System Administrator

Location: Dar es Salaam, Tanzania
Company: Flashnet Technologies Ltd
Experience Required: 3–4 Years
Certifications Preferred: Sophos, Fortigate, Acronis, VMware, Office 365
Availability: Immediate joiners will be given preference

About Flashnet

Flashnet Technologies Ltd is a leading Managed IT Service Provider in Tanzania offering Business Internet, Cybersecurity, Cloud & Data Centre, IT Infrastructure, and Collaboration Solutions.

Job Summary

We are looking for a highly skilled System Administrator with 3–4 years of experience to manage and maintain our IT infrastructure, ensure system performance and security, and support both internal and client-facing IT operations. The ideal candidate should be certified in key enterprise technologies and possess hands-on experience with firewalls, virtualization, backups, Office 365, Active Directory, and more. Candidates who can join immediately will be given preference.

Key Responsibilities

• Manage, monitor, and troubleshoot physical and virtual servers, networks, firewalls, and endpoint devices.
• Administer and configure Sophos XGS, Fortigate, and other firewall systems.
• Manage Active Directory, user authentication, GPOs, DNS, and domain services.
• Administer Office 365 services including Exchange Online, SharePoint, Teams, and OneDrive.
• Maintain VMware environments (ESXi, vCenter) and perform server provisioning.
• Perform system backups and disaster recovery using Acronis or similar solutions.
• Implement and enforce IT security and cybersecurity best practices.
• Provide Level 1 & 2 technical support and troubleshoot hardware, software, and network issues.
• Maintain IT asset inventory, software licensing, and infrastructure documentation.
• Support patch management, updates, and routine system audits.
• Ensure system performance and uptime by monitoring critical services and generating reports.

Required Skills & Qualifications

• Bachelor’s degree in IT, Computer Science, or a related field.
• 3–4 years of experience as a System Administrator or similar role.
• Strong knowledge of:
  • Firewalls (Sophos, Fortigate)
  • Active Directory & Group Policy Management
  • Office 365 administration
  • VMware virtualization
  • Backup and DR solutions (Acronis preferred)
• Familiarity with DNS, DHCP, TCP/IP, VPN, and LAN/WAN management.
• Excellent troubleshooting, documentation, and communication skills.
• Ability to manage multiple tasks and priorities with minimal supervision.

Certifications (Preferred)

• Sophos Certified Engineer / Architect
• Fortinet NSE 4 or above
• VMware VCP
• Microsoft 365 Certified: Modern Desktop Administrator Associate
• Acronis Cyber Protect Certification

What We Offer

• Competitive salary based on experience and certifications
• Exposure to enterprise-grade technologies and projects
• Support for certification and career growth

To Apply:
Send your updated CV and certifications to careers@flashnet.co.tz
Immediate joiners preferred