Support Engineer - Security Focus at CloudLinux

Role overview

CloudLinux is seeking an experienced Support Engineer with a strong focus on security to join our remote-first team. You will provide technical support for Linux-based hosting products and security solutions, helping customers resolve security incidents, mitigate attacks, and maintain secure environments. This role combines hands-on troubleshooting, incident response, and knowledge base creation to improve product quality and customer satisfaction.

Key responsibilities

• Deliver world-class technical support to customers worldwide, with a focus on security issues.
• Use Linux skills to analyze and resolve diverse technical and security problems.
• Work closely with developers to troubleshoot, debug, and track issues and bugs.
• Engage directly with customers to ensure satisfaction and positive product experiences.
• Investigate and resolve security incidents, identify malicious code, and perform basic remediation.
• Apply WAF and DDoS mitigation strategies to protect customer environments.
• Create and maintain Knowledge Base articles and internal documentation based on findings.

Requirements

• Proven experience in a security-focused support role, preferably with web application security responsibilities.
• Familiarity with security utilities and diagnostics such as netstat, nmap, iptables.
• Experience with popular control panels and hosting security solutions, such as cPanel, DirectAdmin, Plesk.
• Knowledge of common CMS platforms, including WordPress and Joomla, and typical CMS-related threats and mitigations.
• Strong understanding of WAF concepts, DDoS mitigation techniques, and malware detection approaches.
• Excellent written and verbal communication skills, with the ability to explain technical details to non-technical users.
• Ability to work shift rotations, with priority coverage 3pm-11pm Kyiv time, and flexibility to switch to 7am-3pm, 12pm-8pm, or occasionally 11pm-7am. Weekend shifts will be part of a rotating schedule.
• Experience working with additional CloudLinux utilities and products is a plus.

What we offer

• Remote-first work environment with flexible working hours.
• Paid one month vacation per year, plus unlimited sick leave.
• Medical insurance reimbursement.
• Co-working and gym or sports reimbursement.
• Opportunity to be rewarded for the most innovative idea the company can patent.

How to apply and privacy

By applying for this position you agree to the CloudLinux Privacy Policy and give consent to the processing of your personal data. Please apply via the job application link provided.