Technical Solutions Engineer (Linux)

Radical Technologies is hiring for the role of Technical Solutions Engineer (Linux)!

Responsibilities of the Candidate:

• Respond to customer inquiries by telephone, e-mail, and the case management portal, meeting
• defined SLAs and escalation standards.
• Diagnose and resolve Zimbra issues across installation, upgrade, migration, configuration, mail flow,
• authentication, performance, and storage.
• Reproduce customer issues in lab environments, analyze logs and packet traces, and isolate root
• cause across the server, network, and DNS layers.
• Support secure deployments: TLS certificates, SPF/DKIM/DMARC, anti-spam and anti-malware, and
• single sign-on or directory integrations.
• Raise, track, and validate bugs and feature requests with Engineering, providing clear reproduction
• steps and supporting evidence.
• Document every technical inquiry, and author and review knowledge base articles that enable
• customer self-service.
• Participate in alpha and beta testing of internal products and releases, and give structured feedback.
• Identify recurring issues and propose automation, diagnostic scripts, or documentation
• improvements to reduce case volume.
• Collaborate with peers, Engineering, Customer Success, and Account teams through e-mail, chat,
• telephone, and in person.
• Work flexible schedules covering morning, evening, and weekend shifts to support US and EMEA
• customers, including holidays.
• Take part in the 24x7 on-call rotation during scheduled periods.

Requirements:

• Advantageous Skills and Experience
• Hands-on experience installing, configuring, upgrading, and troubleshooting Zimbra servers,
• including multi-server deployments and migrations.
• Familiarity with the components behind Zimbra: Postfix, OpenLDAP, MariaDB/MySQL, Jetty, Nginx
• proxy, and search indices.
• Email security and deliverability: SPF, DKIM, DMARC, TLS, spam and malware filtering, and blacklist
• remediation.
• Identity and access: Active Directory or OpenLDAP integration, SAML/OAuth SSO, and two-factor
• authentication.
• Customer service experience, plus experience with customer management, case tracking, and bug
• tracking systems (for example Salesforce and Jira).
• Scripting or programming in Python, Perl, Java, or Bash for automation and diagnostics