to providing equal employment opportunities regardless of race, color, religion, gender, gender identity or expression, sexual orientation, national origin, age, disability, veteran status, or any other protected characteristic. What matters here is what you bring to the table – your skills, your passion, your perspective, and your drive to make a difference.

Ready to Join Us?

If you're ready to make an impact, grow your career, and be part of something meaningful, we invite you to apply today. Join our team and help us build the future of cybersecurity – together. At arenaflex, you'll find more than a job; you'll find a community of like-minded professionals who share your passion for making the digital world safer.

We can't wait to meet you and learn how you will contribute to our mission of empowering defenders worldwide.

Interested in this role?Apply on iHire