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Senior Technical Support Engineer, EMEA

Horizon3 AI· Customer
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Hybrid (Amsterdam, Netherlands), Hybrid (UK), Hybrid (Ireland)Full-timePosted 1mo ago

About the role

Senior-level enterprise technical support engineer with 5+ years of hands-on experience, serving as a key technical resource for Horizon3’s enterprise customers in cloud, networking, and security. Hybrid, Amsterdam/UK/France/Ireland/Spain remote options.

Responsibilities

  • Provide advanced technical support to enterprise customers via phone, email, chat, and remote sessions, troubleshooting issues across cloud, networking, and infrastructure domains.
  • Diagnose and resolve customer-reported problems, performing root cause analysis to prevent recurrence and ensure high availability of services.
  • Collaborate with engineering, product, and sales teams to escalate and resolve intricate technical challenges, while documenting solutions for knowledge sharing.
  • Assist in the deployment and optimization of customer environments, offering guidance on best practices for infrastructure as code (IaC) and containerized applications.
  • Monitor and respond to support tickets in a timely manner, maintaining SLAs and contributing to continuous improvement of support processes.
  • Mentor junior team members and contribute to internal training resources, fostering a culture of knowledge transfer and technical excellence.
  • Stay abreast of emerging technologies and industry trends to enhance support capabilities and customer satisfaction.

Qualifications

  • Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field (or equivalent professional experience).
  • 5+ years of relevant industry experience in technical support, systems administration, or cloud operations, ideally in an enterprise-level environment.
  • Background in cybersecurity, including knowledge of threat detection, vulnerability management, encryption standards, and compliance frameworks (e.g., SOC 2, GDPR).
  • Strong proficiency in Linux administration, including server configuration, performance tuning, security hardening, and troubleshooting in production environments.
  • Hands-on experience with Docker and containerization technologies, such as building, deploying, and managing containerized applications in orchestrated environments (e.g., Kubernetes).
  • Solid understanding of cloud platforms (AWS, Azure, or GCP) and IaC tools like Terraform, Ansible, or CloudFormation.
  • In-depth knowledge of networking fundamentals, including TCP/IP, firewalls, VPNs, load balancers, and network troubleshooting tools (e.g., Wireshark, tcpdump).
  • Basic scripting skills in Bash, Python, or PowerShell.
  • Demonstrated self-learning ability, evidenced by personal projects, home labs, certifications, or open-source contributions.
  • Experience equivalent to a junior cloud administrator role in an enterprise setting.
  • Familiarity with identity management systems (RBAC, SSO protocols, directory services).
  • Basic understanding of database concepts (SQL vs NoSQL, schema design, querying).

Skills

Required:Linux administrationDocker / containerizationCloud platformsInfrastructure as CodeNetworking fundamentalsScripting

Benefits

  • Equity package in the form of stock options
  • Health, vision & dental insurance for you and your family
  • Flexible vacation policy
  • Generous parental leave
Last updated Sep 3, 2026. Interested? Apply on the company site.

About Horizon3 AI

Only Pentesting Platform Proven in Production

Continuously assess, fix, and verify your security posture. Securing enterprises across many attack surfaces.

PentestingSecurity PostureThreat DetectionVulnerabilitiesRisk AssessmentOffensive Security
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