Customer Success Engineer

Cylus; United States; Hybrid; Confidential; Full time

Job summary

Cylus, a cybersecurity startup, is seeking a Customer Success Engineer in North America to lead deployment, onboarding, and ongoing support of CylusOne in customer environments, including cloud, on-premises, and virtualization.

You will build strong customer relationships, monitor adoption, and support renewals. Collaborate with Product/R&D/Sales, deliver training and documentation, and drive adoption to maximize value for enterprise customers.

Qualifications

• Experience deploying and supporting enterprise IT/OT environments.
• Strong networking fundamentals (TCP/IP, routing, switching, firewalls).
• Experience with virtualization and containerization (VMware, Docker).
• Background in cybersecurity and Linux OS administration.
• Proven track record managing technical projects with enterprise customers.
• Excellent troubleshooting, communication, and presentation skills.
• Based in North America with travel availability.

Responsibilities

• Lead deployment, installation, and onboarding of CylusOne in customer environments.
• Provide ongoing support throughout the lifecycle, including upgrades and issue resolution.
• Strengthen customer relationships and monitor adoption; support renewals and expansions.
• Act as technical project manager: kickoffs, timelines, scope, milestones.
• Provide customer training and technical documentation.
• Collaborate with Product, R&D, and Sales to ensure smooth delivery.
• Build and maintain strong customer relationships as trusted advisor.
• Monitor adoption and ensure customers gain full value from CylusOne.
• Partner with Sales on upsells.
• Develop internal playbooks and best practices; streamline onboarding via automation, monitoring, reporting.
• Collaborate on case studies and reference architectures.

Skills

Networking fundamentals

Virtualization

Linux administration

Cybersecurity

Project management

Troubleshooting

Communication

Travel readiness

Tools

VMware

Docker

Job description

Cylus is a cybersecurity startup, led by world-class cyber experts. Our mission is to protect millions of people, worldwide, from cyber threats specific to modern trains, keeping them safe and on time.

About Us

Cylus, the global leader in rail cybersecurity, helps mainline and urban railway companies avoid security incidents and service disruptions caused by cyberattacks. With over $50M in funding by top VCs and strategic investors, global customers, and strong partnerships with the biggest railway integrators, and some of the largest railroads as customers, we make a significant impact on the multi-hundred-billion-dollar global railway industry.

We are looking for an exceptional Customer Success Engineer to join our team in North America. If you have the right attitude and skills, we invite you to hop on board our bullet train.

Your Mission

You will lead the deployment, installation, and onboarding of CylusOne in customer environments and provide ongoing support throughout the lifecycle. In addition, you will help strengthen customer relationships, monitor adoption, and support renewals and expansions.

In this role, you will:

• Own and perform the onboarding, deployment, and upgrades of CylusOne on customer environments (Cloud, standard HW/VMware, Linux, networking, OS).
• Execute installation and troubleshooting in complex enterprise/OT environments.
• Act as technical project manager, leading kickoffs, timelines, scope, and delivery milestones.
• Provide maintenance and support, including upgrades and issue resolution.
• Deliver customer training and technical documentation.
• Collaborate with Product, R&D, and Sales teams to ensure smooth delivery and customer success.

• Build and maintain strong customer relationships as a trusted advisor.
• Monitor adoption and ensure customers gain full value from CylusOne.

• Partner with Sales on upsells.
• Develop and refine internal playbooks and best practices to speed up deployments and troubleshooting.
• Streamline onboarding and support by leveraging automation, monitoring, and reporting tools.

Collaborate with Marketing and Sales Engineering on case studies, success stories, and reference architectures.

• Strong practical expertise in networking fundamentals and infrastructure (e.g TCP/IP, routing, switching, firewalls, NIC configuration)
• Strong practical expertise in virtualization and containerization technologies (e.g., VMware, Docker).
• Strong background in cybersecurity.
• Strong background in Linux OS administration and troubleshooting.
• Proven track record in managing technical projects with enterprise customers.
• Excellent troubleshooting and problem-solving skills.
• Exceptional communication and presentation abilities.
• Based in North America (preference for East Coast time zone), with the ability to travel domestically and internationally for customer engagements, conventions, and industry conferences.

Big Plus:

• Experience with OT Security products
• Experience with on-premises products
• Experience with Rail technologies

Why Join Us

• Play a key role in protecting the world’s railways with cutting-edge cybersecurity.
• Balance deep technical delivery with strategic customer engagement.
• Join a fast-growing, mission-driven team with global impact.
• Competitive compensation and benefits.