Customer Success Manager

Overall Accountability As a Customer Success Manager (CSM) at Guardsix, you are responsible for retention, adoption, and expansion within Recognized Revenue through a focused set of high-value resellers and MSSPs and their End Customers. You will ensure that partners and their customers realize measurable value from Guardsix solutions by driving solution adoption, service maturity, and long-term engagement. You will work closely with partners in a post-sales, partner-centric model, supporting them in delivering and scaling their cybersecurity services based on Guardsix offerings. You will position Guardsix as a strategic cybersecurity partner by enabling partners to successfully operate, expand, and optimize their service offerings and by aligning solutions to evolving customer needs. Key Responsibilities Drive retention and account based growth within your assigned portfolio of partners and their customers Ensure successful onboarding and continuous enablement of partners and their customers Execute the renewal and up-sell opportunity lifecycle Monitor partner and customer health, identify risks early, and proactively drive mitigation actions Conduct regular business reviews (QBRs) with partners to review performance, KPIs, and growth opportunities Act as a trusted advisor to partners and key stakeholders (including CISOs, IT leaders, and executives) Provide ongoing enablement including best practices, use cases, and operational guidance Collaborate with partners to improve service delivery quality and customer satisfaction Maintain accurate data on partner health, adoption metrics, and account status Provide structured feedback from partners and customers to internal teams (product, program, sales) Competencies & Requirements Strong experience in Customer Success, Account Management, or Partner Success in a B2B environment Experience working with partner ecosystems (MSSPs, MSPs, resellers) Strong focus on retention, adoption, and customer lifetime value Ability to identify growth opportunities within existing accounts Excellent relationship-building and stakeholder management skills Structured and data-driven approach to managing customer and partner success Solid understanding of cybersecurity and/or software solutions Ability to engage both technical and business stakeholders Strong problem-solving mindset with proactive risk management Willingness to travel across the region and occasionally within Europe Full professional proficiency in spoken and written GermanProfessional & Technical Skills Strong proficiency with CRM and Customer Success tools (e.g., Salesforce, Gainsight) Experience tracking adoption metrics, health scores, and success KPIs Ability to translate technical capabilities into business value for partners and customers Experience supporting service delivery and operational excellence in partner environments Leadership & Collaboration Collaborate closely with partners and internal teams (sales, presales, marketing, product, program management) Act as a key coordination point between partners, end customers, and Guardsix in the post-sales phase Support RSMs in identifying and executing expansion opportunities Influence both internal and external stakeholders to drive long-term partner success Experience & Background 5–12 years of experience in Customer Success, Account Management, or cybersecurity/SaaS environments Proven success in managing and growing existing accounts or partner portfolios Experience working with MSSPs or managed service environments is highly preferred Strong track record in driving retention, adoption, and expansion Experience managing complex, multi-stakeholder environments Fluent in English (written and spoken) Why you would love working at Guardsix: We’re on a growth journey, and we offer a challenging and exciting international work environment on the cutting edge of cybersecurity technology. We strive to deliver outstanding results in a positive, collaborative, and inclusive atmosphere with great opportunities for personal growth and development. At the heart of everything we do are our values: Collaboration, Passion, and Impact. These values are not just words but our way of living. By design, we push to create a culture that is dynamic, positive, and contagious. Where each person can show up as their true self, knowing they are valued, heard, and respected. Here at Guardsix, you won’t just be solving technical problems, but as a part of our diverse and passionate global team, you’ll be joining a company dedicated to shaping the future of cybersecurity solutions. Get to know Guardsix: Headquartered in Copenhagen, Denmark, with offices across Europe, the USA, and Asia, Guardsix is a multinational and multicultural cybersecurity company. Guardsix safeguards society in a digital world by helping customers and Managed Security Service Providers (MSSPs) detect cyberattacks. Combining reliable technology with a deep understanding of cybersecurity challenges, we make security operations easier, giving organizations the freedom to progress. We’re on a mission. We want to detect every cyberattack. It’s a bold mission. Some might even say it cannot be done. We’re aiming to prove otherwise. Guardsix’s SIEM and NDR technologies improve visibility and give a multi-layered approach to cybersecurity that helps customers and MSSPs navigate the complex threat landscape. Compensation TransparencyThe salary range displayed for this role reflects our benchmark for the total gross monthly compensation 9before taxes and other deduction) including any potential bonus or variable salary components, individual compensation will be determined based on factors as relevant experience, technical competency level , and seniority alignment with the position requirements. The salary range excludes any country specific benefits. Ready to apply? We are interviewing candidates on an ongoing basis, so click “Apply for This Job”, and we will get back to you directly. If you have any questions about this position, please send an email to the People and Culture Team at [email protected] SalesEmployment TypeFull-TimeMinimum ExperienceExperienced